mercurial/pycompat.py
author Augie Fackler <augie@google.com>
Fri, 05 Aug 2016 16:25:15 -0400
branchstable
changeset 29704 b8f9cdca8807
parent 29584 06587edd1233
child 29778 594035c1adc7
permissions -rw-r--r--
exchange: correctly specify url to unbundle (issue5145) This parameter is slightly confusingly named in wireproto, so it got mis-specified from the start as 'push' instead of the URL to which we are pushing. Sigh. I've got a patch for that which I'll mail separately since it's not really appropriate for stable. Fixes a regression in bundle2 from bundle1.
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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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import sys
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if sys.version_info[0] < 3:
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    import cPickle as pickle
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    import cStringIO as io
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    import httplib
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    import Queue as _queue
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    import SocketServer as socketserver
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    import urlparse
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    import xmlrpclib
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else:
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    import http.client as httplib
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    import io
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    import pickle
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    import queue as _queue
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    import socketserver
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    import urllib.parse as urlparse
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    import xmlrpc.client as xmlrpclib
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stringio = io.StringIO
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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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httpserver = _pycompatstub()
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urlreq = _pycompatstub()
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urlerr = _pycompatstub()
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try:
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    import BaseHTTPServer
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    import CGIHTTPServer
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    import SimpleHTTPServer
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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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    _alias(httpserver, BaseHTTPServer, (
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        "HTTPServer",
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        "BaseHTTPRequestHandler",
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    ))
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    _alias(httpserver, SimpleHTTPServer, (
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        "SimpleHTTPRequestHandler",
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    ))
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    _alias(httpserver, CGIHTTPServer, (
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        "CGIHTTPRequestHandler",
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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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        "HTTPPasswordMgrWithDefaultRealm",
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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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    import http.server
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    _alias(httpserver, http.server, (
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        "HTTPServer",
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        "BaseHTTPRequestHandler",
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        "SimpleHTTPRequestHandler",
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        "CGIHTTPRequestHandler",
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    ))
28882
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28834
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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