| author | timeless <timeless@mozdev.org> |
| Thu, 07 Apr 2016 00:05:48 +0000 | |
| changeset 28882 | 800ec7c048b0 |
| parent 28835 | 68a946e83188 |
| child 29324 | b501579147f1 |
| permissions | -rw-r--r-- |
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# pycompat.py - portability shim for python 3 |
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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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"""Mercurial portability shim for python 3. |
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This contains aliases to hide python version-specific details from the core. |
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""" |
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from __future__ import absolute_import |
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try: |
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import cStringIO as io |
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stringio = io.StringIO |
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except ImportError: |
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import io |
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stringio = io.StringIO |
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try: |
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import Queue as _queue |
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_queue.Queue |
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except ImportError: |
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import queue as _queue |
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empty = _queue.Empty |
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queue = _queue.Queue |
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class _pycompatstub(object): |
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pass |
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def _alias(alias, origin, items): |
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""" populate a _pycompatstub |
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copies items from origin to alias |
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""" |
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def hgcase(item): |
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return item.replace('_', '').lower() |
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for item in items: |
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try: |
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setattr(alias, hgcase(item), getattr(origin, item)) |
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except AttributeError: |
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pass |
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urlreq = _pycompatstub() |
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urlerr = _pycompatstub() |
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try: |
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import urllib2 |
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import urllib |
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_alias(urlreq, urllib, ( |
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"addclosehook", |
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"addinfourl", |
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"ftpwrapper", |
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"pathname2url", |
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"quote", |
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"splitattr", |
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"splitpasswd", |
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"splitport", |
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"splituser", |
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"unquote", |
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"url2pathname", |
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"urlencode", |
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"urlencode", |
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)) |
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_alias(urlreq, urllib2, ( |
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"AbstractHTTPHandler", |
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"BaseHandler", |
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"build_opener", |
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"FileHandler", |
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"FTPHandler", |
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"HTTPBasicAuthHandler", |
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"HTTPDigestAuthHandler", |
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"HTTPHandler", |
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"HTTPPasswordMgrWithDefaultRealm", |
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"HTTPSHandler", |
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"install_opener", |
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"ProxyHandler", |
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"Request", |
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"urlopen", |
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)) |
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_alias(urlerr, urllib2, ( |
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"HTTPError", |
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"URLError", |
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)) |
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except ImportError: |
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import urllib.request |
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_alias(urlreq, urllib.request, ( |
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"AbstractHTTPHandler", |
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"addclosehook", |
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"addinfourl", |
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"BaseHandler", |
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"build_opener", |
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"FileHandler", |
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"FTPHandler", |
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"ftpwrapper", |
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"HTTPHandler", |
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"HTTPSHandler", |
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"install_opener", |
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"pathname2url", |
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"HTTPBasicAuthHandler", |
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"HTTPDigestAuthHandler", |
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"ProxyHandler", |
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"quote", |
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"Request", |
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"splitattr", |
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"splitpasswd", |
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"splitport", |
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"splituser", |
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"unquote", |
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"url2pathname", |
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"urlopen", |
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)) |
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import urllib.error |
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_alias(urlerr, urllib.error, ( |
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"HTTPError", |
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"URLError", |
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)) |
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try: |
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xrange |
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except NameError: |
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import builtins |
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builtins.xrange = range |