Mercurial > hg
view mercurial/pycompat.py @ 29696:2f64e5a6efb8
py3: use unicode literals in changelog.py
collections.namedtuple type and field names must be str in Python 3.
Our custom module importer was rewriting them to bytes literals,
making this fail.
In addition, __slots__ values must also be unicode.
author | Pulkit Goyal <7895pulkit@gmail.com> |
---|---|
date | Thu, 04 Aug 2016 00:15:39 +0530 |
parents | 06587edd1233 |
children | 594035c1adc7 |
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# pycompat.py - portability shim for python 3 # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. """Mercurial portability shim for python 3. This contains aliases to hide python version-specific details from the core. """ from __future__ import absolute_import import sys if sys.version_info[0] < 3: import cPickle as pickle import cStringIO as io import httplib import Queue as _queue import SocketServer as socketserver import urlparse import xmlrpclib else: import http.client as httplib import io import pickle import queue as _queue import socketserver import urllib.parse as urlparse import xmlrpc.client as xmlrpclib stringio = io.StringIO empty = _queue.Empty queue = _queue.Queue class _pycompatstub(object): pass def _alias(alias, origin, items): """ populate a _pycompatstub copies items from origin to alias """ def hgcase(item): return item.replace('_', '').lower() for item in items: try: setattr(alias, hgcase(item), getattr(origin, item)) except AttributeError: pass httpserver = _pycompatstub() urlreq = _pycompatstub() urlerr = _pycompatstub() try: import BaseHTTPServer import CGIHTTPServer import SimpleHTTPServer import urllib2 import urllib _alias(urlreq, urllib, ( "addclosehook", "addinfourl", "ftpwrapper", "pathname2url", "quote", "splitattr", "splitpasswd", "splitport", "splituser", "unquote", "url2pathname", "urlencode", "urlencode", )) _alias(urlreq, urllib2, ( "AbstractHTTPHandler", "BaseHandler", "build_opener", "FileHandler", "FTPHandler", "HTTPBasicAuthHandler", "HTTPDigestAuthHandler", "HTTPHandler", "HTTPPasswordMgrWithDefaultRealm", "HTTPSHandler", "install_opener", "ProxyHandler", "Request", "urlopen", )) _alias(urlerr, urllib2, ( "HTTPError", "URLError", )) _alias(httpserver, BaseHTTPServer, ( "HTTPServer", "BaseHTTPRequestHandler", )) _alias(httpserver, SimpleHTTPServer, ( "SimpleHTTPRequestHandler", )) _alias(httpserver, CGIHTTPServer, ( "CGIHTTPRequestHandler", )) except ImportError: import urllib.request _alias(urlreq, urllib.request, ( "AbstractHTTPHandler", "addclosehook", "addinfourl", "BaseHandler", "build_opener", "FileHandler", "FTPHandler", "ftpwrapper", "HTTPHandler", "HTTPSHandler", "install_opener", "pathname2url", "HTTPBasicAuthHandler", "HTTPDigestAuthHandler", "HTTPPasswordMgrWithDefaultRealm", "ProxyHandler", "quote", "Request", "splitattr", "splitpasswd", "splitport", "splituser", "unquote", "url2pathname", "urlopen", )) import urllib.error _alias(urlerr, urllib.error, ( "HTTPError", "URLError", )) import http.server _alias(httpserver, http.server, ( "HTTPServer", "BaseHTTPRequestHandler", "SimpleHTTPRequestHandler", "CGIHTTPRequestHandler", )) try: xrange except NameError: import builtins builtins.xrange = range