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g Z� d� � Z� d S(� s� Mercurial utility functions and platform specific implementations.
This contains helper routines that are independent of the SCM core and
hide platform-specific details from the core.
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Low-overhead wrapper around Python's SHA support
>>> f = _fastsha1
>>> a = sha1()
>>> a = f()
>>> a.hexdigest()
'da39a3ee5e6b4b0d3255bfef95601890afd80709'
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r}n XXd S( s� filter string S through a pair of temporary files with CMD.
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� q� W| j � t j j d g t | � | � p d S( sa return the relative path from one place to another.
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r | | � � q#Xn | S( s� enhanced shell command execution.
run with environment maybe modified, maybe in different dir.
if command fails and onerr is None, return status. if ui object,
print error message and return status, else raise onerr object as
exception.
if out is specified, it is assumed to be a file-like object that has a
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c s � f d � } | S( s5 wrap a function with code to check for calling errorsc s] y � | | � SWnE t k
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s� Check that the base-relative path is a valid filename on Windows.
Returns None if the path is ok, or a UI string describing the problem.
>>> checkwinfilename("just/a/normal/path")
>>> checkwinfilename("foo/bar/con.xml")
"filename contains 'con', which is reserved on Windows"
>>> checkwinfilename("foo/con.xml/bar")
"filename contains 'con', which is reserved on Windows"
>>> checkwinfilename("foo/bar/xml.con")
>>> checkwinfilename("foo/bar/AUX/bla.txt")
"filename contains 'AUX', which is reserved on Windows"
>>> checkwinfilename("foo/bar/bla:.txt")
"filename contains ':', which is reserved on Windows"
>>> checkwinfilename("foo/bar/bla.txt")
"filename contains '\\x07', which is invalid on Windows"
>>> checkwinfilename("foo/bar/bla ")
"filename ends with ' ', which is not allowed on Windows"
>>> checkwinfilename("../bar")
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directory component.
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r� q� Xn t j | | � S( s� Compile a regular expression, using re2 if possible
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The date may be a "unixtime offset" string or in one of the specified
formats. If the date already is a (unixtime, offset) tuple, it is returned.
>>> parsedate(' today ') == parsedate( datetime.date.today().strftime('%b %d'))
True
>>> parsedate( 'yesterday ') == parsedate((datetime.date.today() - datetime.timedelta(days=1) ).strftime('%b %d'))
True
>>> now, tz = makedate()
>>> strnow, strtz = parsedate('now')
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True
>>> tz == strtz
True
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� | d � � n X| d k rLt t d � | d � � n t � d | d d � � f d � Sd | k r�| j d � \ } } | | � | | � � � � � f d � S| | � | | � � � � � f d � Sd S( sA Return a function that matches a given date match specifier
Formats include:
'{date}' match a given date to the accuracy provided
'<{date}' on or before a given date
'>{date}' on or after a given date
>>> p1 = parsedate("10:29:59")
>>> p2 = parsedate("10:30:00")
>>> p3 = parsedate("10:30:59")
>>> p4 = parsedate("10:31:00")
>>> p5 = parsedate("Sep 15 10:30:00 1999")
>>> f = matchdate("10:30")
>>> f(p1[0])
False
>>> f(p2[0])
True
>>> f(p3[0])
True
>>> f(p4[0])
False
>>> f(p5[0])
False
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prefix is a single character string, or a two character string with
a backslash as the first character if the prefix needs to be escaped in
a regular expression.
fn is an optional function that will be applied to the replacement text
just before replacement.
escape_prefix is an optional flag that allows using doubled prefix for
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>>> _urlunquote('abc%20def')
'abc def'
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<scheme>://<user>:<passwd>@<host>:<port>/<path>?<query>#<fragment>
Missing components are set to None. The only exception is
fragment, which is set to '' if present but empty.
If parsefragment is False, fragment is included in query. If
parsequery is False, query is included in path. If both are
False, both fragment and query are included in path.
See http://www.ietf.org/rfc/rfc2396.txt for more information.
Note that for backward compatibility reasons, bundle URLs do not
take host names. That means 'bundle://../' has a path of '../'.
Examples:
>>> url('http://www.ietf.org/rfc/rfc2396.txt')
<url scheme: 'http', host: 'www.ietf.org', path: 'rfc/rfc2396.txt'>
>>> url('ssh://[::1]:2200//home/joe/repo')
<url scheme: 'ssh', host: '[::1]', port: '2200', path: '/home/joe/repo'>
>>> url('file:///home/joe/repo')
<url scheme: 'file', path: '/home/joe/repo'>
>>> url('file:///c:/temp/foo/')
<url scheme: 'file', path: 'c:/temp/foo/'>
>>> url('bundle:foo')
<url scheme: 'bundle', path: 'foo'>
>>> url('bundle://../foo')
<url scheme: 'bundle', path: '../foo'>
>>> url(r'c:\foo\bar')
<url path: 'c:\\foo\\bar'>
>>> url(r'\\blah\blah\blah')
<url path: '\\\\blah\\blah\\blah'>
>>> url(r'\\blah\blah\blah#baz')
<url path: '\\\\blah\\blah\\blah', fragment: 'baz'>
Authentication credentials:
>>> url('ssh://joe:xyz@x/repo')
<url scheme: 'ssh', user: 'joe', passwd: 'xyz', host: 'x', path: 'repo'>
>>> url('ssh://joe@x/repo')
<url scheme: 'ssh', user: 'joe', host: 'x', path: 'repo'>
Query strings and fragments:
>>> url('http://host/a?b#c')
<url scheme: 'http', host: 'host', path: 'a', query: 'b', fragment: 'c'>
>>> url('http://host/a?b#c', parsequery=False, parsefragment=False)
<url scheme: 'http', host: 'host', path: 'a?b#c'>
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so Join the URL's components back into a URL string.
Examples:
>>> str(url('http://user:pw@host:80/c:/bob?fo:oo#ba:ar'))
'http://user:pw@host:80/c:/bob?fo:oo#ba:ar'
>>> str(url('http://user:pw@host:80/?foo=bar&baz=42'))
'http://user:pw@host:80/?foo=bar&baz=42'
>>> str(url('http://user:pw@host:80/?foo=bar%3dbaz'))
'http://user:pw@host:80/?foo=bar%3dbaz'
>>> str(url('ssh://user:pw@[::1]:2200//home/joe#'))
'ssh://user:pw@[::1]:2200//home/joe#'
>>> str(url('http://localhost:80//'))
'http://localhost:80//'
>>> str(url('http://localhost:80/'))
'http://localhost:80/'
>>> str(url('http://localhost:80'))
'http://localhost:80/'
>>> str(url('bundle:foo'))
'bundle:foo'
>>> str(url('bundle://../foo'))
'bundle:../foo'
>>> str(url('path'))
'path'
>>> str(url('file:///tmp/foo/bar'))
'file:///tmp/foo/bar'
>>> str(url('file:///c:/tmp/foo/bar'))
'file:///c:/tmp/foo/bar'
>>> print url(r'bundle:foo\bar')
bundle:foo\bar
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Let's prevent these potentially exploited urls entirely and warn the
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