mercurial/posix.py
author Adrian Buehlmann <adrian@cadifra.com>
Fri, 22 Jul 2011 10:31:56 +0200
changeset 14910 570ea0259b0a
parent 14909 c627fe32c923
child 14911 5b39503157fd
permissions -rw-r--r--
util: move "default" lookupreg to posix.py There is a lookupreg in win32.py, which we get via windows.py
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# posix.py - Posix utility function implementations for Mercurial
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#
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#  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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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 or any later version.
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from i18n import _
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import os, sys, errno, stat, getpass, pwd, grp, tempfile
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posixfile = open
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nulldev = '/dev/null'
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normpath = os.path.normpath
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samestat = os.path.samestat
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oslink = os.link
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unlink = os.unlink
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rename = os.rename
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expandglobs = False
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umask = os.umask(0)
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os.umask(umask)
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def openhardlinks():
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    '''return true if it is safe to hold open file handles to hardlinks'''
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    return True
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def nlinks(name):
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    '''return number of hardlinks for the given file'''
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    return os.lstat(name).st_nlink
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def parsepatchoutput(output_line):
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    """parses the output produced by patch and returns the filename"""
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    pf = output_line[14:]
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    if os.sys.platform == 'OpenVMS':
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        if pf[0] == '`':
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            pf = pf[1:-1] # Remove the quotes
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    else:
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        if pf.startswith("'") and pf.endswith("'") and " " in pf:
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            pf = pf[1:-1] # Remove the quotes
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    return pf
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def sshargs(sshcmd, host, user, port):
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    '''Build argument list for ssh'''
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    args = user and ("%s@%s" % (user, host)) or host
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    return port and ("%s -p %s" % (args, port)) or args
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def isexec(f):
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    """check whether a file is executable"""
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    return (os.lstat(f).st_mode & 0100 != 0)
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def setflags(f, l, x):
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    s = os.lstat(f).st_mode
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    if l:
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        if not stat.S_ISLNK(s):
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            # switch file to link
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            fp = open(f)
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            data = fp.read()
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            fp.close()
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            os.unlink(f)
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            try:
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                os.symlink(data, f)
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            except OSError:
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                # failed to make a link, rewrite file
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                fp = open(f, "w")
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                fp.write(data)
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                fp.close()
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        # no chmod needed at this point
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        return
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    if stat.S_ISLNK(s):
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        # switch link to file
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        data = os.readlink(f)
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        os.unlink(f)
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        fp = open(f, "w")
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        fp.write(data)
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        fp.close()
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        s = 0666 & ~umask # avoid restatting for chmod
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    sx = s & 0100
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    if x and not sx:
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        # Turn on +x for every +r bit when making a file executable
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        # and obey umask.
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        os.chmod(f, s | (s & 0444) >> 2 & ~umask)
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    elif not x and sx:
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        # Turn off all +x bits
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        os.chmod(f, s & 0666)
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def checkexec(path):
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    """
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    Check whether the given path is on a filesystem with UNIX-like exec flags
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    Requires a directory (like /foo/.hg)
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    """
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    # VFAT on some Linux versions can flip mode but it doesn't persist
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    # a FS remount. Frequently we can detect it if files are created
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    # with exec bit on.
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    try:
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        EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
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        fh, fn = tempfile.mkstemp(dir=path, prefix='hg-checkexec-')
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        try:
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            os.close(fh)
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            m = os.stat(fn).st_mode & 0777
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            new_file_has_exec = m & EXECFLAGS
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            os.chmod(fn, m ^ EXECFLAGS)
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            exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m)
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        finally:
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            os.unlink(fn)
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    except (IOError, OSError):
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        # we don't care, the user probably won't be able to commit anyway
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        return False
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    return not (new_file_has_exec or exec_flags_cannot_flip)
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def checklink(path):
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    """check whether the given path is on a symlink-capable filesystem"""
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    # mktemp is not racy because symlink creation will fail if the
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    # file already exists
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    name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
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    try:
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        os.symlink(".", name)
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        os.unlink(name)
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        return True
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   123
    except (OSError, AttributeError):
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   124
        return False
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   125
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   126
def checkosfilename(path):
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   127
    '''Check that the base-relative path is a valid filename on this platform.
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   128
    Returns None if the path is ok, or a UI string describing the problem.'''
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   129
    pass # on posix platforms, every path is ok
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   130
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   131
def setbinary(fd):
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    pass
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def pconvert(path):
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    return path
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def localpath(path):
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    return path
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   139
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def samefile(fpath1, fpath2):
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   141
    """Returns whether path1 and path2 refer to the same file. This is only
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   142
    guaranteed to work for files, not directories."""
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   143
    return os.path.samefile(fpath1, fpath2)
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   144
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   145
def samedevice(fpath1, fpath2):
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   146
    """Returns whether fpath1 and fpath2 are on the same device. This is only
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   147
    guaranteed to work for files, not directories."""
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   148
    st1 = os.lstat(fpath1)
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   149
    st2 = os.lstat(fpath2)
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   150
    return st1.st_dev == st2.st_dev
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diff changeset
   151
9238
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parents: 9031
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   152
if sys.platform == 'darwin':
10757
ab3782458827 posix: move a global fcntl import to keep it from breaking jython
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parents: 10264
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   153
    import fcntl # only needed on darwin, missing on jython
9238
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   154
    def realpath(path):
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   155
        '''
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   156
        Returns the true, canonical file system path equivalent to the given
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   157
        path.
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parents: 9031
diff changeset
   158
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   159
        Equivalent means, in this case, resulting in the same, unique
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parents: 9031
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   160
        file system link to the path. Every file system entry, whether a file,
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parents: 9031
diff changeset
   161
        directory, hard link or symbolic link or special, will have a single
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parents: 9031
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   162
        path preferred by the system, but may allow multiple, differing path
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   163
        lookups to point to it.
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   164
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
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   165
        Most regular UNIX file systems only allow a file system entry to be
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   166
        looked up by its distinct path. Obviously, this does not apply to case
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   167
        insensitive file systems, whether case preserving or not. The most
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   168
        complex issue to deal with is file systems transparently reencoding the
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   169
        path, such as the non-standard Unicode normalisation required for HFS+
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   170
        and HFSX.
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parents: 9031
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   171
        '''
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parents: 9031
diff changeset
   172
        # Constants copied from /usr/include/sys/fcntl.h
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parents: 9031
diff changeset
   173
        F_GETPATH = 50
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parents: 9031
diff changeset
   174
        O_SYMLINK = 0x200000
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parents: 9031
diff changeset
   175
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   176
        try:
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   177
            fd = os.open(path, O_SYMLINK)
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parents: 9031
diff changeset
   178
        except OSError, err:
13007
e98bf6948092 posix: remove is-comparison between integers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 12689
diff changeset
   179
            if err.errno == errno.ENOENT:
9238
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parents: 9031
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   180
                return path
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   181
            raise
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parents: 9031
diff changeset
   182
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   183
        try:
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   184
            return fcntl.fcntl(fd, F_GETPATH, '\0' * 1024).rstrip('\0')
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   185
        finally:
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   186
            os.close(fd)
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   187
else:
40196d036a71 util: add realpath() for getting the 'true' path.
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parents: 9031
diff changeset
   188
    # Fallback to the likely inadequate Python builtin function.
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   189
    realpath = os.path.realpath
40196d036a71 util: add realpath() for getting the 'true' path.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 9031
diff changeset
   190
7890
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parents:
diff changeset
   191
def shellquote(s):
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parents:
diff changeset
   192
    if os.sys.platform == 'OpenVMS':
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   193
        return '"%s"' % s
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parents:
diff changeset
   194
    else:
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parents:
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   195
        return "'%s'" % s.replace("'", "'\\''")
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parents:
diff changeset
   196
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   197
def quotecommand(cmd):
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parents:
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   198
    return cmd
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parents:
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   199
e710f0f592b2 util: split out posix, windows, and win32 modules
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   200
def popen(command, mode='r'):
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parents:
diff changeset
   201
    return os.popen(command, mode)
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parents:
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   202
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   203
def testpid(pid):
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parents:
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   204
    '''return False if pid dead, True if running or not sure'''
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parents:
diff changeset
   205
    if os.sys.platform == 'OpenVMS':
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parents:
diff changeset
   206
        return True
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parents:
diff changeset
   207
    try:
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parents:
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   208
        os.kill(pid, 0)
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   209
        return True
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parents:
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   210
    except OSError, inst:
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parents:
diff changeset
   211
        return inst.errno != errno.ESRCH
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   212
14234
600e64004eb5 rename explain_exit to explainexit
Adrian Buehlmann <adrian@cadifra.com>
parents: 14233
diff changeset
   213
def explainexit(code):
9517
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   214
    """return a 2-tuple (desc, code) describing a subprocess status
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   215
    (codes from kill are negative - not os.system/wait encoding)"""
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   216
    if code >= 0:
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   217
        return _("exited with status %d") % code, code
4368f582c806 util.system: Use subprocess instead of os.system
Mads Kiilerich <mads@kiilerich.com>
parents: 9238
diff changeset
   218
    return _("killed by signal %d") % -code, -code
7890
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parents:
diff changeset
   219
8657
3fa92c618624 posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents: 8614
diff changeset
   220
def isowner(st):
3fa92c618624 posix: do not use fstat in isowner
Martin Geisler <mg@lazybytes.net>
parents: 8614
diff changeset
   221
    """Return True if the stat object st is from the current user."""
7890
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parents:
diff changeset
   222
    return st.st_uid == os.getuid()
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parents:
diff changeset
   223
14271
4030630fb59c rename util.find_exe to findexe
Adrian Buehlmann <adrian@cadifra.com>
parents: 14237
diff changeset
   224
def findexe(command):
7890
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parents:
diff changeset
   225
    '''Find executable for command searching like which does.
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   226
    If command is a basename then PATH is searched for command.
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   227
    PATH isn't searched if command is an absolute or relative path.
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   228
    If command isn't found None is returned.'''
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   229
    if sys.platform == 'OpenVMS':
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parents:
diff changeset
   230
        return command
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parents:
diff changeset
   231
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   232
    def findexisting(executable):
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   233
        'Will return executable if existing file'
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   234
        if os.path.exists(executable):
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   235
            return executable
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   236
        return None
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   237
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   238
    if os.sep in command:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   239
        return findexisting(command)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   240
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   241
    for path in os.environ.get('PATH', '').split(os.pathsep):
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   242
        executable = findexisting(os.path.join(path, command))
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   243
        if executable is not None:
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   244
            return executable
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   245
    return None
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   246
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14235
diff changeset
   247
def setsignalhandler():
7890
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diff changeset
   248
    pass
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   249
e710f0f592b2 util: split out posix, windows, and win32 modules
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diff changeset
   250
def statfiles(files):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   251
    'Stat each file in files and yield stat or None if file does not exist.'
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parents:
diff changeset
   252
    lstat = os.lstat
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   253
    for nf in files:
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   254
        try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   255
            st = lstat(nf)
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   256
        except OSError, err:
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parents:
diff changeset
   257
            if err.errno not in (errno.ENOENT, errno.ENOTDIR):
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   258
                raise
e710f0f592b2 util: split out posix, windows, and win32 modules
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parents:
diff changeset
   259
            st = None
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   260
        yield st
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parents:
diff changeset
   261
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   262
def getuser():
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   263
    '''return name of current user'''
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   264
    return getpass.getuser()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   265
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   266
def username(uid=None):
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   267
    """Return the name of the user with the given uid.
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   268
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   269
    If uid is None, return the name of the current user."""
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   270
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   271
    if uid is None:
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   272
        uid = os.getuid()
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   273
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   274
        return pwd.getpwuid(uid)[0]
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   275
    except KeyError:
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   276
        return str(uid)
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   277
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   278
def groupname(gid=None):
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   279
    """Return the name of the group with the given gid.
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   280
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   281
    If gid is None, return the name of the current group."""
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   282
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   283
    if gid is None:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   284
        gid = os.getgid()
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   285
    try:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   286
        return grp.getgrgid(gid)[0]
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   287
    except KeyError:
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   288
        return str(gid)
10237
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   289
11138
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   290
def groupmembers(name):
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   291
    """Return the list of members of the group with the given
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   292
    name, KeyError if the group does not exist.
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   293
    """
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   294
    return list(grp.getgrnam(name).gr_mem)
99eee847beaa acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents: 11011
diff changeset
   295
10237
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   296
def spawndetached(args):
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   297
    return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0),
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   298
                      args[0], args)
2f7a38f336f4 serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents: 10218
diff changeset
   299
10239
8e4be44a676f Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents: 10237
diff changeset
   300
def gethgcmd():
8e4be44a676f Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents: 10237
diff changeset
   301
    return sys.argv[:1]
11010
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   302
12689
c52c629ce19e termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents: 11138
diff changeset
   303
def termwidth():
11010
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   304
    try:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   305
        import termios, array, fcntl
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   306
        for dev in (sys.stderr, sys.stdout, sys.stdin):
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   307
            try:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   308
                try:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   309
                    fd = dev.fileno()
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   310
                except AttributeError:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   311
                    continue
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   312
                if not os.isatty(fd):
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   313
                    continue
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   314
                arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8)
14165
78bdfc756908 util.termwidth: never return 0 for terminal width
jfh <jason@jasonfharris.com>
parents: 14004
diff changeset
   315
                width = array.array('h', arri)[1]
78bdfc756908 util.termwidth: never return 0 for terminal width
jfh <jason@jasonfharris.com>
parents: 14004
diff changeset
   316
                if width > 0:
78bdfc756908 util.termwidth: never return 0 for terminal width
jfh <jason@jasonfharris.com>
parents: 14004
diff changeset
   317
                    return width
11010
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   318
            except ValueError:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   319
                pass
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   320
            except IOError, e:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   321
                if e[0] == errno.EINVAL:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   322
                    pass
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   323
                else:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   324
                    raise
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   325
    except ImportError:
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   326
        pass
18e81d42ee5c util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10264
diff changeset
   327
    return 80
14908
e2b5605501df util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14273
diff changeset
   328
e2b5605501df util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14273
diff changeset
   329
def makedir(path, notindexed):
e2b5605501df util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14273
diff changeset
   330
    os.mkdir(path)
14909
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   331
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   332
def unlinkpath(f):
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   333
    """unlink and remove the directory if it is empty"""
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   334
    os.unlink(f)
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   335
    # try removing directories that might now be empty
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   336
    try:
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   337
        os.removedirs(os.path.dirname(f))
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   338
    except OSError:
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   339
        pass
c627fe32c923 util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14908
diff changeset
   340
14910
570ea0259b0a util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14909
diff changeset
   341
def lookupreg(key, name=None, scope=None):
570ea0259b0a util: move "default" lookupreg to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 14909
diff changeset
   342
    return None