mercurial/util.py
author Martin Geisler <mg@lazybytes.net>
Tue, 29 Sep 2009 01:08:18 +0200
changeset 9495 b2d65ee49a72
parent 9480 44758742ad2e
child 9508 e2fd9b62349b
child 9524 effa05849027
child 9529 e61e7b3e46d0
child 9567 02c43e8e0835
permissions -rw-r--r--
ui: guard against UnicodeDecodeErrors in ui.wrap
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# util.py - Mercurial utility functions and platform specfic implementations
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#
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#  Copyright 2005 K. Thananchayan <thananck@yahoo.com>
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#  Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#  Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2, incorporated herein by reference.
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"""Mercurial utility functions and platform specfic implementations.
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This contains helper routines that are independent of the SCM core and
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hide platform-specific details from the core.
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"""
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from i18n import _
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import error, osutil, encoding
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import cStringIO, errno, re, shutil, sys, tempfile, traceback
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import os, stat, time, calendar, random, textwrap
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import imp
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# Python compatibility
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def sha1(s):
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    return _fastsha1(s)
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def _fastsha1(s):
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    # This function will import sha1 from hashlib or sha (whichever is
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    # available) and overwrite itself with it on the first call.
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    # Subsequent calls will go directly to the imported function.
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    try:
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        from hashlib import sha1 as _sha1
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    except ImportError:
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        from sha import sha as _sha1
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    global _fastsha1, sha1
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    _fastsha1 = sha1 = _sha1
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    return _sha1(s)
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import subprocess
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closefds = os.name == 'posix'
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def popen2(cmd):
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    # Setting bufsize to -1 lets the system decide the buffer size.
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    # The default for bufsize is 0, meaning unbuffered. This leads to
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    # poor performance on Mac OS X: http://bugs.python.org/issue4194
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    p = subprocess.Popen(cmd, shell=True, bufsize=-1,
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                         close_fds=closefds,
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                         stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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    return p.stdin, p.stdout
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def popen3(cmd):
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    p = subprocess.Popen(cmd, shell=True, bufsize=-1,
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                         close_fds=closefds,
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                         stdin=subprocess.PIPE, stdout=subprocess.PIPE,
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                         stderr=subprocess.PIPE)
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    return p.stdin, p.stdout, p.stderr
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def version():
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    """Return version information if available."""
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    try:
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        import __version__
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        return __version__.version
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    except ImportError:
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        return 'unknown'
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# used by parsedate
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defaultdateformats = (
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    '%Y-%m-%d %H:%M:%S',
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    '%Y-%m-%d %I:%M:%S%p',
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    '%Y-%m-%d %H:%M',
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    '%Y-%m-%d %I:%M%p',
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    '%Y-%m-%d',
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    '%m-%d',
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    '%m/%d',
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    '%m/%d/%y',
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    '%m/%d/%Y',
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    '%a %b %d %H:%M:%S %Y',
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    '%a %b %d %I:%M:%S%p %Y',
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    '%a, %d %b %Y %H:%M:%S',        #  GNU coreutils "/bin/date --rfc-2822"
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    '%b %d %H:%M:%S %Y',
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    '%b %d %I:%M:%S%p %Y',
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    '%b %d %H:%M:%S',
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    '%b %d %I:%M:%S%p',
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    '%b %d %H:%M',
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    '%b %d %I:%M%p',
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    '%b %d %Y',
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    '%b %d',
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    '%H:%M:%S',
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    '%I:%M:%S%p',
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    '%H:%M',
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    '%I:%M%p',
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)
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extendeddateformats = defaultdateformats + (
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    "%Y",
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    "%Y-%m",
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    "%b",
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    "%b %Y",
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    )
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def cachefunc(func):
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    '''cache the result of function calls'''
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    # XXX doesn't handle keywords args
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    cache = {}
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    if func.func_code.co_argcount == 1:
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        # we gain a small amount of time because
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        # we don't need to pack/unpack the list
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        def f(arg):
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            if arg not in cache:
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                cache[arg] = func(arg)
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            return cache[arg]
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    else:
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        def f(*args):
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            if args not in cache:
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                cache[args] = func(*args)
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            return cache[args]
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    return f
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def lrucachefunc(func):
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    '''cache most recent results of function calls'''
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    cache = {}
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    order = []
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    if func.func_code.co_argcount == 1:
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        def f(arg):
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            if arg not in cache:
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                if len(cache) > 20:
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                    del cache[order.pop(0)]
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                cache[arg] = func(arg)
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            else:
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                order.remove(arg)
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            order.append(arg)
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            return cache[arg]
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    else:
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        def f(*args):
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            if args not in cache:
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                if len(cache) > 20:
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                    del cache[order.pop(0)]
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                cache[args] = func(*args)
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   138
            else:
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                order.remove(args)
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            order.append(args)
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            return cache[args]
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    return f
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   144
8207
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class propertycache(object):
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    def __init__(self, func):
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        self.func = func
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        self.name = func.__name__
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    def __get__(self, obj, type=None):
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        result = self.func(obj)
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        setattr(obj, self.name, result)
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        return result
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def pipefilter(s, cmd):
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    '''filter string S through command CMD, returning its output'''
8302
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    p = subprocess.Popen(cmd, shell=True, close_fds=closefds,
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                         stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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    pout, perr = p.communicate(s)
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    return pout
419
28511fc21073 [PATCH] file seperator handling for the other 'OS'
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parents:
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def tempfilter(s, cmd):
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    '''filter string S through a pair of temporary files with CMD.
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    CMD is used as a template to create the real command to be run,
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    with the strings INFILE and OUTFILE replaced by the real names of
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    the temporary files generated.'''
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    inname, outname = None, None
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    try:
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parents: 2153
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        infd, inname = tempfile.mkstemp(prefix='hg-filter-in-')
1293
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        fp = os.fdopen(infd, 'wb')
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        fp.write(s)
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        fp.close()
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        outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-')
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        os.close(outfd)
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        cmd = cmd.replace('INFILE', inname)
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        cmd = cmd.replace('OUTFILE', outname)
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   176
        code = os.system(cmd)
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
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   177
        if sys.platform == 'OpenVMS' and code & 1:
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parents: 4708
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   178
            code = 0
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
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   179
        if code: raise Abort(_("command '%s' failed: %s") %
1293
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                             (cmd, explain_exit(code)))
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        return open(outname, 'rb').read()
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   182
    finally:
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   183
        try:
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   184
            if inname: os.unlink(inname)
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   185
        except: pass
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   186
        try:
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   187
            if outname: os.unlink(outname)
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   188
        except: pass
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   189
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   190
filtertable = {
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    'tempfile:': tempfilter,
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   192
    'pipe:': pipefilter,
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   193
    }
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   194
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   195
def filter(s, cmd):
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   196
    "filter a string through a command that transforms its input to its output"
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   197
    for name, fn in filtertable.iteritems():
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   198
        if cmd.startswith(name):
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   199
            return fn(s, cmd[len(name):].lstrip())
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    return pipefilter(s, cmd)
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   201
1015
22571b8d35d3 Add automatic binary file detection to diff and export
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   202
def binary(s):
6507
9699864de219 Let util.binary check entire data for \0 (issue1066, issue1079)
Christian Ebert <blacktrash@gmx.net>
parents: 6501
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   203
    """return true if a string is binary data"""
8118
35f7fda52c92 util: return boolean result directly in util.binary
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parents: 8011
diff changeset
   204
    return bool(s and '\0' in s)
6762
f67d1468ac50 util: add sort helper
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parents: 6746
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   205
7396
526c40a74bd0 templater: return data in increasing chunk sizes
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   206
def increasingchunks(source, min=1024, max=65536):
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diff changeset
   207
    '''return no less than min bytes per chunk while data remains,
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   208
    doubling min after each chunk until it reaches max'''
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   209
    def log2(x):
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   210
        if not x:
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   211
            return 0
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diff changeset
   212
        i = 0
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diff changeset
   213
        while x:
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   214
            x >>= 1
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diff changeset
   215
            i += 1
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diff changeset
   216
        return i - 1
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diff changeset
   217
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diff changeset
   218
    buf = []
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diff changeset
   219
    blen = 0
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diff changeset
   220
    for chunk in source:
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diff changeset
   221
        buf.append(chunk)
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   222
        blen += len(chunk)
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diff changeset
   223
        if blen >= min:
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Brendan Cully <brendan@kublai.com>
parents: 7301
diff changeset
   224
            if min < max:
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diff changeset
   225
                min = min << 1
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diff changeset
   226
                nmin = 1 << log2(blen)
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diff changeset
   227
                if nmin > min:
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diff changeset
   228
                    min = nmin
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diff changeset
   229
                if min > max:
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diff changeset
   230
                    min = max
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diff changeset
   231
            yield ''.join(buf)
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diff changeset
   232
            blen = 0
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diff changeset
   233
            buf = []
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parents: 7301
diff changeset
   234
    if buf:
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diff changeset
   235
        yield ''.join(buf)
526c40a74bd0 templater: return data in increasing chunk sizes
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parents: 7301
diff changeset
   236
7947
a454eeb1b827 move util.Abort to error.py
Matt Mackall <mpm@selenic.com>
parents: 7913
diff changeset
   237
Abort = error.Abort
508
42a660abaf75 [PATCH] Harden os.system
mpm@selenic.com
parents: 464
diff changeset
   238
724
1c0c413cccdd Get add and locate to use new repo and dirstate walk code.
Bryan O'Sullivan <bos@serpentine.com>
parents: 705
diff changeset
   239
def always(fn): return True
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parents: 705
diff changeset
   240
def never(fn): return False
1c0c413cccdd Get add and locate to use new repo and dirstate walk code.
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parents: 705
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   241
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   242
def pathto(root, n1, n2):
886
509de8ab6f31 Fix walk path handling on Windows
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parents: 884
diff changeset
   243
    '''return the relative path from one place to another.
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   244
    root should use os.sep to separate directories
3669
48768b1ab23c fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3629
diff changeset
   245
    n1 should use os.sep to separate directories
48768b1ab23c fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3629
diff changeset
   246
    n2 should use "/" to separate directories
48768b1ab23c fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3629
diff changeset
   247
    returns an os.sep-separated path.
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   248
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   249
    If n1 is a relative path, it's assumed it's
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   250
    relative to root.
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   251
    n2 should always be relative to root.
3669
48768b1ab23c fix util.pathto
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parents: 3629
diff changeset
   252
    '''
886
509de8ab6f31 Fix walk path handling on Windows
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parents: 884
diff changeset
   253
    if not n1: return localpath(n2)
4230
c93562fb12cc Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4229
diff changeset
   254
    if os.path.isabs(n1):
c93562fb12cc Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4229
diff changeset
   255
        if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]:
c93562fb12cc Fix handling of paths when run outside the repo.
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parents: 4229
diff changeset
   256
            return os.path.join(root, localpath(n2))
c93562fb12cc Fix handling of paths when run outside the repo.
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parents: 4229
diff changeset
   257
        n2 = '/'.join((pconvert(root), n2))
5844
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   258
    a, b = splitpath(n1), n2.split('/')
1541
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   259
    a.reverse()
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   260
    b.reverse()
884
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   261
    while a and b and a[-1] == b[-1]:
1541
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   262
        a.pop()
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   263
        b.pop()
884
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   264
    b.reverse()
6111
213ea6eed412 util.pathto: return '.' instead of an empty string
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6091
diff changeset
   265
    return os.sep.join((['..'] * len(a)) + b) or '.'
884
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   266
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   267
def canonpath(root, cwd, myname):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   268
    """return the canonical path of myname, given cwd and root"""
1566
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   269
    if root == os.sep:
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   270
        rootsep = os.sep
5843
83c354c4d529 Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5802
diff changeset
   271
    elif endswithsep(root):
2271
90b122730d32 Make it possible to use the root directory as the root of a repository.
Manpreet Singh <junkblocker@yahoo.com>
parents: 2263
diff changeset
   272
        rootsep = root
1566
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   273
    else:
1810
7596611ab3d5 Whitespace, tab and formatting cleanups, mainly in mq.py
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1635
diff changeset
   274
        rootsep = root + os.sep
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   275
    name = myname
2090
eb40db373717 fix util.canonpath on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2085
diff changeset
   276
    if not os.path.isabs(name):
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   277
        name = os.path.join(root, cwd, name)
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   278
    name = os.path.normpath(name)
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   279
    audit_path = path_auditor(root)
2278
3711e23ab10a Make hg status work for repositories in root directory on windows (issue 228)
Manpreet Singh <junkblocker@yahoo.com>
parents: 2271
diff changeset
   280
    if name != rootsep and name.startswith(rootsep):
1976
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   281
        name = name[len(rootsep):]
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   282
        audit_path(name)
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   283
        return pconvert(name)
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   284
    elif name == root:
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   285
        return ''
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   286
    else:
2115
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   287
        # Determine whether `name' is in the hierarchy at or beneath `root',
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   288
        # by iterating name=dirname(name) until that causes no change (can't
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   289
        # check name == '/', because that doesn't work on windows).  For each
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   290
        # `name', compare dev/inode numbers.  If they match, the list `rel'
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   291
        # holds the reversed list of components making up the relative file
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   292
        # name we want.
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   293
        root_st = os.stat(root)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   294
        rel = []
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   295
        while True:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   296
            try:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   297
                name_st = os.stat(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   298
            except OSError:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   299
                break
2193
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
   300
            if samestat(name_st, root_st):
4086
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   301
                if not rel:
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   302
                    # name was actually the same as root (maybe a symlink)
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   303
                    return ''
2115
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   304
                rel.reverse()
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   305
                name = os.path.join(*rel)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   306
                audit_path(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   307
                return pconvert(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   308
            dirname, basename = os.path.split(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   309
            rel.append(basename)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   310
            if dirname == name:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   311
                break
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   312
            name = dirname
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   313
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   314
        raise Abort('%s not under root' % myname)
897
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   315
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   316
_hgexecutable = None
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   317
6499
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   318
def main_is_frozen():
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   319
    """return True if we are a frozen executable.
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   320
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   321
    The code supports py2exe (most common, Windows only) and tools/freeze
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   322
    (portable, not much used).
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   323
    """
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   324
    return (hasattr(sys, "frozen") or # new py2exe
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   325
            hasattr(sys, "importers") or # old py2exe
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   326
            imp.is_frozen("__main__")) # tools/freeze
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   327
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   328
def hgexecutable():
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   329
    """return location of the 'hg' executable.
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   330
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   331
    Defaults to $HG or 'hg' in the search path.
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   332
    """
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   333
    if _hgexecutable is None:
6500
a3175cd7dbec Tidy code, fix typo
Bryan O'Sullivan <bos@serpentine.com>
parents: 6499
diff changeset
   334
        hg = os.environ.get('HG')
a3175cd7dbec Tidy code, fix typo
Bryan O'Sullivan <bos@serpentine.com>
parents: 6499
diff changeset
   335
        if hg:
a3175cd7dbec Tidy code, fix typo
Bryan O'Sullivan <bos@serpentine.com>
parents: 6499
diff changeset
   336
            set_hgexecutable(hg)
6499
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   337
        elif main_is_frozen():
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   338
            set_hgexecutable(sys.executable)
479847ccabe0 Added hgexecutable support for py2exe/frozen scripts
"Paul Moore <p.f.moore@gmail.com>"
parents: 5659
diff changeset
   339
        else:
7732
3793802ea41b Make util.find_exe alway returns existing file, fixing issue1459
Mads Kiilerich <mads@kiilerich.com>
parents: 7696
diff changeset
   340
            set_hgexecutable(find_exe('hg') or 'hg')
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   341
    return _hgexecutable
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   342
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   343
def set_hgexecutable(path):
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   344
    """set location of the 'hg' executable"""
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   345
    global _hgexecutable
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   346
    _hgexecutable = path
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   347
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   348
def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None):
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   349
    '''enhanced shell command execution.
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   350
    run with environment maybe modified, maybe in different dir.
508
42a660abaf75 [PATCH] Harden os.system
mpm@selenic.com
parents: 464
diff changeset
   351
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   352
    if command fails and onerr is None, return status.  if ui object,
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   353
    print error message and return status, else raise onerr object as
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   354
    exception.'''
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   355
    def py2shell(val):
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   356
        'convert python object into string that is useful to shell'
8534
22ec9cf4d0ce util: use "is" for True/False/None comparisons
Martin Geisler <mg@lazybytes.net>
parents: 8516
diff changeset
   357
        if val is None or val is False:
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   358
            return '0'
8534
22ec9cf4d0ce util: use "is" for True/False/None comparisons
Martin Geisler <mg@lazybytes.net>
parents: 8516
diff changeset
   359
        if val is True:
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   360
            return '1'
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   361
        return str(val)
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   362
    oldenv = {}
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   363
    for k in environ:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   364
        oldenv[k] = os.environ.get(k)
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   365
    if cwd is not None:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   366
        oldcwd = os.getcwd()
3905
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   367
    origcmd = cmd
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   368
    if os.name == 'nt':
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   369
        cmd = '"%s"' % cmd
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   370
    try:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   371
        for k, v in environ.iteritems():
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   372
            os.environ[k] = py2shell(v)
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   373
        os.environ['HG'] = hgexecutable()
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   374
        if cwd is not None and oldcwd != cwd:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   375
            os.chdir(cwd)
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   376
        rc = os.system(cmd)
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
   377
        if sys.platform == 'OpenVMS' and rc & 1:
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
   378
            rc = 0
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   379
        if rc and onerr:
3905
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   380
            errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]),
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   381
                                explain_exit(rc)[0])
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   382
            if errprefix:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   383
                errmsg = '%s: %s' % (errprefix, errmsg)
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   384
            try:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   385
                onerr.warn(errmsg + '\n')
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   386
            except AttributeError:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   387
                raise onerr(errmsg)
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   388
        return rc
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   389
    finally:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   390
        for k, v in oldenv.iteritems():
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   391
            if v is None:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   392
                del os.environ[k]
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   393
            else:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   394
                os.environ[k] = v
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   395
        if cwd is not None and oldcwd != cwd:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   396
            os.chdir(oldcwd)
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   397
7388
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   398
def checksignature(func):
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   399
    '''wrap a function with code to check for calling errors'''
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   400
    def check(*args, **kwargs):
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   401
        try:
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   402
            return func(*args, **kwargs)
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   403
        except TypeError:
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   404
            if len(traceback.extract_tb(sys.exc_info()[2])) == 1:
7646
e62a456b8dc5 error: move SignatureError
Matt Mackall <mpm@selenic.com>
parents: 7644
diff changeset
   405
                raise error.SignatureError
7388
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   406
            raise
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   407
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   408
    return check
5751631246de dispatch: generalize signature checking for extension command wrapping
Matt Mackall <mpm@selenic.com>
parents: 7301
diff changeset
   409
4281
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   410
# os.path.lexists is not available on python2.3
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   411
def lexists(filename):
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   412
    "test whether a file with this name exists. does not follow symlinks"
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   413
    try:
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   414
        os.lstat(filename)
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   415
    except:
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   416
        return False
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   417
    return True
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   418
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   419
def rename(src, dst):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   420
    """forcibly rename a file"""
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   421
    try:
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   422
        os.rename(src, dst)
4956
02b127749dc0 fix unused variables reported by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 4948
diff changeset
   423
    except OSError, err: # FIXME: check err (EEXIST ?)
8255
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   424
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   425
        # On windows, rename to existing file is not allowed, so we
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   426
        # must delete destination first. But if a file is open, unlink
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   427
        # schedules it for delete but does not delete it. Rename
7780
9892c4d94fb7 rename: simplify forced renaming
Matt Mackall <mpm@selenic.com>
parents: 7767
diff changeset
   428
        # happens immediately even for open files, so we rename
8255
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   429
        # destination to a temporary name, then delete that. Then
7780
9892c4d94fb7 rename: simplify forced renaming
Matt Mackall <mpm@selenic.com>
parents: 7767
diff changeset
   430
        # rename is safe to do.
8255
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   431
        # The temporary name is chosen at random to avoid the situation
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   432
        # where a file is left lying around from a previous aborted run.
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   433
        # The usual race condition this introduces can't be avoided as
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   434
        # we need the name to rename into, and not the file itself. Due
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   435
        # to the nature of the operation however, any races will at worst
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   436
        # lead to the rename failing and the current operation aborting.
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   437
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   438
        def tempname(prefix):
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   439
            for tries in xrange(10):
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   440
                temp = '%s-%08x' % (prefix, random.randint(0, 0xffffffff))
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   441
                if not os.path.exists(temp):
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   442
                    return temp
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   443
            raise IOError, (errno.EEXIST, "No usable temporary filename found")
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   444
ea82a23cf887 util.rename: use temporary file name for rename-targets on windows
Sune Foldager <cryo@cyanite.org>
parents: 7869
diff changeset
   445
        temp = tempname(dst)
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   446
        os.rename(dst, temp)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   447
        os.unlink(temp)
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   448
        os.rename(src, dst)
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   449
1415
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   450
def unlink(f):
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   451
    """unlink and remove the directory if it is empty"""
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   452
    os.unlink(f)
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   453
    # try removing directories that might now be empty
2064
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   454
    try:
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   455
        os.removedirs(os.path.dirname(f))
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   456
    except OSError:
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   457
        pass
1415
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   458
3629
4cfb72bcb978 util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents: 3568
diff changeset
   459
def copyfile(src, dest):
7767
b2410ed2cbe9 Use shutil.copystat in copyfile().
Will Maier <willmaier@ml1.net>
parents: 7732
diff changeset
   460
    "copy a file, preserving mode and atime/mtime"
4271
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   461
    if os.path.islink(src):
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   462
        try:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   463
            os.unlink(dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   464
        except:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   465
            pass
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   466
        os.symlink(os.readlink(src), dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   467
    else:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   468
        try:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   469
            shutil.copyfile(src, dest)
7767
b2410ed2cbe9 Use shutil.copystat in copyfile().
Will Maier <willmaier@ml1.net>
parents: 7732
diff changeset
   470
            shutil.copystat(src, dest)
4271
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   471
        except shutil.Error, inst:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   472
            raise Abort(str(inst))
3629
4cfb72bcb978 util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents: 3568
diff changeset
   473
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   474
def copyfiles(src, dst, hardlink=None):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   475
    """Copy a directory tree using hardlinks if possible"""
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   476
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   477
    if hardlink is None:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   478
        hardlink = (os.stat(src).st_dev ==
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   479
                    os.stat(os.path.dirname(dst)).st_dev)
698
df78d8ccac4c Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 667
diff changeset
   480
1207
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   481
    if os.path.isdir(src):
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   482
        os.mkdir(dst)
5396
5105b119edd2 Add osutil module, containing a listdir function.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5360
diff changeset
   483
        for name, kind in osutil.listdir(src):
1207
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   484
            srcname = os.path.join(src, name)
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   485
            dstname = os.path.join(dst, name)
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   486
            copyfiles(srcname, dstname, hardlink)
1207
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   487
    else:
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   488
        if hardlink:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   489
            try:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   490
                os_link(src, dst)
2050
e49d0fa38176 util.copyfiles: only switch to copy if hardlink raises IOError or OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2026
diff changeset
   491
            except (IOError, OSError):
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   492
                hardlink = False
1591
5a3229cf1492 do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
   493
                shutil.copy(src, dst)
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   494
        else:
1591
5a3229cf1492 do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
   495
            shutil.copy(src, dst)
698
df78d8ccac4c Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 667
diff changeset
   496
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   497
class path_auditor(object):
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   498
    '''ensure that a filesystem path contains no banned components.
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   499
    the following properties of a path are checked:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   500
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   501
    - under top-level .hg
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   502
    - starts at the root of a windows drive
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   503
    - contains ".."
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   504
    - traverses a symlink (e.g. a/symlink_here/b)
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   505
    - inside a nested repository'''
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   506
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   507
    def __init__(self, root):
5200
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   508
        self.audited = set()
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   509
        self.auditeddir = set()
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   510
        self.root = root
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   511
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   512
    def __call__(self, path):
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   513
        if path in self.audited:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   514
            return
5159
d84329a11fdd Make a few portability improvements to path auditing code.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5158
diff changeset
   515
        normpath = os.path.normcase(path)
5844
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   516
        parts = splitpath(normpath)
7784
8a217626bb0c audit: check for casefolding of .hg (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7780
diff changeset
   517
        if (os.path.splitdrive(path)[0]
8a217626bb0c audit: check for casefolding of .hg (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7780
diff changeset
   518
            or parts[0].lower() in ('.hg', '.hg.', '')
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   519
            or os.pardir in parts):
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   520
            raise Abort(_("path contains illegal component: %s") % path)
7784
8a217626bb0c audit: check for casefolding of .hg (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7780
diff changeset
   521
        if '.hg' in path.lower():
8a217626bb0c audit: check for casefolding of .hg (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7780
diff changeset
   522
            lparts = [p.lower() for p in parts]
7553
71be8688f2db audit: reject paths with .hg (issue 1450)
Matt Mackall <mpm@selenic.com>
parents: 7525
diff changeset
   523
            for p in '.hg', '.hg.':
7820
346fafc144fc audit: be even pickier (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7784
diff changeset
   524
                if p in lparts[1:]:
7784
8a217626bb0c audit: check for casefolding of .hg (issue1450)
Matt Mackall <mpm@selenic.com>
parents: 7780
diff changeset
   525
                    pos = lparts.index(p)
7553
71be8688f2db audit: reject paths with .hg (issue 1450)
Matt Mackall <mpm@selenic.com>
parents: 7525
diff changeset
   526
                    base = os.path.join(*parts[:pos])
71be8688f2db audit: reject paths with .hg (issue 1450)
Matt Mackall <mpm@selenic.com>
parents: 7525
diff changeset
   527
                    raise Abort(_('path %r is inside repo %r') % (path, base))
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   528
        def check(prefix):
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   529
            curpath = os.path.join(self.root, prefix)
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   530
            try:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   531
                st = os.lstat(curpath)
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   532
            except OSError, err:
5162
9374373fb727 util: ignore invalid path errors in path_auditor.
Patrick Mezard <pmezard@gmail.com>
parents: 5159
diff changeset
   533
                # EINVAL can be raised as invalid path syntax under win32.
9374373fb727 util: ignore invalid path errors in path_auditor.
Patrick Mezard <pmezard@gmail.com>
parents: 5159
diff changeset
   534
                # They must be ignored for patterns can be checked too.
5487
7a64931e2d76 Fix file-changed-to-dir and dir-to-file commits (issue660).
Maxim Dounin <mdounin@mdounin.ru>
parents: 5481
diff changeset
   535
                if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   536
                    raise
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   537
            else:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   538
                if stat.S_ISLNK(st.st_mode):
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   539
                    raise Abort(_('path %r traverses symbolic link %r') %
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   540
                                (path, prefix))
5159
d84329a11fdd Make a few portability improvements to path auditing code.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5158
diff changeset
   541
                elif (stat.S_ISDIR(st.st_mode) and
d84329a11fdd Make a few portability improvements to path auditing code.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5158
diff changeset
   542
                      os.path.isdir(os.path.join(curpath, '.hg'))):
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   543
                    raise Abort(_('path %r is inside repo %r') %
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   544
                                (path, prefix))
5845
5924a11aa419 Fix not to use os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5844
diff changeset
   545
        parts.pop()
5200
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   546
        prefixes = []
8631
a87c41f65aff util: simplify range expression
Martin Geisler <mg@lazybytes.net>
parents: 8614
diff changeset
   547
        while parts:
5845
5924a11aa419 Fix not to use os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5844
diff changeset
   548
            prefix = os.sep.join(parts)
5200
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   549
            if prefix in self.auditeddir:
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   550
                break
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   551
            check(prefix)
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   552
            prefixes.append(prefix)
5845
5924a11aa419 Fix not to use os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5844
diff changeset
   553
            parts.pop()
5200
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   554
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   555
        self.audited.add(path)
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   556
        # only add prefixes to the cache after checking everything: we don't
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   557
        # want to add "foo/bar/baz" before checking if there's a "foo/.hg"
c7e8fe11f34a path_auditor: cache names of audited directories
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5162
diff changeset
   558
        self.auditeddir.update(prefixes)
1835
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   559
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   560
def nlinks(pathname):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   561
    """Return number of hardlinks for the given file."""
2448
b77a2ef61b81 replace os.stat with os.lstat in some where.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2314
diff changeset
   562
    return os.lstat(pathname).st_nlink
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   563
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   564
if hasattr(os, 'link'):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   565
    os_link = os.link
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   566
else:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   567
    def os_link(src, dst):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
   568
        raise OSError(0, _("Hardlinks not supported"))
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   569
8011
25b63941b17b util: don't overwrite os-specific functions with general ones
Sune Foldager <cryo@cyanite.org>
parents: 7953
diff changeset
   570
def lookup_reg(key, name=None, scope=None):
25b63941b17b util: don't overwrite os-specific functions with general ones
Sune Foldager <cryo@cyanite.org>
parents: 7953
diff changeset
   571
    return None
25b63941b17b util: don't overwrite os-specific functions with general ones
Sune Foldager <cryo@cyanite.org>
parents: 7953
diff changeset
   572
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   573
if os.name == 'nt':
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   574
    from windows import *
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   575
else:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   576
    from posix import *
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   577
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   578
def makelock(info, pathname):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   579
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   580
        return os.symlink(info, pathname)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   581
    except OSError, why:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   582
        if why.errno == errno.EEXIST:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   583
            raise
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   584
    except AttributeError: # no symlink in os
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   585
        pass
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   586
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   587
    ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   588
    os.write(ld, info)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   589
    os.close(ld)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   590
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   591
def readlock(pathname):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   592
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   593
        return os.readlink(pathname)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   594
    except OSError, why:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   595
        if why.errno not in (errno.EINVAL, errno.ENOSYS):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   596
            raise
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   597
    except AttributeError: # no symlink in os
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   598
        pass
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   599
    return posixfile(pathname).read()
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   600
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   601
def fstat(fp):
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   602
    '''stat file object that may not have fileno method.'''
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   603
    try:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   604
        return os.fstat(fp.fileno())
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   605
    except AttributeError:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   606
        return os.stat(fp.name)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   607
3784
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   608
# File system features
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   609
6746
1dca460e7d1e rename checkfolding to checkcase
Matt Mackall <mpm@selenic.com>
parents: 6743
diff changeset
   610
def checkcase(path):
3784
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   611
    """
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   612
    Check whether the given path is on a case-sensitive filesystem
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   613
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   614
    Requires a path (like /foo/.hg) ending with a foldable final
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   615
    directory component.
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   616
    """
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   617
    s1 = os.stat(path)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   618
    d, b = os.path.split(path)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   619
    p2 = os.path.join(d, b.upper())
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   620
    if path == p2:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   621
        p2 = os.path.join(d, b.lower())
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   622
    try:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   623
        s2 = os.stat(p2)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   624
        if s2 == s1:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   625
            return False
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   626
        return True
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   627
    except:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   628
        return True
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   629
6676
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   630
_fspathcache = {}
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   631
def fspath(name, root):
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   632
    '''Get name in the case stored in the filesystem
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   633
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   634
    The name is either relative to root, or it is an absolute path starting
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   635
    with root. Note that this function is unnecessary, and should not be
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   636
    called, for case-sensitive filesystems (simply because it's expensive).
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   637
    '''
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   638
    # If name is absolute, make it relative
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   639
    if name.lower().startswith(root.lower()):
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   640
        l = len(root)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   641
        if name[l] == os.sep or name[l] == os.altsep:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   642
            l = l + 1
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   643
        name = name[l:]
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   644
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   645
    if not os.path.exists(os.path.join(root, name)):
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   646
        return None
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   647
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   648
    seps = os.sep
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   649
    if os.altsep:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   650
        seps = seps + os.altsep
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   651
    # Protect backslashes. This gets silly very quickly.
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   652
    seps.replace('\\','\\\\')
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   653
    pattern = re.compile(r'([^%s]+)|([%s]+)' % (seps, seps))
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   654
    dir = os.path.normcase(os.path.normpath(root))
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   655
    result = []
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   656
    for part, sep in pattern.findall(name):
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   657
        if sep:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   658
            result.append(sep)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   659
            continue
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   660
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   661
        if dir not in _fspathcache:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   662
            _fspathcache[dir] = os.listdir(dir)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   663
        contents = _fspathcache[dir]
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   664
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   665
        lpart = part.lower()
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   666
        for n in contents:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   667
            if n.lower() == lpart:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   668
                result.append(n)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   669
                break
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   670
        else:
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   671
            # Cannot happen, as the file exists!
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   672
            result.append(part)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   673
        dir = os.path.join(dir, lpart)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   674
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   675
    return ''.join(result)
33045179d079 Add a new function, fspath
Paul Moore <p.f.moore@gmail.com>
parents: 6595
diff changeset
   676
3994
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   677
def checkexec(path):
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   678
    """
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   679
    Check whether the given path is on a filesystem with UNIX-like exec flags
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   680
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   681
    Requires a directory (like /foo/.hg)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   682
    """
5739
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   683
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   684
    # VFAT on some Linux versions can flip mode but it doesn't persist
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   685
    # a FS remount. Frequently we can detect it if files are created
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   686
    # with exec bit on.
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   687
5212
316ce5e85b3e check exec: return fallback in case of error during the check
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5077
diff changeset
   688
    try:
5420
6d1bd20ae14d Execution bit detection fixes for VFAT on Linux
Rafael Villar Burke <pachi@rvburke.com>
parents: 5396
diff changeset
   689
        EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
5212
316ce5e85b3e check exec: return fallback in case of error during the check
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5077
diff changeset
   690
        fh, fn = tempfile.mkstemp("", "", path)
5739
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   691
        try:
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   692
            os.close(fh)
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   693
            m = os.stat(fn).st_mode & 0777
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   694
            new_file_has_exec = m & EXECFLAGS
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   695
            os.chmod(fn, m ^ EXECFLAGS)
5759
027264e720aa util: filter all st_mode with 0777 in checkexec
Patrick Mezard <pmezard@gmail.com>
parents: 5743
diff changeset
   696
            exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m)
5739
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   697
        finally:
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   698
            os.unlink(fn)
45fa7b1c5d4c checkexec: fix VFAT tempfile droppings with more modern Linux kernels
Matt Mackall <mpm@selenic.com>
parents: 5707
diff changeset
   699
    except (IOError, OSError):
5212
316ce5e85b3e check exec: return fallback in case of error during the check
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5077
diff changeset
   700
        # we don't care, the user probably won't be able to commit anyway
316ce5e85b3e check exec: return fallback in case of error during the check
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5077
diff changeset
   701
        return False
5420
6d1bd20ae14d Execution bit detection fixes for VFAT on Linux
Rafael Villar Burke <pachi@rvburke.com>
parents: 5396
diff changeset
   702
    return not (new_file_has_exec or exec_flags_cannot_flip)
3994
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   703
4002
d7b9ec589546 symlinks: use is_link wherever is_exec is used
Matt Mackall <mpm@selenic.com>
parents: 4000
diff changeset
   704
def checklink(path):
3998
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   705
    """check whether the given path is on a symlink-capable filesystem"""
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   706
    # mktemp is not racy because symlink creation will fail if the
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   707
    # file already exists
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   708
    name = tempfile.mktemp(dir=path)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   709
    try:
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   710
        os.symlink(".", name)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   711
        os.unlink(name)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   712
        return True
4017
ea6174c96ae1 catch AttributeError in util.checklink
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4002
diff changeset
   713
    except (OSError, AttributeError):
3998
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   714
        return False
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   715
4434
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   716
def needbinarypatch():
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   717
    """return True if patches should be applied in binary mode by default."""
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   718
    return os.name == 'nt'
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   719
5843
83c354c4d529 Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5802
diff changeset
   720
def endswithsep(path):
83c354c4d529 Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5802
diff changeset
   721
    '''Check path ends with os.sep or os.altsep.'''
83c354c4d529 Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5802
diff changeset
   722
    return path.endswith(os.sep) or os.altsep and path.endswith(os.altsep)
83c354c4d529 Add endswithsep() and use it instead of using os.sep and os.altsep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5802
diff changeset
   723
5844
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   724
def splitpath(path):
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   725
    '''Split path by os.sep.
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   726
    Note that this function does not use os.altsep because this is
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   727
    an alternative of simple "xxx.split(os.sep)".
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   728
    It is recommended to use os.path.normpath() before using this
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   729
    function if need.'''
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   730
    return path.split(os.sep)
07d8eb78dd68 Add util.splitpath() and use it instead of using os.sep directly.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 5843
diff changeset
   731
6007
090b1a665901 filemerge: add config item for GUI tools
Matt Mackall <mpm@selenic.com>
parents: 6006
diff changeset
   732
def gui():
090b1a665901 filemerge: add config item for GUI tools
Matt Mackall <mpm@selenic.com>
parents: 6006
diff changeset
   733
    '''Are we running in a GUI?'''
090b1a665901 filemerge: add config item for GUI tools
Matt Mackall <mpm@selenic.com>
parents: 6006
diff changeset
   734
    return os.name == "nt" or os.name == "mac" or os.environ.get("DISPLAY")
090b1a665901 filemerge: add config item for GUI tools
Matt Mackall <mpm@selenic.com>
parents: 6006
diff changeset
   735
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   736
def mktempcopy(name, emptyok=False, createmode=None):
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   737
    """Create a temporary file with the same contents from name
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   738
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   739
    The permission bits are copied from the original file.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   740
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   741
    If the temporary file is going to be truncated immediately, you
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   742
    can use emptyok=True as an optimization.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   743
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   744
    Returns the name of the temporary file.
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   745
    """
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   746
    d, fn = os.path.split(name)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   747
    fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   748
    os.close(fd)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   749
    # Temporary files are created with mode 0600, which is usually not
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   750
    # what we want.  If the original file already exists, just copy
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   751
    # its mode.  Otherwise, manually obey umask.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   752
    try:
5740
9046a4f6a07c atomictempfile: avoid chmod weirdness on Linux vfat
Matt Mackall <mpm@selenic.com>
parents: 5739
diff changeset
   753
        st_mode = os.lstat(name).st_mode & 0777
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   754
    except OSError, inst:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   755
        if inst.errno != errno.ENOENT:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   756
            raise
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   757
        st_mode = createmode
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   758
        if st_mode is None:
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7879
diff changeset
   759
            st_mode = ~umask
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   760
        st_mode &= 0666
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   761
    os.chmod(temp, st_mode)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   762
    if emptyok:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   763
        return temp
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   764
    try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   765
        try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   766
            ifp = posixfile(name, "rb")
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   767
        except IOError, inst:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   768
            if inst.errno == errno.ENOENT:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   769
                return temp
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   770
            if not getattr(inst, 'filename', None):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   771
                inst.filename = name
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   772
            raise
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   773
        ofp = posixfile(temp, "wb")
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   774
        for chunk in filechunkiter(ifp):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   775
            ofp.write(chunk)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   776
        ifp.close()
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   777
        ofp.close()
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   778
    except:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   779
        try: os.unlink(temp)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   780
        except: pass
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   781
        raise
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   782
    return temp
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   783
8778
c5f36402daad use new style classes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8631
diff changeset
   784
class atomictempfile(object):
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   785
    """file-like object that atomically updates a file
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   786
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   787
    All writes will be redirected to a temporary copy of the original
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   788
    file.  When rename is called, the copy is renamed to the original
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   789
    name, making the changes visible.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   790
    """
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   791
    def __init__(self, name, mode, createmode):
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   792
        self.__name = name
8420
f53bc3e37655 util: make atomictempfile saner if mktempcopy fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 8419
diff changeset
   793
        self._fp = None
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   794
        self.temp = mktempcopy(name, emptyok=('w' in mode),
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   795
                               createmode=createmode)
8327
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   796
        self._fp = posixfile(self.temp, mode)
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   797
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   798
    def __getattr__(self, name):
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   799
        return getattr(self._fp, name)
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   800
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   801
    def rename(self):
8785
7a9151bc5b37 atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8778
diff changeset
   802
        if not self._fp.closed:
8327
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   803
            self._fp.close()
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   804
            rename(self.temp, localpath(self.__name))
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   805
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   806
    def __del__(self):
8785
7a9151bc5b37 atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8778
diff changeset
   807
        if not self._fp:
7a9151bc5b37 atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8778
diff changeset
   808
            return
7a9151bc5b37 atomictempfile: fix exception in __del__ if mktempcopy fails (self._fp is None)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8778
diff changeset
   809
        if not self._fp.closed:
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   810
            try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   811
                os.unlink(self.temp)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   812
            except: pass
8327
aa25be1c2889 atomictempfile: delegate to posixfile instead of inheriting from it
Bryan O'Sullivan <bos@serpentine.com>
parents: 8312
diff changeset
   813
            self._fp.close()
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   814
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   815
def makedirs(name, mode=None):
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   816
    """recursive directory creation with parent mode inheritance"""
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   817
    try:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   818
        os.mkdir(name)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   819
        if mode is not None:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   820
            os.chmod(name, mode)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   821
        return
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   822
    except OSError, err:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   823
        if err.errno == errno.EEXIST:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   824
            return
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   825
        if err.errno != errno.ENOENT:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   826
            raise
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   827
    parent = os.path.abspath(os.path.dirname(name))
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   828
    makedirs(parent, mode)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   829
    makedirs(name, mode)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   830
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   831
class opener(object):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   832
    """Open files relative to a base directory
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   833
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   834
    This class is used to hide the details of COW semantics and
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   835
    remote file access from higher level code.
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   836
    """
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   837
    def __init__(self, base, audit=True):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   838
        self.base = base
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   839
        if audit:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   840
            self.audit_path = path_auditor(base)
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   841
        else:
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   842
            self.audit_path = always
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   843
        self.createmode = None
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   844
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   845
    def __getattr__(self, name):
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   846
        if name == '_can_symlink':
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   847
            self._can_symlink = checklink(self.base)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   848
            return self._can_symlink
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   849
        raise AttributeError(name)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   850
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   851
    def _fixfilemode(self, name):
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   852
        if self.createmode is None:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   853
            return
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   854
        os.chmod(name, self.createmode & 0666)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   855
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   856
    def __call__(self, path, mode="r", text=False, atomictemp=False):
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   857
        self.audit_path(path)
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
   858
        f = os.path.join(self.base, path)
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   859
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
   860
        if not text and "b" not in mode:
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   861
            mode += "b" # for that other OS
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   862
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   863
        nlink = -1
6835
08d9e0f974d9 make mq and tags hardlink safe
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6339
diff changeset
   864
        if mode not in ("r", "rb"):
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   865
            try:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   866
                nlink = nlinks(f)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   867
            except OSError:
4328
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
   868
                nlink = 0
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   869
                d = os.path.dirname(f)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   870
                if not os.path.isdir(d):
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   871
                    makedirs(d, self.createmode)
4508
0026ccc2bf23 Remove atomicfile class.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4488
diff changeset
   872
            if atomictemp:
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   873
                return atomictempfile(f, mode, self.createmode)
4328
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
   874
            if nlink > 1:
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
   875
                rename(mktempcopy(f), f)
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   876
        fp = posixfile(f, mode)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   877
        if nlink == 0:
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   878
            self._fixfilemode(f)
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   879
        return fp
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   880
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   881
    def symlink(self, src, dst):
5158
d316124ebbea Make audit_path more stringent.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5124
diff changeset
   882
        self.audit_path(dst)
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   883
        linkname = os.path.join(self.base, dst)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   884
        try:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   885
            os.unlink(linkname)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   886
        except OSError:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   887
            pass
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   888
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   889
        dirname = os.path.dirname(linkname)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   890
        if not os.path.exists(dirname):
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   891
            makedirs(dirname, self.createmode)
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   892
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   893
        if self._can_symlink:
4948
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
   894
            try:
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
   895
                os.symlink(src, linkname)
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
   896
            except OSError, err:
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
   897
                raise OSError(err.errno, _('could not symlink to %r: %s') %
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
   898
                              (src, err.strerror), linkname)
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   899
        else:
5077
84b10dc3dccc Fix issue 653: symlinks checkout failure on non-supporting platforms
Patrick Mezard <pmezard@gmail.com>
parents: 5062
diff changeset
   900
            f = self(dst, "w")
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   901
            f.write(src)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   902
            f.close()
6062
3c3b126e5619 Make files in .hg inherit the permissions from .hg/store
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 6007
diff changeset
   903
            self._fixfilemode(dst)
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
   904
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   905
class chunkbuffer(object):
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   906
    """Allow arbitrary sized chunks of data to be efficiently read from an
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   907
    iterator over chunks of arbitrary size."""
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
   908
5446
fa836e050c50 chunkbuffer: removed unused method and arg
Matt Mackall <mpm@selenic.com>
parents: 5420
diff changeset
   909
    def __init__(self, in_iter):
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   910
        """in_iter is the iterator that's iterating over the input chunks.
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   911
        targetsize is how big a buffer to try to maintain."""
5447
56591846f819 chunkiter: simplify iter logic
Matt Mackall <mpm@selenic.com>
parents: 5446
diff changeset
   912
        self.iter = iter(in_iter)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   913
        self.buf = ''
5446
fa836e050c50 chunkbuffer: removed unused method and arg
Matt Mackall <mpm@selenic.com>
parents: 5420
diff changeset
   914
        self.targetsize = 2**16
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
   915
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   916
    def read(self, l):
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
   917
        """Read L bytes of data from the iterator of chunks of data.
1308
2073e5a71008 Cleanup of tabs and trailing spaces.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1285
diff changeset
   918
        Returns less than L bytes if the iterator runs dry."""
5447
56591846f819 chunkiter: simplify iter logic
Matt Mackall <mpm@selenic.com>
parents: 5446
diff changeset
   919
        if l > len(self.buf) and self.iter:
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   920
            # Clamp to a multiple of self.targetsize
5449
17a4b20eda7b chunkiter: handle large reads more efficiently
Matt Mackall <mpm@selenic.com>
parents: 5447
diff changeset
   921
            targetsize = max(l, self.targetsize)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   922
            collector = cStringIO.StringIO()
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   923
            collector.write(self.buf)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   924
            collected = len(self.buf)
5447
56591846f819 chunkiter: simplify iter logic
Matt Mackall <mpm@selenic.com>
parents: 5446
diff changeset
   925
            for chunk in self.iter:
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   926
                collector.write(chunk)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   927
                collected += len(chunk)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   928
                if collected >= targetsize:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   929
                    break
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   930
            if collected < targetsize:
5447
56591846f819 chunkiter: simplify iter logic
Matt Mackall <mpm@selenic.com>
parents: 5446
diff changeset
   931
                self.iter = False
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   932
            self.buf = collector.getvalue()
5449
17a4b20eda7b chunkiter: handle large reads more efficiently
Matt Mackall <mpm@selenic.com>
parents: 5447
diff changeset
   933
        if len(self.buf) == l:
5450
c728424d44c6 revlog: fix caching of buffer objects
Matt Mackall <mpm@selenic.com>
parents: 5449
diff changeset
   934
            s, self.buf = str(self.buf), ''
5449
17a4b20eda7b chunkiter: handle large reads more efficiently
Matt Mackall <mpm@selenic.com>
parents: 5447
diff changeset
   935
        else:
17a4b20eda7b chunkiter: handle large reads more efficiently
Matt Mackall <mpm@selenic.com>
parents: 5447
diff changeset
   936
            s, self.buf = self.buf[:l], buffer(self.buf, l)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   937
        return s
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   938
2462
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   939
def filechunkiter(f, size=65536, limit=None):
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   940
    """Create a generator that produces the data in the file size
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   941
    (default 65536) bytes at a time, up to optional limit (default is
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   942
    to read all data).  Chunks may be less than size bytes if the
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   943
    chunk is the last chunk in the file, or the file is a socket or
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   944
    some other type of file that sometimes reads less data than is
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   945
    requested."""
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   946
    assert size >= 0
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   947
    assert limit is None or limit >= 0
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   948
    while True:
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   949
        if limit is None: nbytes = size
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   950
        else: nbytes = min(limit, size)
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   951
        s = nbytes and f.read(nbytes)
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   952
        if not s: break
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
   953
        if limit: limit -= len(s)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
   954
        yield s
1320
5f277e73778f Fix up representation of dates in hgweb.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1312
diff changeset
   955
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
   956
def makedate():
1482
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   957
    lt = time.localtime()
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   958
    if lt[8] == 1 and time.daylight:
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   959
        tz = time.altzone
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   960
    else:
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   961
        tz = time.timezone
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
   962
    return time.mktime(lt), tz
1329
8f06817bf266 Allow files to be opened in text mode, even on Windows.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1321
diff changeset
   963
6229
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   964
def datestr(date=None, format='%a %b %d %H:%M:%S %Y %1%2'):
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
   965
    """represent a (unixtime, offset) tuple as a localized time.
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
   966
    unixtime is seconds since the epoch, and offset is the time zone's
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
   967
    number of seconds away from UTC. if timezone is false, do not
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
   968
    append time zone to string."""
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
   969
    t, tz = date or makedate()
6229
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   970
    if "%1" in format or "%2" in format:
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   971
        sign = (tz > 0) and "-" or "+"
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   972
        minutes = abs(tz) / 60
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   973
        format = format.replace("%1", "%c%02d" % (sign, minutes / 60))
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   974
        format = format.replace("%2", "%02d" % (minutes % 60))
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
   975
    s = time.strftime(format, time.gmtime(float(t) - tz))
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
   976
    return s
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
   977
6134
7b937b26adf7 Make annotae/grep print short dates with -q/--quiet.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
diff changeset
   978
def shortdate(date=None):
7b937b26adf7 Make annotae/grep print short dates with -q/--quiet.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
diff changeset
   979
    """turn (timestamp, tzoff) tuple into iso 8631 date."""
6229
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   980
    return datestr(date, format='%Y-%m-%d')
6134
7b937b26adf7 Make annotae/grep print short dates with -q/--quiet.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
diff changeset
   981
5357
c6adf2be6069 util: add default argument to strdate
Bryan O'Sullivan <bos@serpentine.com>
parents: 5293
diff changeset
   982
def strdate(string, format, defaults=[]):
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
   983
    """parse a localized time string and return a (unixtime, offset) tuple.
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
   984
    if the string cannot be parsed, ValueError is raised."""
3809
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   985
    def timezone(string):
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   986
        tz = string.split()[-1]
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   987
        if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit():
6229
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   988
            sign = (tz[0] == "+") and 1 or -1
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   989
            hours = int(tz[1:3])
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   990
            minutes = int(tz[3:5])
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
   991
            return -sign * (hours * 60 + minutes) * 60
3809
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   992
        if tz == "GMT" or tz == "UTC":
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   993
            return 0
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   994
        return None
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
   995
3255
e96d2956eb4a util.strdate: compute timestamp using UTC, not local timezone
Jose M. Prieto <jmprieto@gmx.net>
parents: 3176
diff changeset
   996
    # NOTE: unixtime = localunixtime + offset
3809
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   997
    offset, date = timezone(string), string
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   998
    if offset != None:
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
   999
        date = " ".join(string.split()[:-1])
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
  1000
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1001
    # add missing elements from defaults
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1002
    for part in defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1003
        found = [True for p in part if ("%"+p) in format]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1004
        if not found:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1005
            date += "@" + defaults[part]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1006
            format += "@%" + part[0]
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
  1007
3256
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1008
    timetuple = time.strptime(date, format)
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1009
    localunixtime = int(calendar.timegm(timetuple))
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1010
    if offset is None:
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1011
        # local timezone
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1012
        unixtime = int(time.mktime(timetuple))
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1013
        offset = unixtime - localunixtime
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1014
    else:
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1015
        unixtime = localunixtime + offset
3255
e96d2956eb4a util.strdate: compute timestamp using UTC, not local timezone
Jose M. Prieto <jmprieto@gmx.net>
parents: 3176
diff changeset
  1016
    return unixtime, offset
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1017
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1018
def parsedate(date, formats=None, defaults=None):
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1019
    """parse a localized date/time string and return a (unixtime, offset) tuple.
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1020
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1021
    The date may be a "unixtime offset" string or in one of the specified
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1022
    formats. If the date already is a (unixtime, offset) tuple, it is returned.
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1023
    """
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1024
    if not date:
3807
e43b48f0f718 parsedate: allow '' for epoch
Matt Mackall <mpm@selenic.com>
parents: 3806
diff changeset
  1025
        return 0, 0
6230
c7253d1a774e dates: Fix bare times to be relative to "today"
Matt Mackall <mpm@selenic.com>
parents: 6229
diff changeset
  1026
    if isinstance(date, tuple) and len(date) == 2:
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1027
        return date
2609
6c5b1b5cc160 util.parsedate should understand dates from hg export
Chris Mason <mason@suse.com>
parents: 2601
diff changeset
  1028
    if not formats:
6c5b1b5cc160 util.parsedate should understand dates from hg export
Chris Mason <mason@suse.com>
parents: 2601
diff changeset
  1029
        formats = defaultdateformats
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1030
    date = date.strip()
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1031
    try:
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1032
        when, offset = map(int, date.split(' '))
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1033
    except ValueError:
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1034
        # fill out defaults
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1035
        if not defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1036
            defaults = {}
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1037
        now = makedate()
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1038
        for part in "d mb yY HI M S".split():
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1039
            if part not in defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1040
                if part[0] in "HMS":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1041
                    defaults[part] = "00"
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1042
                else:
6229
c3182eeb70ea dates: improve timezone handling
Matt Mackall <mpm@selenic.com>
parents: 6224
diff changeset
  1043
                    defaults[part] = datestr(now, "%" + part[0])
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1044
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1045
        for format in formats:
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1046
            try:
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1047
                when, offset = strdate(date, format, defaults)
6087
12856a1742dc better handle errors with date parsing (issue983)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5917
diff changeset
  1048
            except (ValueError, OverflowError):
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1049
                pass
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1050
            else:
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1051
                break
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1052
        else:
6139
989467e8e3a9 Fix bad behaviour when specifying an invalid date (issue700)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6135
diff changeset
  1053
            raise Abort(_('invalid date: %r ') % date)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1054
    # validate explicit (probably user-specified) date and
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1055
    # time zone offset. values must fit in signed 32 bits for
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1056
    # current 32-bit linux runtimes. timezones go from UTC-12
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1057
    # to UTC+14
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1058
    if abs(when) > 0x7fffffff:
3806
92a3532a01d9 parsedate: use Abort rather than ValueError
Matt Mackall <mpm@selenic.com>
parents: 3784
diff changeset
  1059
        raise Abort(_('date exceeds 32 bits: %d') % when)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1060
    if offset < -50400 or offset > 43200:
3806
92a3532a01d9 parsedate: use Abort rather than ValueError
Matt Mackall <mpm@selenic.com>
parents: 3784
diff changeset
  1061
        raise Abort(_('impossible time zone offset: %d') % offset)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1062
    return when, offset
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1063
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1064
def matchdate(date):
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1065
    """Return a function that matches a given date match specifier
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1066
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1067
    Formats include:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1068
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1069
    '{date}' match a given date to the accuracy provided
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1070
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1071
    '<{date}' on or before a given date
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1072
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1073
    '>{date}' on or after a given date
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1074
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1075
    """
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1076
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1077
    def lower(date):
6230
c7253d1a774e dates: Fix bare times to be relative to "today"
Matt Mackall <mpm@selenic.com>
parents: 6229
diff changeset
  1078
        d = dict(mb="1", d="1")
c7253d1a774e dates: Fix bare times to be relative to "today"
Matt Mackall <mpm@selenic.com>
parents: 6229
diff changeset
  1079
        return parsedate(date, extendeddateformats, d)[0]
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1080
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1081
    def upper(date):
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1082
        d = dict(mb="12", HI="23", M="59", S="59")
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1083
        for days in "31 30 29".split():
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1084
            try:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1085
                d["d"] = days
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1086
                return parsedate(date, extendeddateformats, d)[0]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1087
            except:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1088
                pass
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1089
        d["d"] = "28"
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1090
        return parsedate(date, extendeddateformats, d)[0]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1091
7953
8c6f823efcc9 Correct a bug on date formats with '>' or '<' accompanied by space characters.
Justin Peng <justin.peng.sw@gmail.com>
parents: 7948
diff changeset
  1092
    date = date.strip()
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1093
    if date[0] == "<":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1094
        when = upper(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1095
        return lambda x: x <= when
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1096
    elif date[0] == ">":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1097
        when = lower(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1098
        return lambda x: x >= when
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1099
    elif date[0] == "-":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1100
        try:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1101
            days = int(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1102
        except ValueError:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1103
            raise Abort(_("invalid day spec: %s") % date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1104
        when = makedate()[0] - days * 3600 * 24
3813
fc5ba0ab7f45 Add --date support to log
Matt Mackall <mpm@selenic.com>
parents: 3812
diff changeset
  1105
        return lambda x: x >= when
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1106
    elif " to " in date:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1107
        a, b = date.split(" to ")
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1108
        start, stop = lower(a), upper(b)
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1109
        return lambda x: x >= start and x <= stop
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1110
    else:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1111
        start, stop = lower(date), upper(date)
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1112
        return lambda x: x >= start and x <= stop
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1113
1903
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1114
def shortuser(user):
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1115
    """Return a short representation of a user name or email address."""
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1116
    f = user.find('@')
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1117
    if f >= 0:
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1118
        user = user[:f]
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1119
    f = user.find('<')
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1120
    if f >= 0:
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1121
        user = user[f+1:]
3176
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1122
    f = user.find(' ')
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1123
    if f >= 0:
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1124
        user = user[:f]
3533
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1125
    f = user.find('.')
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1126
    if f >= 0:
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1127
        user = user[:f]
1903
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1128
    return user
1920
b7cc0f323a4c merge with crew.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1903 1882
diff changeset
  1129
5975
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1130
def email(author):
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1131
    '''get email of author.'''
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1132
    r = author.find('>')
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1133
    if r == -1: r = None
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1134
    return author[author.find('<')+1:r]
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
  1135
3767
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1136
def ellipsis(text, maxlength=400):
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1137
    """Trim string to at most maxlength (default: 400) characters."""
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1138
    if len(text) <= maxlength:
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1139
        return text
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1140
    else:
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1141
        return "%s..." % (text[:maxlength-3])
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1142
7523
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1143
def walkrepos(path, followsym=False, seen_dirs=None, recurse=False):
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1144
    '''yield every hg repository under path, recursively.'''
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1145
    def errhandler(err):
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1146
        if err.filename == path:
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1147
            raise err
6284
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1148
    if followsym and hasattr(os.path, 'samestat'):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1149
        def _add_dir_if_not_there(dirlst, dirname):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1150
            match = False
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1151
            samestat = os.path.samestat
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1152
            dirstat = os.stat(dirname)
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1153
            for lstdirstat in dirlst:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1154
                if samestat(dirstat, lstdirstat):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1155
                    match = True
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1156
                    break
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1157
            if not match:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1158
                dirlst.append(dirstat)
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1159
            return not match
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1160
    else:
6317
b0d937869417 hgwebdir: Tiny fix for webdir on non-symlink capable platforms.
Eric Hopper <hopper@omnifarious.org>
parents: 6284
diff changeset
  1161
        followsym = False
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1162
6284
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1163
    if (seen_dirs is None) and followsym:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1164
        seen_dirs = []
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1165
        _add_dir_if_not_there(seen_dirs, path)
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1166
    for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler):
6140
47e6d5d5913a Simplify utils.walkrepos().
Walter Doerwald <walter@livinglogic.de>
parents: 6139
diff changeset
  1167
        if '.hg' in dirs:
47e6d5d5913a Simplify utils.walkrepos().
Walter Doerwald <walter@livinglogic.de>
parents: 6139
diff changeset
  1168
            yield root # found a repository
7525
6a49fa7674c1 hgweb: mq repos should be in non-recursive collections, too
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7523
diff changeset
  1169
            qroot = os.path.join(root, '.hg', 'patches')
6a49fa7674c1 hgweb: mq repos should be in non-recursive collections, too
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7523
diff changeset
  1170
            if os.path.isdir(os.path.join(qroot, '.hg')):
6a49fa7674c1 hgweb: mq repos should be in non-recursive collections, too
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7523
diff changeset
  1171
                yield qroot # we have a patch queue repo here
7523
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1172
            if recurse:
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1173
                # avoid recursing inside the .hg directory
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1174
                dirs.remove('.hg')
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1175
            else:
e60aaae83323 hgweb: recurse down collections only if ** in [paths]
Benoit Allard <benoit@aeteurope.nl>
parents: 7494
diff changeset
  1176
                dirs[:] = [] # don't descend further
6284
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1177
        elif followsym:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1178
            newdirs = []
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1179
            for d in dirs:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1180
                fname = os.path.join(root, d)
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1181
                if _add_dir_if_not_there(seen_dirs, fname):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1182
                    if os.path.islink(fname):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1183
                        for hgname in walkrepos(fname, True, seen_dirs):
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1184
                            yield hgname
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1185
                    else:
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1186
                        newdirs.append(d)
c93b6c0e6e84 Allow hgwebdir collections to follow symlinks.
Eric Hopper <hopper@omnifarious.org>
parents: 6267
diff changeset
  1187
            dirs[:] = newdirs
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1188
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1189
_rcpath = None
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1190
4097
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1191
def os_rcpath():
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1192
    '''return default os-specific hgrc search path'''
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1193
    path = system_rcpath()
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1194
    path.extend(user_rcpath())
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1195
    path = [os.path.normpath(f) for f in path]
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1196
    return path
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1197
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1198
def rcpath():
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1199
    '''return hgrc search path. if env var HGRCPATH is set, use it.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1200
    for each item in path, if directory, use files ending in .rc,
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1201
    else use item.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1202
    make HGRCPATH empty to only look in .hg/hgrc of current repo.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1203
    if no HGRCPATH, use default os-specific path.'''
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1204
    global _rcpath
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1205
    if _rcpath is None:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1206
        if 'HGRCPATH' in os.environ:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1207
            _rcpath = []
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1208
            for p in os.environ['HGRCPATH'].split(os.pathsep):
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1209
                if not p: continue
1956
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1210
                if os.path.isdir(p):
5396
5105b119edd2 Add osutil module, containing a listdir function.
Bryan O'Sullivan <bos@serpentine.com>
parents: 5360
diff changeset
  1211
                    for f, kind in osutil.listdir(p):
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1212
                        if f.endswith('.rc'):
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1213
                            _rcpath.append(os.path.join(p, f))
1956
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1214
                else:
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1215
                    _rcpath.append(p)
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1216
        else:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1217
            _rcpath = os_rcpath()
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1218
    return _rcpath
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1219
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1220
def bytecount(nbytes):
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1221
    '''return byte count formatted as readable string, with units'''
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1222
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1223
    units = (
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1224
        (100, 1<<30, _('%.0f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1225
        (10, 1<<30, _('%.1f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1226
        (1, 1<<30, _('%.2f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1227
        (100, 1<<20, _('%.0f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1228
        (10, 1<<20, _('%.1f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1229
        (1, 1<<20, _('%.2f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1230
        (100, 1<<10, _('%.0f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1231
        (10, 1<<10, _('%.1f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1232
        (1, 1<<10, _('%.2f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1233
        (1, 1, _('%.0f bytes')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1234
        )
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1235
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1236
    for multiplier, divisor, format in units:
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1237
        if nbytes >= divisor * multiplier:
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1238
            return format % (nbytes / float(divisor))
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1239
    return units[-1][2] % nbytes
2740
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1240
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1241
def drop_scheme(scheme, path):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1242
    sc = scheme + ':'
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1243
    if path.startswith(sc):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1244
        path = path[len(sc):]
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1245
        if path.startswith('//'):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1246
            path = path[2:]
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1247
    return path
5291
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
  1248
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
  1249
def uirepr(s):
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
  1250
    # Avoid double backslash in Windows path repr()
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
  1251
    return repr(s).replace('\\\\', '\\')
7547
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1252
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1253
def termwidth():
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1254
    if 'COLUMNS' in os.environ:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1255
        try:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1256
            return int(os.environ['COLUMNS'])
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1257
        except ValueError:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1258
            pass
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1259
    try:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1260
        import termios, array, fcntl
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1261
        for dev in (sys.stdout, sys.stdin):
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1262
            try:
8347
a3826fff1e87 util.termwidth: a file-like object may legitimately lack a fileno() method
Bryan O'Sullivan <bos@serpentine.com>
parents: 8340
diff changeset
  1263
                try:
a3826fff1e87 util.termwidth: a file-like object may legitimately lack a fileno() method
Bryan O'Sullivan <bos@serpentine.com>
parents: 8340
diff changeset
  1264
                    fd = dev.fileno()
a3826fff1e87 util.termwidth: a file-like object may legitimately lack a fileno() method
Bryan O'Sullivan <bos@serpentine.com>
parents: 8340
diff changeset
  1265
                except AttributeError:
a3826fff1e87 util.termwidth: a file-like object may legitimately lack a fileno() method
Bryan O'Sullivan <bos@serpentine.com>
parents: 8340
diff changeset
  1266
                    continue
7547
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1267
                if not os.isatty(fd):
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1268
                    continue
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1269
                arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8)
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1270
                return array.array('h', arri)[1]
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1271
            except ValueError:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1272
                pass
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1273
    except ImportError:
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1274
        pass
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
  1275
    return 80
7879
5c4026a289a4 templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents: 7875
diff changeset
  1276
8938
9b8c9266c59d commands: wrap short descriptions in 'hg help'
Martin Geisler <mg@lazybytes.net>
parents: 8785
diff changeset
  1277
def wrap(line, hangindent, width=78):
9b8c9266c59d commands: wrap short descriptions in 'hg help'
Martin Geisler <mg@lazybytes.net>
parents: 8785
diff changeset
  1278
    padding = '\n' + ' ' * hangindent
9480
44758742ad2e util: do not corrupt multi-byte characters in wrap
Martin Geisler <mg@lazybytes.net>
parents: 9383
diff changeset
  1279
    # To avoid corrupting multi-byte characters in line, we must wrap
44758742ad2e util: do not corrupt multi-byte characters in wrap
Martin Geisler <mg@lazybytes.net>
parents: 9383
diff changeset
  1280
    # a Unicode string instead of a bytestring.
9495
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1281
    try:
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1282
        u = line.decode(encoding.encoding)
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1283
        w = padding.join(textwrap.wrap(u, width=width - hangindent))
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1284
        return w.encode(encoding.encoding)
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1285
    except UnicodeDecodeError:
b2d65ee49a72 ui: guard against UnicodeDecodeErrors in ui.wrap
Martin Geisler <mg@lazybytes.net>
parents: 9480
diff changeset
  1286
        return padding.join(textwrap.wrap(line, width=width - hangindent))
8938
9b8c9266c59d commands: wrap short descriptions in 'hg help'
Martin Geisler <mg@lazybytes.net>
parents: 8785
diff changeset
  1287
7879
5c4026a289a4 templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents: 7875
diff changeset
  1288
def iterlines(iterator):
5c4026a289a4 templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents: 7875
diff changeset
  1289
    for chunk in iterator:
5c4026a289a4 templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents: 7875
diff changeset
  1290
        for line in chunk.splitlines():
5c4026a289a4 templater: ability to display diffstat for log-like commands
Alexander Solovyov <piranha at piranha.org.ua>
parents: 7875
diff changeset
  1291
            yield line