mercurial/util.py
author Thomas Arendsen Hein <thomas@intevation.de>
Sat, 04 Aug 2007 22:27:52 +0200
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parent 5062 3d35c8cb5eb4
child 5124 a2c11f49e989
permissions -rw-r--r--
merge with crew-stable
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"""
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util.py - Mercurial utility functions and platform specfic implementations
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 Copyright 2005 K. Thananchayan <thananck@yahoo.com>
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 Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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 Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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This software may be used and distributed according to the terms
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of the GNU General Public License, incorporated herein by reference.
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This contains helper routines that are independent of the SCM core and hide
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platform-specific details from the core.
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"""
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from i18n import _
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import cStringIO, errno, getpass, popen2, re, shutil, sys, tempfile
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import os, threading, time, calendar, ConfigParser, locale, glob
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try:
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    set = set
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    frozenset = frozenset
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except NameError:
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    from sets import Set as set, ImmutableSet as frozenset
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try:
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    _encoding = os.environ.get("HGENCODING")
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    if sys.platform == 'darwin' and not _encoding:
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        # On darwin, getpreferredencoding ignores the locale environment and
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        # always returns mac-roman. We override this if the environment is
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        # not C (has been customized by the user).
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        locale.setlocale(locale.LC_CTYPE, '')
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        _encoding = locale.getlocale()[1]
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    if not _encoding:
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        _encoding = locale.getpreferredencoding() or 'ascii'
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except locale.Error:
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    _encoding = 'ascii'
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_encodingmode = os.environ.get("HGENCODINGMODE", "strict")
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_fallbackencoding = 'ISO-8859-1'
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def tolocal(s):
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    """
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    Convert a string from internal UTF-8 to local encoding
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    All internal strings should be UTF-8 but some repos before the
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    implementation of locale support may contain latin1 or possibly
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    other character sets. We attempt to decode everything strictly
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    using UTF-8, then Latin-1, and failing that, we use UTF-8 and
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    replace unknown characters.
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    """
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    for e in ('UTF-8', _fallbackencoding):
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        try:
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            u = s.decode(e) # attempt strict decoding
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            return u.encode(_encoding, "replace")
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        except LookupError, k:
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            raise Abort(_("%s, please check your locale settings") % k)
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        except UnicodeDecodeError:
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            pass
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    u = s.decode("utf-8", "replace") # last ditch
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    return u.encode(_encoding, "replace")
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def fromlocal(s):
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    """
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    Convert a string from the local character encoding to UTF-8
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    We attempt to decode strings using the encoding mode set by
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    HGENCODINGMODE, which defaults to 'strict'. In this mode, unknown
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    characters will cause an error message. Other modes include
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    'replace', which replaces unknown characters with a special
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    Unicode character, and 'ignore', which drops the character.
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    """
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    try:
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        return s.decode(_encoding, _encodingmode).encode("utf-8")
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    except UnicodeDecodeError, inst:
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        sub = s[max(0, inst.start-10):inst.start+10]
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        raise Abort("decoding near '%s': %s!" % (sub, inst))
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    except LookupError, k:
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        raise Abort(_("%s, please check your locale settings") % k)
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def locallen(s):
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    """Find the length in characters of a local string"""
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    return len(s.decode(_encoding, "replace"))
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def localsub(s, a, b=None):
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    try:
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        u = s.decode(_encoding, _encodingmode)
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        if b is not None:
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            u = u[a:b]
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        else:
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            u = u[:a]
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        return u.encode(_encoding, _encodingmode)
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    except UnicodeDecodeError, inst:
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        sub = s[max(0, inst.start-10), inst.start+10]
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        raise Abort(_("decoding near '%s': %s!") % (sub, inst))
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# used by parsedate
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defaultdateformats = (
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    '%Y-%m-%d %H:%M:%S',
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    '%Y-%m-%d %I:%M:%S%p',
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    '%Y-%m-%d %H:%M',
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    '%Y-%m-%d %I:%M%p',
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    '%Y-%m-%d',
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    '%m-%d',
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    '%m/%d',
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    '%m/%d/%y',
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    '%m/%d/%Y',
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    '%a %b %d %H:%M:%S %Y',
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    '%a %b %d %I:%M:%S%p %Y',
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    '%a, %d %b %Y %H:%M:%S',        #  GNU coreutils "/bin/date --rfc-2822"
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    '%b %d %H:%M:%S %Y',
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    '%b %d %I:%M:%S%p %Y',
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    '%b %d %H:%M:%S',
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    '%b %d %I:%M:%S%p',
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    '%b %d %H:%M',
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    '%b %d %I:%M%p',
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    '%b %d %Y',
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    '%b %d',
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    '%H:%M:%S',
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    '%I:%M:%SP',
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    '%H:%M',
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    '%I:%M%p',
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)
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extendeddateformats = defaultdateformats + (
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    "%Y",
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    "%Y-%m",
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    "%b",
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    "%b %Y",
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    )
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class SignalInterrupt(Exception):
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    """Exception raised on SIGTERM and SIGHUP."""
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# differences from SafeConfigParser:
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# - case-sensitive keys
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# - allows values that are not strings (this means that you may not
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#   be able to save the configuration to a file)
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class configparser(ConfigParser.SafeConfigParser):
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    def optionxform(self, optionstr):
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        return optionstr
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    def set(self, section, option, value):
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        return ConfigParser.ConfigParser.set(self, section, option, value)
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    def _interpolate(self, section, option, rawval, vars):
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        if not isinstance(rawval, basestring):
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            return rawval
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        return ConfigParser.SafeConfigParser._interpolate(self, section,
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                                                          option, rawval, vars)
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def cachefunc(func):
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    '''cache the result of function calls'''
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    # XXX doesn't handle keywords args
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    cache = {}
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    if func.func_code.co_argcount == 1:
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        # we gain a small amount of time because
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        # we don't need to pack/unpack the list
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        def f(arg):
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            if arg not in cache:
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                cache[arg] = func(arg)
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            return cache[arg]
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    else:
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        def f(*args):
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            if args not in cache:
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                cache[args] = func(*args)
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            return cache[args]
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    return f
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def pipefilter(s, cmd):
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    '''filter string S through command CMD, returning its output'''
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    (pin, pout) = os.popen2(cmd, 'b')
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    def writer():
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        try:
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            pin.write(s)
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            pin.close()
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        except IOError, inst:
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            if inst.errno != errno.EPIPE:
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                raise
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    # we should use select instead on UNIX, but this will work on most
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    # systems, including Windows
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    w = threading.Thread(target=writer)
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    w.start()
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    f = pout.read()
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    pout.close()
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    w.join()
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    return f
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def tempfilter(s, cmd):
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    '''filter string S through a pair of temporary files with CMD.
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    CMD is used as a template to create the real command to be run,
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    with the strings INFILE and OUTFILE replaced by the real names of
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    the temporary files generated.'''
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    inname, outname = None, None
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    try:
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        infd, inname = tempfile.mkstemp(prefix='hg-filter-in-')
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        fp = os.fdopen(infd, 'wb')
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        fp.write(s)
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        fp.close()
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        outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-')
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        os.close(outfd)
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        cmd = cmd.replace('INFILE', inname)
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        cmd = cmd.replace('OUTFILE', outname)
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        code = os.system(cmd)
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Jean-Francois PIERONNE <jf.pieronne@laposte.net>
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   205
        if sys.platform == 'OpenVMS' and code & 1:
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   206
            code = 0
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9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
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   207
        if code: raise Abort(_("command '%s' failed: %s") %
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   208
                             (cmd, explain_exit(code)))
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        return open(outname, 'rb').read()
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   210
    finally:
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        try:
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   212
            if inname: os.unlink(inname)
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   213
        except: pass
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        try:
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   215
            if outname: os.unlink(outname)
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        except: pass
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   217
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filtertable = {
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    'tempfile:': tempfilter,
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    'pipe:': pipefilter,
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   221
    }
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   222
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   223
def filter(s, cmd):
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   224
    "filter a string through a command that transforms its input to its output"
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   225
    for name, fn in filtertable.iteritems():
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   226
        if cmd.startswith(name):
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   227
            return fn(s, cmd[len(name):].lstrip())
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   228
    return pipefilter(s, cmd)
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   229
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22571b8d35d3 Add automatic binary file detection to diff and export
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   230
def binary(s):
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ce96e316278a Update util.py docstrings, fix walk test
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   231
    """return true if a string is binary data using diff's heuristic"""
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   232
    if s and '\0' in s[:4096]:
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   233
        return True
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   234
    return False
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   235
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f6c6fa15ff70 Move dirstate.uniq to util.unique
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   236
def unique(g):
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ce96e316278a Update util.py docstrings, fix walk test
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   237
    """return the uniq elements of iterable g"""
556
f6c6fa15ff70 Move dirstate.uniq to util.unique
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   238
    seen = {}
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4d97184a06ad Make util.unique return a list
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   239
    l = []
556
f6c6fa15ff70 Move dirstate.uniq to util.unique
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   240
    for f in g:
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   241
        if f not in seen:
f6c6fa15ff70 Move dirstate.uniq to util.unique
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   242
            seen[f] = 1
3535
4d97184a06ad Make util.unique return a list
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   243
            l.append(f)
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   244
    return l
556
f6c6fa15ff70 Move dirstate.uniq to util.unique
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   245
870
a82eae840447 Teach walk code about absolute paths.
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   246
class Abort(Exception):
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   247
    """Raised if a command needs to print an error and exit."""
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42a660abaf75 [PATCH] Harden os.system
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   248
3564
eda9e7c9300d New UnexpectedOutput exception to catch server errors in localrepo.stream_in
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   249
class UnexpectedOutput(Abort):
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   250
    """Raised to print an error with part of output and exit."""
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   251
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   252
def always(fn): return True
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   253
def never(fn): return False
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   254
4054
e6d54283c090 Explicitly expand globs on Windows
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   255
def expand_glob(pats):
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   256
    '''On Windows, expand the implicit globs in a list of patterns'''
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   257
    if os.name != 'nt':
e6d54283c090 Explicitly expand globs on Windows
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   258
        return list(pats)
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   259
    ret = []
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   260
    for p in pats:
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   261
        kind, name = patkind(p, None)
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   262
        if kind is None:
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   263
            globbed = glob.glob(name)
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diff changeset
   264
            if globbed:
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   265
                ret.extend(globbed)
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   266
                continue
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   267
            # if we couldn't expand the glob, just keep it around
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        ret.append(p)
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    return ret
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   271
def patkind(name, dflt_pat='glob'):
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    """Split a string into an optional pattern kind prefix and the
cc2a2e12f4ad export patkind() from util
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   273
    actual pattern."""
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   274
    for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre':
cc2a2e12f4ad export patkind() from util
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        if name.startswith(prefix + ':'): return name.split(':', 1)
cc2a2e12f4ad export patkind() from util
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   276
    return dflt_pat, name
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   277
1062
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   278
def globre(pat, head='^', tail='$'):
724
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    "convert a glob pattern into a regexp"
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    i, n = 0, len(pat)
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    res = ''
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    group = False
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   283
    def peek(): return i < n and pat[i]
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   284
    while i < n:
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   285
        c = pat[i]
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   286
        i = i+1
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   287
        if c == '*':
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   288
            if peek() == '*':
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   289
                i += 1
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   290
                res += '.*'
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   291
            else:
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   292
                res += '[^/]*'
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   293
        elif c == '?':
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   294
            res += '.'
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   295
        elif c == '[':
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   296
            j = i
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   297
            if j < n and pat[j] in '!]':
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   298
                j += 1
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   299
            while j < n and pat[j] != ']':
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   300
                j += 1
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   301
            if j >= n:
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   302
                res += '\\['
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   303
            else:
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   304
                stuff = pat[i:j].replace('\\','\\\\')
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   305
                i = j + 1
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   306
                if stuff[0] == '!':
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   307
                    stuff = '^' + stuff[1:]
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   308
                elif stuff[0] == '^':
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   309
                    stuff = '\\' + stuff
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   310
                res = '%s[%s]' % (res, stuff)
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   311
        elif c == '{':
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            group = True
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   313
            res += '(?:'
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   314
        elif c == '}' and group:
1c0c413cccdd Get add and locate to use new repo and dirstate walk code.
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   315
            res += ')'
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   316
            group = False
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   317
        elif c == ',' and group:
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   318
            res += '|'
1990
4b0535c678d6 make it possible to escape characters in a glob expression
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1976
diff changeset
   319
        elif c == '\\':
4b0535c678d6 make it possible to escape characters in a glob expression
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parents: 1976
diff changeset
   320
            p = peek()
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parents: 1976
diff changeset
   321
            if p:
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parents: 1976
diff changeset
   322
                i += 1
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parents: 1976
diff changeset
   323
                res += re.escape(p)
4b0535c678d6 make it possible to escape characters in a glob expression
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parents: 1976
diff changeset
   324
            else:
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parents: 1976
diff changeset
   325
                res += re.escape(c)
724
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   326
        else:
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   327
            res += re.escape(c)
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   328
    return head + res + tail
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   329
812
b65af904d6d7 Reduce the amount of stat traffic generated by a walk.
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diff changeset
   330
_globchars = {'[': 1, '{': 1, '*': 1, '?': 1}
b65af904d6d7 Reduce the amount of stat traffic generated by a walk.
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parents: 782
diff changeset
   331
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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parents: 4129
diff changeset
   332
def pathto(root, n1, n2):
886
509de8ab6f31 Fix walk path handling on Windows
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parents: 884
diff changeset
   333
    '''return the relative path from one place to another.
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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parents: 4129
diff changeset
   334
    root should use os.sep to separate directories
3669
48768b1ab23c fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3629
diff changeset
   335
    n1 should use os.sep to separate directories
48768b1ab23c fix util.pathto
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3629
diff changeset
   336
    n2 should use "/" to separate directories
48768b1ab23c fix util.pathto
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parents: 3629
diff changeset
   337
    returns an os.sep-separated path.
4229
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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parents: 4129
diff changeset
   338
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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parents: 4129
diff changeset
   339
    If n1 is a relative path, it's assumed it's
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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diff changeset
   340
    relative to root.
24c22a3f2ef8 pass repo.root to util.pathto() in preparation for the next patch
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parents: 4129
diff changeset
   341
    n2 should always be relative to root.
3669
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parents: 3629
diff changeset
   342
    '''
886
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diff changeset
   343
    if not n1: return localpath(n2)
4230
c93562fb12cc Fix handling of paths when run outside the repo.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4229
diff changeset
   344
    if os.path.isabs(n1):
c93562fb12cc Fix handling of paths when run outside the repo.
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parents: 4229
diff changeset
   345
        if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]:
c93562fb12cc Fix handling of paths when run outside the repo.
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parents: 4229
diff changeset
   346
            return os.path.join(root, localpath(n2))
c93562fb12cc Fix handling of paths when run outside the repo.
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parents: 4229
diff changeset
   347
        n2 = '/'.join((pconvert(root), n2))
3669
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parents: 3629
diff changeset
   348
    a, b = n1.split(os.sep), n2.split('/')
1541
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   349
    a.reverse()
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   350
    b.reverse()
884
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   351
    while a and b and a[-1] == b[-1]:
1541
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   352
        a.pop()
bf4e7ef08741 fixed some stuff pychecker shows, marked unclear/wrong stuff with XXX
twaldmann@thinkmo.de
parents: 1528
diff changeset
   353
        b.pop()
884
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   354
    b.reverse()
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   355
    return os.sep.join((['..'] * len(a)) + b)
087771ebe2e6 Fix walk code for files that do not exist anywhere, and unhandled types.
Bryan O'Sullivan <bos@serpentine.com>
parents: 878
diff changeset
   356
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   357
def canonpath(root, cwd, myname):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   358
    """return the canonical path of myname, given cwd and root"""
1566
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   359
    if root == os.sep:
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   360
        rootsep = os.sep
2271
90b122730d32 Make it possible to use the root directory as the root of a repository.
Manpreet Singh <junkblocker@yahoo.com>
parents: 2263
diff changeset
   361
    elif root.endswith(os.sep):
90b122730d32 Make it possible to use the root directory as the root of a repository.
Manpreet Singh <junkblocker@yahoo.com>
parents: 2263
diff changeset
   362
        rootsep = root
1566
8befbb4e30b2 Handle hg under /
Arun Sharma <arun@sharma-home.net>
parents: 1563
diff changeset
   363
    else:
1810
7596611ab3d5 Whitespace, tab and formatting cleanups, mainly in mq.py
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1635
diff changeset
   364
        rootsep = root + os.sep
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   365
    name = myname
2090
eb40db373717 fix util.canonpath on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2085
diff changeset
   366
    if not os.path.isabs(name):
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   367
        name = os.path.join(root, cwd, name)
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   368
    name = os.path.normpath(name)
2278
3711e23ab10a Make hg status work for repositories in root directory on windows (issue 228)
Manpreet Singh <junkblocker@yahoo.com>
parents: 2271
diff changeset
   369
    if name != rootsep and name.startswith(rootsep):
1976
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   370
        name = name[len(rootsep):]
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   371
        audit_path(name)
df8416346bb7 Enable path validation for copy, rename, debugwalk and other canonpath users.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1958
diff changeset
   372
        return pconvert(name)
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   373
    elif name == root:
870
a82eae840447 Teach walk code about absolute paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 869
diff changeset
   374
        return ''
a82eae840447 Teach walk code about absolute paths.
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parents: 869
diff changeset
   375
    else:
2115
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   376
        # Determine whether `name' is in the hierarchy at or beneath `root',
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   377
        # by iterating name=dirname(name) until that causes no change (can't
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   378
        # check name == '/', because that doesn't work on windows).  For each
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   379
        # `name', compare dev/inode numbers.  If they match, the list `rel'
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   380
        # holds the reversed list of components making up the relative file
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   381
        # name we want.
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   382
        root_st = os.stat(root)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   383
        rel = []
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   384
        while True:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   385
            try:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   386
                name_st = os.stat(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   387
            except OSError:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   388
                break
2193
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
   389
            if samestat(name_st, root_st):
4086
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   390
                if not rel:
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   391
                    # name was actually the same as root (maybe a symlink)
cc8a52229620 Fix accessing the repo through a symlink.
Jun Inoue <jun.lambda@gmail.com>
parents: 4067
diff changeset
   392
                    return ''
2115
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   393
                rel.reverse()
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   394
                name = os.path.join(*rel)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   395
                audit_path(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   396
                return pconvert(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   397
            dirname, basename = os.path.split(name)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   398
            rel.append(basename)
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   399
            if dirname == name:
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   400
                break
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   401
            name = dirname
fd77b7ee4aac Fix issue 165: `hg status' with abs path containing a symlink-to-dir fails
Jim Meyering <list+hg@meyering.net>
parents: 2096
diff changeset
   402
1081
8b7d63489db3 Change canonpath to not know about repo objects
mpm@selenic.com
parents: 1075
diff changeset
   403
        raise Abort('%s not under root' % myname)
897
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   404
4197
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   405
def matcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None):
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   406
    return _matcher(canonroot, cwd, names, inc, exc, 'glob', src)
1413
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   407
4197
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   408
def cmdmatcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None,
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   409
               globbed=False, default=None):
4195
e8ee8fdeddb1 change locate to use relglobs by default
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4193
diff changeset
   410
    default = default or 'relpath'
e8ee8fdeddb1 change locate to use relglobs by default
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4193
diff changeset
   411
    if default == 'relpath' and not globbed:
4055
e37786b29bed docopy: deal with globs on windows in a better way
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4054
diff changeset
   412
        names = expand_glob(names)
4197
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   413
    return _matcher(canonroot, cwd, names, inc, exc, default, src)
1413
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   414
4197
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   415
def _matcher(canonroot, cwd, names, inc, exc, dflt_pat, src):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   416
    """build a function to match a set of file patterns
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   417
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   418
    arguments:
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   419
    canonroot - the canonical root of the tree you're matching against
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   420
    cwd - the current working directory, if relevant
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   421
    names - patterns to find
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   422
    inc - patterns to include
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   423
    exc - patterns to exclude
4185
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   424
    dflt_pat - if a pattern in names has no explicit type, assume this one
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   425
    src - where these patterns came from (e.g. .hgignore)
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   426
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   427
    a pattern is one of:
4185
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   428
    'glob:<glob>' - a glob relative to cwd
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   429
    're:<regexp>' - a regular expression
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   430
    'path:<path>' - a path relative to canonroot
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   431
    'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs)
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   432
    'relpath:<path>' - a path relative to cwd
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   433
    'relre:<regexp>' - a regexp that doesn't have to match the start of a name
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   434
    '<something>' - one of the cases above, selected by the dflt_pat argument
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   435
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   436
    returns:
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   437
    a 3-tuple containing
4185
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   438
    - list of roots (places where one should start a recursive walk of the fs);
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   439
      this often matches the explicit non-pattern names passed in, but also
51ee2868a571 util._matcher: update comments
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4183
diff changeset
   440
      includes the initial part of glob: patterns that has no glob characters
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   441
    - a bool match(filename) function
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   442
    - a bool indicating if any patterns were passed in
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   443
    """
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   444
4198
9e3121017fb2 Optimize return value of util._matcher for common command line case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4197
diff changeset
   445
    # a common case: no patterns at all
9e3121017fb2 Optimize return value of util._matcher for common command line case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4197
diff changeset
   446
    if not names and not inc and not exc:
9e3121017fb2 Optimize return value of util._matcher for common command line case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4197
diff changeset
   447
        return [], always, False
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   448
1413
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   449
    def contains_glob(name):
812
b65af904d6d7 Reduce the amount of stat traffic generated by a walk.
Bryan O'Sullivan <bos@serpentine.com>
parents: 782
diff changeset
   450
        for c in name:
1413
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   451
            if c in _globchars: return True
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   452
        return False
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   453
888
e7a943e8c52b Fix up handling of regexp paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 886
diff changeset
   454
    def regex(kind, name, tail):
742
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   455
        '''convert a pattern into a regular expression'''
4190
769bc4af561d util.*matcher: change default "names" argument
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4189
diff changeset
   456
        if not name:
769bc4af561d util.*matcher: change default "names" argument
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4189
diff changeset
   457
            return ''
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   458
        if kind == 're':
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   459
            return name
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   460
        elif kind == 'path':
888
e7a943e8c52b Fix up handling of regexp paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 886
diff changeset
   461
            return '^' + re.escape(name) + '(?:/|$)'
1270
fc3b41570082 Switch to new syntax for .hgignore files.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1258
diff changeset
   462
        elif kind == 'relglob':
4307
702f48570eb3 change relglob: patterns to be consistent with glob: patterns
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4306
diff changeset
   463
            return globre(name, '(?:|.*/)', tail)
888
e7a943e8c52b Fix up handling of regexp paths.
Bryan O'Sullivan <bos@serpentine.com>
parents: 886
diff changeset
   464
        elif kind == 'relpath':
4197
492d0d5b6976 remove unused "head" hack from util._matcher
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4195
diff changeset
   465
            return re.escape(name) + '(?:/|$)'
1270
fc3b41570082 Switch to new syntax for .hgignore files.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1258
diff changeset
   466
        elif kind == 'relre':
fc3b41570082 Switch to new syntax for .hgignore files.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1258
diff changeset
   467
            if name.startswith('^'):
fc3b41570082 Switch to new syntax for .hgignore files.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1258
diff changeset
   468
                return name
fc3b41570082 Switch to new syntax for .hgignore files.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1258
diff changeset
   469
            return '.*' + name
4306
6cecaec07cc9 Revert changeset ef1f1a4b2efb; add another test for glob: patterns
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4255
diff changeset
   470
        return globre(name, '', tail)
742
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   471
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   472
    def matchfn(pats, tail):
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   473
        """build a matching function from a set of patterns"""
1454
f4250806dbeb further fix traceback on invalid .hgignore patterns
Benoit Boissinot <mercurial-bugs@selenic.com>
parents: 1446
diff changeset
   474
        if not pats:
f4250806dbeb further fix traceback on invalid .hgignore patterns
Benoit Boissinot <mercurial-bugs@selenic.com>
parents: 1446
diff changeset
   475
            return
4371
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   476
        try:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   477
            pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats])
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   478
            return re.compile(pat).match
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   479
        except re.error:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   480
            for k, p in pats:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   481
                try:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   482
                    re.compile('(?:%s)' % regex(k, p, tail))
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   483
                except re.error:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   484
                    if src:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   485
                        raise Abort("%s: invalid pattern (%s): %s" %
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   486
                                    (src, k, p))
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   487
                    else:
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   488
                        raise Abort("invalid pattern (%s): %s" % (k, p))
d7ad1e42a368 util._matcher: speed up regexp matching.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4338
diff changeset
   489
            raise Abort("invalid pattern")
742
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   490
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   491
    def globprefix(pat):
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   492
        '''return the non-glob prefix of a path, e.g. foo/* -> foo'''
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   493
        root = []
4183
6f9474044736 small globprefix fix
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4129
diff changeset
   494
        for p in pat.split('/'):
1413
1c64c628d15f Do not use 'glob' expansion by default on OS != 'nt'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1402
diff changeset
   495
            if contains_glob(p): break
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   496
            root.append(p)
4187
01c4ea5e788c A 'glob:foo?bar' pattern determines a root - the tree root
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4185
diff changeset
   497
        return '/'.join(root) or '.'
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   498
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   499
    def normalizepats(names, default):
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   500
        pats = []
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   501
        roots = []
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   502
        anypats = False
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   503
        for kind, name in [patkind(p, default) for p in names]:
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   504
            if kind in ('glob', 'relpath'):
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   505
                name = canonpath(canonroot, cwd, name)
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   506
            elif kind in ('relglob', 'path'):
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   507
                name = normpath(name)
4236
34c4540c04c5 util._matcher: remove superfluous variable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4233
diff changeset
   508
34c4540c04c5 util._matcher: remove superfluous variable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4233
diff changeset
   509
            pats.append((kind, name))
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   510
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   511
            if kind in ('glob', 're', 'relglob', 'relre'):
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   512
                anypats = True
4236
34c4540c04c5 util._matcher: remove superfluous variable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4233
diff changeset
   513
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   514
            if kind == 'glob':
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   515
                root = globprefix(name)
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   516
                roots.append(root)
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   517
            elif kind in ('relpath', 'path'):
4233
03a665f9f913 util._matcher: use "." as the root of empty {rel,}path patterns
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4199
diff changeset
   518
                roots.append(name or '.')
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   519
            elif kind == 'relglob':
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   520
                roots.append('.')
4236
34c4540c04c5 util._matcher: remove superfluous variable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4233
diff changeset
   521
        return roots, pats, anypats
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   522
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   523
    roots, pats, anypats = normalizepats(names, dflt_pat)
897
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   524
820
89985a1b3427 Clean up walk and changes code to use normalised names properly.
Bryan O'Sullivan <bos@serpentine.com>
parents: 814
diff changeset
   525
    patmatch = matchfn(pats, '$') or always
897
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   526
    incmatch = always
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   527
    if inc:
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   528
        dummy, inckinds, dummy = normalizepats(inc, 'glob')
2480
519a1011db91 fix -I/-X when relative paths used or in subdir
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2471
diff changeset
   529
        incmatch = matchfn(inckinds, '(?:/|$)')
897
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   530
    excmatch = lambda fn: False
fe30f5434b51 Fix bug with empty inc and exc
mpm@selenic.com
parents: 896
diff changeset
   531
    if exc:
4192
9814d600011e util._matcher: unify pattern normalization
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4190
diff changeset
   532
        dummy, exckinds, dummy = normalizepats(exc, 'glob')
2480
519a1011db91 fix -I/-X when relative paths used or in subdir
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2471
diff changeset
   533
        excmatch = matchfn(exckinds, '(?:/|$)')
742
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   534
4199
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   535
    if not names and inc and not exc:
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   536
        # common case: hgignore patterns
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   537
        match = incmatch
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   538
    else:
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   539
        match = lambda fn: incmatch(fn) and not excmatch(fn) and patmatch(fn)
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   540
ec932167c3a7 Optimize return value of util._matcher for hgignore case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4198
diff changeset
   541
    return (roots, match, (inc or exc or anypats) and True)
742
092937de2ad7 Refactor matchpats and walk
mpm@selenic.com
parents: 740
diff changeset
   542
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   543
_hgexecutable = None
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   544
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   545
def hgexecutable():
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   546
    """return location of the 'hg' executable.
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   547
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   548
    Defaults to $HG or 'hg' in the search path.
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   549
    """
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   550
    if _hgexecutable is None:
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   551
        set_hgexecutable(os.environ.get('HG') or find_exe('hg', 'hg'))
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   552
    return _hgexecutable
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   553
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   554
def set_hgexecutable(path):
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   555
    """set location of the 'hg' executable"""
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   556
    global _hgexecutable
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   557
    _hgexecutable = path
4686
849f011dbf79 Remember path to 'hg' executable and pass to external tools and hooks as $HG.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4673
diff changeset
   558
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   559
def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None):
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   560
    '''enhanced shell command execution.
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   561
    run with environment maybe modified, maybe in different dir.
508
42a660abaf75 [PATCH] Harden os.system
mpm@selenic.com
parents: 464
diff changeset
   562
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   563
    if command fails and onerr is None, return status.  if ui object,
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   564
    print error message and return status, else raise onerr object as
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   565
    exception.'''
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   566
    def py2shell(val):
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   567
        'convert python object into string that is useful to shell'
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   568
        if val in (None, False):
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   569
            return '0'
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   570
        if val == True:
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   571
            return '1'
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   572
        return str(val)
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   573
    oldenv = {}
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   574
    for k in environ:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   575
        oldenv[k] = os.environ.get(k)
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   576
    if cwd is not None:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   577
        oldcwd = os.getcwd()
3905
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   578
    origcmd = cmd
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   579
    if os.name == 'nt':
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   580
        cmd = '"%s"' % cmd
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   581
    try:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   582
        for k, v in environ.iteritems():
2601
00fc88b0b256 move most of tag code to localrepository class.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2579
diff changeset
   583
            os.environ[k] = py2shell(v)
5062
3d35c8cb5eb4 Simplify/correct finding the hg executable (fixes issue644)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4832
diff changeset
   584
        os.environ['HG'] = hgexecutable()
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   585
        if cwd is not None and oldcwd != cwd:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   586
            os.chdir(cwd)
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   587
        rc = os.system(cmd)
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
   588
        if sys.platform == 'OpenVMS' and rc & 1:
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
   589
            rc = 0
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   590
        if rc and onerr:
3905
a8c0365b2ace util.system: fix quoting on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3860
diff changeset
   591
            errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]),
1882
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   592
                                explain_exit(rc)[0])
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   593
            if errprefix:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   594
                errmsg = '%s: %s' % (errprefix, errmsg)
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   595
            try:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   596
                onerr.warn(errmsg + '\n')
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   597
            except AttributeError:
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   598
                raise onerr(errmsg)
c0320567931f merge util.esystem and util.system.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1880
diff changeset
   599
        return rc
1880
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   600
    finally:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   601
        for k, v in oldenv.iteritems():
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   602
            if v is None:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   603
                del os.environ[k]
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   604
            else:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   605
                os.environ[k] = v
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   606
        if cwd is not None and oldcwd != cwd:
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   607
            os.chdir(oldcwd)
05c7d75be925 fix broken environment save/restore when a hook runs.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1877
diff changeset
   608
4281
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   609
# os.path.lexists is not available on python2.3
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   610
def lexists(filename):
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   611
    "test whether a file with this name exists. does not follow symlinks"
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   612
    try:
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   613
        os.lstat(filename)
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   614
    except:
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   615
        return False
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   616
    return True
384672d8080f add util.lexists
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4275
diff changeset
   617
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   618
def rename(src, dst):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   619
    """forcibly rename a file"""
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   620
    try:
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   621
        os.rename(src, dst)
4956
02b127749dc0 fix unused variables reported by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 4948
diff changeset
   622
    except OSError, err: # FIXME: check err (EEXIST ?)
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   623
        # on windows, rename to existing file is not allowed, so we
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   624
        # must delete destination first. but if file is open, unlink
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   625
        # schedules it for delete but does not delete it. rename
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   626
        # happens immediately even for open files, so we create
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   627
        # temporary file, delete it, rename destination to that name,
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   628
        # then delete that. then rename is safe to do.
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   629
        fd, temp = tempfile.mkstemp(dir=os.path.dirname(dst) or '.')
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   630
        os.close(fd)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   631
        os.unlink(temp)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   632
        os.rename(dst, temp)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   633
        os.unlink(temp)
421
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   634
        os.rename(src, dst)
43b8da7420a9 [PATCH] rename under the other OS
mpm@selenic.com
parents: 419
diff changeset
   635
1415
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   636
def unlink(f):
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   637
    """unlink and remove the directory if it is empty"""
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   638
    os.unlink(f)
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   639
    # try removing directories that might now be empty
2064
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   640
    try:
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   641
        os.removedirs(os.path.dirname(f))
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   642
    except OSError:
547ede0123a2 util.unlink should only catch OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2054
diff changeset
   643
        pass
1415
c6e6ca96a033 refactor some unlink/remove code and make sure we prune empty dir
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1413
diff changeset
   644
3629
4cfb72bcb978 util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents: 3568
diff changeset
   645
def copyfile(src, dest):
4cfb72bcb978 util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents: 3568
diff changeset
   646
    "copy a file, preserving mode"
4271
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   647
    if os.path.islink(src):
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   648
        try:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   649
            os.unlink(dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   650
        except:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   651
            pass
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   652
        os.symlink(os.readlink(src), dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   653
    else:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   654
        try:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   655
            shutil.copyfile(src, dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   656
            shutil.copymode(src, dest)
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   657
        except shutil.Error, inst:
1eaa8d90c689 fix util.copyfile to deal with symlinks
Eric St-Jean <esj@wwd.ca>
parents: 4256
diff changeset
   658
            raise Abort(str(inst))
3629
4cfb72bcb978 util: add copyfile function
Matt Mackall <mpm@selenic.com>
parents: 3568
diff changeset
   659
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   660
def copyfiles(src, dst, hardlink=None):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   661
    """Copy a directory tree using hardlinks if possible"""
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   662
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   663
    if hardlink is None:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   664
        hardlink = (os.stat(src).st_dev ==
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   665
                    os.stat(os.path.dirname(dst)).st_dev)
698
df78d8ccac4c Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 667
diff changeset
   666
1207
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   667
    if os.path.isdir(src):
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   668
        os.mkdir(dst)
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   669
        for name in os.listdir(src):
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   670
            srcname = os.path.join(src, name)
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   671
            dstname = os.path.join(dst, name)
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   672
            copyfiles(srcname, dstname, hardlink)
1207
a7b8812973d9 Rewrite copytree as copyfiles
mpm@selenic.com
parents: 1200
diff changeset
   673
    else:
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   674
        if hardlink:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   675
            try:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   676
                os_link(src, dst)
2050
e49d0fa38176 util.copyfiles: only switch to copy if hardlink raises IOError or OSError.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2026
diff changeset
   677
            except (IOError, OSError):
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   678
                hardlink = False
1591
5a3229cf1492 do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
   679
                shutil.copy(src, dst)
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   680
        else:
1591
5a3229cf1492 do not copy atime and mtime in util.copyfiles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
   681
            shutil.copy(src, dst)
698
df78d8ccac4c Use python function instead of external 'cp' command when cloning repos.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 667
diff changeset
   682
1835
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   683
def audit_path(path):
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   684
    """Abort if path contains dangerous components"""
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   685
    parts = os.path.normcase(path).split(os.sep)
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   686
    if (os.path.splitdrive(path)[0] or parts[0] in ('.hg', '')
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   687
        or os.pardir in parts):
4533
36abb07c79d4 Removed trailing \n in calls to util.Abort()
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4516
diff changeset
   688
        raise Abort(_("path contains illegal component: %s") % path)
1835
bdfb524d728a Validate paths before reading or writing files in repository or working dir.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1830
diff changeset
   689
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   690
def _makelock_file(info, pathname):
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   691
    ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   692
    os.write(ld, info)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   693
    os.close(ld)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   694
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   695
def _readlock_file(pathname):
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   696
    return posixfile(pathname).read()
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   697
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   698
def nlinks(pathname):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   699
    """Return number of hardlinks for the given file."""
2448
b77a2ef61b81 replace os.stat with os.lstat in some where.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2314
diff changeset
   700
    return os.lstat(pathname).st_nlink
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   701
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   702
if hasattr(os, 'link'):
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   703
    os_link = os.link
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   704
else:
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   705
    def os_link(src, dst):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
   706
        raise OSError(0, _("Hardlinks not supported"))
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   707
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   708
def fstat(fp):
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   709
    '''stat file object that may not have fileno method.'''
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   710
    try:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   711
        return os.fstat(fp.fileno())
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   712
    except AttributeError:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   713
        return os.stat(fp.name)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   714
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   715
posixfile = file
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
   716
2250
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   717
def is_win_9x():
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   718
    '''return true if run on windows 95, 98 or me.'''
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   719
    try:
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   720
        return sys.getwindowsversion()[3] == 1
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   721
    except AttributeError:
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   722
        return os.name == 'nt' and 'command' in os.environ.get('comspec', '')
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   723
3721
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   724
getuser_fallback = None
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   725
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   726
def getuser():
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   727
    '''return name of current user'''
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   728
    try:
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   729
        return getpass.getuser()
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   730
    except ImportError:
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   731
        # import of pwd will fail on windows - try fallback
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   732
        if getuser_fallback:
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   733
            return getuser_fallback()
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   734
    # raised if win32api not available
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   735
    raise Abort(_('user name not available - set USERNAME '
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   736
                  'environment variable'))
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3677
diff changeset
   737
3551
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   738
def username(uid=None):
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   739
    """Return the name of the user with the given uid.
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   740
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   741
    If uid is None, return the name of the current user."""
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   742
    try:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   743
        import pwd
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   744
        if uid is None:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   745
            uid = os.getuid()
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   746
        try:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   747
            return pwd.getpwuid(uid)[0]
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   748
        except KeyError:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   749
            return str(uid)
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   750
    except ImportError:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   751
        return None
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   752
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   753
def groupname(gid=None):
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   754
    """Return the name of the group with the given gid.
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   755
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   756
    If gid is None, return the name of the current group."""
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   757
    try:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   758
        import grp
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   759
        if gid is None:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   760
            gid = os.getgid()
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   761
        try:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   762
            return grp.getgrgid(gid)[0]
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   763
        except KeyError:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   764
            return str(gid)
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   765
    except ImportError:
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   766
        return None
3b07e223534b Only read .hg/hgrc files from trusted users/groups
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3466
diff changeset
   767
3784
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   768
# File system features
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   769
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   770
def checkfolding(path):
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   771
    """
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   772
    Check whether the given path is on a case-sensitive filesystem
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   773
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   774
    Requires a path (like /foo/.hg) ending with a foldable final
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   775
    directory component.
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   776
    """
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   777
    s1 = os.stat(path)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   778
    d, b = os.path.split(path)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   779
    p2 = os.path.join(d, b.upper())
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   780
    if path == p2:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   781
        p2 = os.path.join(d, b.lower())
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   782
    try:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   783
        s2 = os.stat(p2)
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   784
        if s2 == s1:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   785
            return False
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   786
        return True
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   787
    except:
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   788
        return True
1427949b8f80 imported patch folding
Matt Mackall <mpm@selenic.com>
parents: 3770
diff changeset
   789
3994
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   790
def checkexec(path):
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   791
    """
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   792
    Check whether the given path is on a filesystem with UNIX-like exec flags
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   793
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   794
    Requires a directory (like /foo/.hg)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   795
    """
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   796
    fh, fn = tempfile.mkstemp("", "", path)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   797
    os.close(fh)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   798
    m = os.stat(fn).st_mode
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   799
    os.chmod(fn, m ^ 0111)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   800
    r = (os.stat(fn).st_mode != m)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   801
    os.unlink(fn)
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   802
    return r
1cc60eebc71f exec: checkexec checks whether filesystem supports exec flags
Matt Mackall <mpm@selenic.com>
parents: 3906
diff changeset
   803
3996
c190df14338c exec: add execfunc to simplify exec flag support on non-exec filesystems
Matt Mackall <mpm@selenic.com>
parents: 3995
diff changeset
   804
def execfunc(path, fallback):
c190df14338c exec: add execfunc to simplify exec flag support on non-exec filesystems
Matt Mackall <mpm@selenic.com>
parents: 3995
diff changeset
   805
    '''return an is_exec() function with default to fallback'''
c190df14338c exec: add execfunc to simplify exec flag support on non-exec filesystems
Matt Mackall <mpm@selenic.com>
parents: 3995
diff changeset
   806
    if checkexec(path):
3997
3f0ba82c103f exec: remove last flag from is_exec
Matt Mackall <mpm@selenic.com>
parents: 3996
diff changeset
   807
        return lambda x: is_exec(os.path.join(path, x))
3996
c190df14338c exec: add execfunc to simplify exec flag support on non-exec filesystems
Matt Mackall <mpm@selenic.com>
parents: 3995
diff changeset
   808
    return fallback
c190df14338c exec: add execfunc to simplify exec flag support on non-exec filesystems
Matt Mackall <mpm@selenic.com>
parents: 3995
diff changeset
   809
4002
d7b9ec589546 symlinks: use is_link wherever is_exec is used
Matt Mackall <mpm@selenic.com>
parents: 4000
diff changeset
   810
def checklink(path):
3998
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   811
    """check whether the given path is on a symlink-capable filesystem"""
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   812
    # mktemp is not racy because symlink creation will fail if the
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   813
    # file already exists
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   814
    name = tempfile.mktemp(dir=path)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   815
    try:
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   816
        os.symlink(".", name)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   817
        os.unlink(name)
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   818
        return True
4017
ea6174c96ae1 catch AttributeError in util.checklink
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4002
diff changeset
   819
    except (OSError, AttributeError):
3998
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   820
        return False
315d47991fd4 symlinks: check whether a filesystem supports symlinks
Matt Mackall <mpm@selenic.com>
parents: 3997
diff changeset
   821
4000
3297aa945cf2 symlinks: add a linkfunc
Matt Mackall <mpm@selenic.com>
parents: 3999
diff changeset
   822
def linkfunc(path, fallback):
3297aa945cf2 symlinks: add a linkfunc
Matt Mackall <mpm@selenic.com>
parents: 3999
diff changeset
   823
    '''return an is_link() function with default to fallback'''
3297aa945cf2 symlinks: add a linkfunc
Matt Mackall <mpm@selenic.com>
parents: 3999
diff changeset
   824
    if checklink(path):
4275
81402b2b294d use os.path.islink instead of util.is_link; remove util.is_link
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4271
diff changeset
   825
        return lambda x: os.path.islink(os.path.join(path, x))
4000
3297aa945cf2 symlinks: add a linkfunc
Matt Mackall <mpm@selenic.com>
parents: 3999
diff changeset
   826
    return fallback
3297aa945cf2 symlinks: add a linkfunc
Matt Mackall <mpm@selenic.com>
parents: 3999
diff changeset
   827
4327
aba90193f4e4 cache os.umask even on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4326
diff changeset
   828
_umask = os.umask(0)
aba90193f4e4 cache os.umask even on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4326
diff changeset
   829
os.umask(_umask)
aba90193f4e4 cache os.umask even on windows
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4326
diff changeset
   830
4434
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   831
def needbinarypatch():
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   832
    """return True if patches should be applied in binary mode by default."""
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   833
    return os.name == 'nt'
439b1c35348a Fix issue483 - mq does not work under windows with gnu-win32 patch.
Patrick Mezard <pmezard@gmail.com>
parents: 4407
diff changeset
   834
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
   835
# Platform specific variants
419
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
   836
if os.name == 'nt':
3877
abaee83ce0a6 Replace demandload with new demandimport
Matt Mackall <mpm@selenic.com>
parents: 3860
diff changeset
   837
    import msvcrt
461
9ae0034f2772 [PATCH] /dev/null for other OS
mpm@selenic.com
parents: 441
diff changeset
   838
    nulldev = 'NUL:'
1609
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   839
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   840
    class winstdout:
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   841
        '''stdout on windows misbehaves if sent through a pipe'''
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   842
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   843
        def __init__(self, fp):
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   844
            self.fp = fp
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   845
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   846
        def __getattr__(self, key):
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   847
            return getattr(self.fp, key)
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   848
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   849
        def close(self):
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   850
            try:
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   851
                self.fp.close()
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   852
            except: pass
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   853
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   854
        def write(self, s):
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   855
            try:
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   856
                return self.fp.write(s)
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   857
            except IOError, inst:
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   858
                if inst.errno != 0: raise
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   859
                self.close()
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   860
                raise IOError(errno.EPIPE, 'Broken pipe')
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   861
4129
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   862
        def flush(self):
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   863
            try:
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   864
                return self.fp.flush()
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   865
            except IOError, inst:
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   866
                if inst.errno != errno.EINVAL: raise
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   867
                self.close()
e817c68edfed stdout raises EINVAL when flush() is called on a closed pipe under win32.
Patrick Mezard <pmezard@gmail.com>
parents: 4087
diff changeset
   868
                raise IOError(errno.EPIPE, 'Broken pipe')
1609
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   869
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   870
    sys.stdout = winstdout(sys.stdout)
c50bddfbc812 eliminate backtrace when piping output on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1594
diff changeset
   871
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   872
    def system_rcpath():
2117
760339ccc799 fix issue 217.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2115
diff changeset
   873
        try:
760339ccc799 fix issue 217.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2115
diff changeset
   874
            return system_rcpath_win32()
760339ccc799 fix issue 217.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2115
diff changeset
   875
        except:
760339ccc799 fix issue 217.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2115
diff changeset
   876
            return [r'c:\mercurial\mercurial.ini']
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   877
4083
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
   878
    def user_rcpath():
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
   879
        '''return os-specific hgrc search path to the user dir'''
4098
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4097
diff changeset
   880
        try:
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4097
diff changeset
   881
            userrc = user_rcpath_win32()
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4097
diff changeset
   882
        except:
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4097
diff changeset
   883
            userrc = os.path.join(os.path.expanduser('~'), 'mercurial.ini')
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4097
diff changeset
   884
        path = [userrc]
2280
09ed44225571 On Windows look for mercurial.ini in $USERPROFILE, too, if available
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2278
diff changeset
   885
        userprofile = os.environ.get('USERPROFILE')
09ed44225571 On Windows look for mercurial.ini in $USERPROFILE, too, if available
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2278
diff changeset
   886
        if userprofile:
09ed44225571 On Windows look for mercurial.ini in $USERPROFILE, too, if available
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2278
diff changeset
   887
            path.append(os.path.join(userprofile, 'mercurial.ini'))
09ed44225571 On Windows look for mercurial.ini in $USERPROFILE, too, if available
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2278
diff changeset
   888
        return path
1292
141951276ba1 Use platform-appropriate rc file names.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1285
diff changeset
   889
1285
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   890
    def parse_patch_output(output_line):
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   891
        """parses the output produced by patch and returns the file name"""
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   892
        pf = output_line[14:]
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   893
        if pf[0] == '`':
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   894
            pf = pf[1:-1] # Remove the quotes
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   895
        return pf
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
   896
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   897
    def testpid(pid):
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   898
        '''return False if pid dead, True if running or not known'''
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   899
        return True
1241
3b4f05ff3130 Add support for cloning with hardlinks on windows.
Stephen Darnell
parents: 1207
diff changeset
   900
441
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
   901
    def set_exec(f, mode):
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
   902
        pass
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
   903
3999
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
   904
    def set_link(f, mode):
441
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
   905
        pass
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 508
diff changeset
   906
1420
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
   907
    def set_binary(fd):
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
   908
        msvcrt.setmode(fd.fileno(), os.O_BINARY)
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
   909
419
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
   910
    def pconvert(path):
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
   911
        return path.replace("\\", "/")
422
10c43444a38e [PATCH] Enables lock work under the other 'OS'
mpm@selenic.com
parents: 421
diff changeset
   912
886
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   913
    def localpath(path):
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   914
        return path.replace('/', '\\')
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   915
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   916
    def normpath(path):
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   917
        return pconvert(os.path.normpath(path))
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
   918
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   919
    makelock = _makelock_file
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
   920
    readlock = _readlock_file
461
9ae0034f2772 [PATCH] /dev/null for other OS
mpm@selenic.com
parents: 441
diff changeset
   921
2193
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
   922
    def samestat(s1, s2):
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
   923
        return False
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
   924
4087
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   925
    # A sequence of backslashes is special iff it precedes a double quote:
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   926
    # - if there's an even number of backslashes, the double quote is not
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   927
    #   quoted (i.e. it ends the quoted region)
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   928
    # - if there's an odd number of backslashes, the double quote is quoted
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   929
    # - in both cases, every pair of backslashes is unquoted into a single
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   930
    #   backslash
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   931
    # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx )
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   932
    # So, to quote a string, we must surround it in double quotes, double
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   933
    # the number of backslashes that preceed double quotes and add another
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   934
    # backslash before every double quote (being careful with the double
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   935
    # quote we've appended to the end)
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   936
    _quotere = None
2791
f4d916351366 Add portable shell-quoting function; teach mq to use it.
Brendan Cully <brendan@kublai.com>
parents: 2760
diff changeset
   937
    def shellquote(s):
4087
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   938
        global _quotere
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   939
        if _quotere is None:
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   940
            _quotere = re.compile(r'(\\*)("|\\$)')
587c6c652f82 Fix util.shellquote on windows.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4086
diff changeset
   941
        return '"%s"' % _quotere.sub(r'\1\1\\\2', s)
2791
f4d916351366 Add portable shell-quoting function; teach mq to use it.
Brendan Cully <brendan@kublai.com>
parents: 2760
diff changeset
   942
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
   943
    def explain_exit(code):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
   944
        return _("exited with status %d") % code, code
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
   945
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
   946
    # if you change this stub into a real check, please try to implement the
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
   947
    # username and groupname functions above, too.
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
   948
    def isowner(fp, st=None):
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
   949
        return True
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   950
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   951
    def find_in_path(name, path, default=None):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   952
        '''find name in search path. path can be string (will be split
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   953
        with os.pathsep), or iterable thing that returns strings.  if name
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   954
        found, return path to name. else return default. name is looked up
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   955
        using cmd.exe rules, using PATHEXT.'''
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   956
        if isinstance(path, str):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   957
            path = path.split(os.pathsep)
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   958
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   959
        pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD')
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   960
        pathext = pathext.lower().split(os.pathsep)
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   961
        isexec = os.path.splitext(name)[1].lower() in pathext
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   962
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   963
        for p in path:
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   964
            p_name = os.path.join(p, name)
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   965
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   966
            if isexec and os.path.exists(p_name):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   967
                return p_name
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
   968
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   969
            for ext in pathext:
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   970
                p_name_ext = p_name + ext
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   971
                if os.path.exists(p_name_ext):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   972
                    return p_name_ext
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
   973
        return default
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
   974
4803
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   975
    def set_signal_handler():
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   976
        try:
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   977
            set_signal_handler_win32()
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   978
        except NameError:
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   979
            pass
7549cd526b7f Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents: 4720
diff changeset
   980
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   981
    try:
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   982
        # override functions with win32 versions if possible
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   983
        from util_win32 import *
2250
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   984
        if not is_win_9x():
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2237
diff changeset
   985
            posixfile = posixfile_nt
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   986
    except ImportError:
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   987
        pass
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2050
diff changeset
   988
419
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
   989
else:
461
9ae0034f2772 [PATCH] /dev/null for other OS
mpm@selenic.com
parents: 441
diff changeset
   990
    nulldev = '/dev/null'
9ae0034f2772 [PATCH] /dev/null for other OS
mpm@selenic.com
parents: 441
diff changeset
   991
1583
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   992
    def rcfiles(path):
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   993
        rcs = [os.path.join(path, 'hgrc')]
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   994
        rcdir = os.path.join(path, 'hgrc.d')
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   995
        try:
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   996
            rcs.extend([os.path.join(rcdir, f) for f in os.listdir(rcdir)
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
   997
                        if f.endswith(".rc")])
3131
cff3c58a5766 fix warnings spotted by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3098
diff changeset
   998
        except OSError:
cff3c58a5766 fix warnings spotted by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3098
diff changeset
   999
            pass
1583
32a4e6802864 make mercurial look in more places for config files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1482
diff changeset
  1000
        return rcs
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1001
4083
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
  1002
    def system_rcpath():
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1003
        path = []
2263
2f64cbaa1e92 make reason for sys.argv change obvious in code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2262
diff changeset
  1004
        # old mod_python does not set sys.argv
2261
20cf545b4725 Check existance of sys.argv for the use from mod_python.
Shun-ichi GOTO <shunichi.goto@gmail.com>
parents: 2237
diff changeset
  1005
        if len(getattr(sys, 'argv', [])) > 0:
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1006
            path.extend(rcfiles(os.path.dirname(sys.argv[0]) +
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1007
                                  '/../etc/mercurial'))
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1008
        path.extend(rcfiles('/etc/mercurial'))
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1009
        return path
1292
141951276ba1 Use platform-appropriate rc file names.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1285
diff changeset
  1010
4083
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
  1011
    def user_rcpath():
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
  1012
        return [os.path.expanduser('~/.hgrc')]
33c369afec94 Unified *_rcpath so the interface is similar across operating systems
Shane Holloway <shane.holloway@ieee.org>
parents: 4069
diff changeset
  1013
1285
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
  1014
    def parse_patch_output(output_line):
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
  1015
        """parses the output produced by patch and returns the file name"""
1593
6bb3463b124b if a filename contains spaces, patch adds quote around it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
  1016
        pf = output_line[14:]
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1017
        if os.sys.platform == 'OpenVMS':
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1018
            if pf[0] == '`':
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1019
                pf = pf[1:-1] # Remove the quotes
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1020
        else:
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1021
           if pf.startswith("'") and pf.endswith("'") and " " in pf:
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1022
                pf = pf[1:-1] # Remove the quotes
1593
6bb3463b124b if a filename contains spaces, patch adds quote around it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1585
diff changeset
  1023
        return pf
1285
1546c2aa6b30 Make 'hg import' platform independent.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 1270
diff changeset
  1024
3997
3f0ba82c103f exec: remove last flag from is_exec
Matt Mackall <mpm@selenic.com>
parents: 3996
diff changeset
  1025
    def is_exec(f):
1082
ce96e316278a Update util.py docstrings, fix walk test
mpm@selenic.com
parents: 1081
diff changeset
  1026
        """check whether a file is executable"""
2448
b77a2ef61b81 replace os.stat with os.lstat in some where.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2314
diff changeset
  1027
        return (os.lstat(f).st_mode & 0100 != 0)
441
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1028
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1029
    def set_exec(f, mode):
2448
b77a2ef61b81 replace os.stat with os.lstat in some where.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2314
diff changeset
  1030
        s = os.lstat(f).st_mode
441
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1031
        if (s & 0100 != 0) == mode:
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1032
            return
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1033
        if mode:
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1034
            # Turn on +x for every +r bit when making a file executable
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1035
            # and obey umask.
4326
5e3936eabe5d pull umask-checking up
Matt Mackall <mpm@selenic.com>
parents: 4230
diff changeset
  1036
            os.chmod(f, s | (s & 0444) >> 2 & ~_umask)
441
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1037
        else:
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1038
            os.chmod(f, s & 0666)
e8af362cfb01 Permission handling for the other OS
mpm@selenic.com
parents: 422
diff changeset
  1039
3999
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1040
    def set_link(f, mode):
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1041
        """make a file a symbolic link/regular file
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1042
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1043
        if a file is changed to a link, its contents become the link data
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1044
        if a link is changed to a file, its link data become its contents
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1045
        """
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1046
4275
81402b2b294d use os.path.islink instead of util.is_link; remove util.is_link
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4271
diff changeset
  1047
        m = os.path.islink(f)
3999
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1048
        if m == bool(mode):
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1049
            return
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1050
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1051
        if mode: # switch file to link
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1052
            data = file(f).read()
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1053
            os.unlink(f)
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1054
            os.symlink(data, f)
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1055
        else:
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1056
            data = os.readlink(f)
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1057
            os.unlink(f)
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1058
            file(f, "w").write(data)
0b740dcf0cf1 symlinks: add basic symlink functions to util.py
Matt Mackall <mpm@selenic.com>
parents: 3998
diff changeset
  1059
1420
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
  1060
    def set_binary(fd):
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
  1061
        pass
b32b3509c7ab Avoid insertion/deletion of CRs on stdio during hg serve
olivier.maquelin@intel.com
parents: 1415
diff changeset
  1062
419
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
  1063
    def pconvert(path):
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
  1064
        return path
28511fc21073 [PATCH] file seperator handling for the other 'OS'
mpm@selenic.com
parents:
diff changeset
  1065
886
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
  1066
    def localpath(path):
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
  1067
        return path
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
  1068
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
  1069
    normpath = os.path.normpath
2193
fb28ce04b349 add util.samestat function for windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2177
diff changeset
  1070
    samestat = os.path.samestat
886
509de8ab6f31 Fix walk path handling on Windows
Bryan O'Sullivan <bos@serpentine.com>
parents: 884
diff changeset
  1071
422
10c43444a38e [PATCH] Enables lock work under the other 'OS'
mpm@selenic.com
parents: 421
diff changeset
  1072
    def makelock(info, pathname):
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1073
        try:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1074
            os.symlink(info, pathname)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1075
        except OSError, why:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1076
            if why.errno == errno.EEXIST:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1077
                raise
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1078
            else:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1079
                _makelock_file(info, pathname)
422
10c43444a38e [PATCH] Enables lock work under the other 'OS'
mpm@selenic.com
parents: 421
diff changeset
  1080
10c43444a38e [PATCH] Enables lock work under the other 'OS'
mpm@selenic.com
parents: 421
diff changeset
  1081
    def readlock(pathname):
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1082
        try:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1083
            return os.readlink(pathname)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1084
        except OSError, why:
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1085
            if why.errno in (errno.EINVAL, errno.ENOSYS):
704
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1086
                return _readlock_file(pathname)
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1087
            else:
5ca319a641e1 Make makelock and readlock work on filesystems without symlink support.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 698
diff changeset
  1088
                raise
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1089
2791
f4d916351366 Add portable shell-quoting function; teach mq to use it.
Brendan Cully <brendan@kublai.com>
parents: 2760
diff changeset
  1090
    def shellquote(s):
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1091
        if os.sys.platform == 'OpenVMS':
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1092
            return '"%s"' % s
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1093
        else:
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1094
            return "'%s'" % s.replace("'", "'\\''")
2791
f4d916351366 Add portable shell-quoting function; teach mq to use it.
Brendan Cully <brendan@kublai.com>
parents: 2760
diff changeset
  1095
1877
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1096
    def testpid(pid):
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1097
        '''return False if pid dead, True if running or not sure'''
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1098
        if os.sys.platform == 'OpenVMS':
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1099
            return True
1877
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1100
        try:
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1101
            os.kill(pid, 0)
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1102
            return True
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1103
        except OSError, inst:
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1104
            return inst.errno != errno.ESRCH
d314a89fa4f1 change lock format to let us detect and break stale locks.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1835
diff changeset
  1105
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1106
    def explain_exit(code):
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1107
        """return a 2-tuple (desc, code) describing a process's status"""
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1108
        if os.WIFEXITED(code):
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1109
            val = os.WEXITSTATUS(code)
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
  1110
            return _("exited with status %d") % val, val
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1111
        elif os.WIFSIGNALED(code):
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1112
            val = os.WTERMSIG(code)
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
  1113
            return _("killed by signal %d") % val, val
782
cdb9e95b2fab Provided platform dependent implementations for explain_exit
thananck@yahoo.com
parents: 742
diff changeset
  1114
        elif os.WIFSTOPPED(code):
912
302f83b85054 Minor tweak: os.STOPSIG -> os.WSTOPSIG. Pychecker spotted this one.
mark.williamson@cl.cam.ac.uk
parents: 897
diff changeset
  1115
            val = os.WSTOPSIG(code)
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
  1116
            return _("stopped by signal %d") % val, val
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
  1117
        raise ValueError(_("invalid exit code"))
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1118
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1119
    def isowner(fp, st=None):
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1120
        """Return True if the file object f belongs to the current user.
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1121
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1122
        The return value of a util.fstat(f) may be passed as the st argument.
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1123
        """
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1124
        if st is None:
3859
8c24b6fd5866 fix errors spotted by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3854
diff changeset
  1125
            st = fstat(fp)
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1126
        return st.st_uid == os.getuid()
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4508
diff changeset
  1127
4407
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1128
    def find_in_path(name, path, default=None):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1129
        '''find name in search path. path can be string (will be split
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1130
        with os.pathsep), or iterable thing that returns strings.  if name
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1131
        found, return path to name. else return default.'''
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1132
        if isinstance(path, str):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1133
            path = path.split(os.pathsep)
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1134
        for p in path:
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1135
            p_name = os.path.join(p, name)
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1136
            if os.path.exists(p_name):
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1137
                return p_name
f97b89314fb3 Move win32 find_in_files from util_win32 to util.
Patrick Mezard <pmezard@gmail.com>
parents: 4388
diff changeset
  1138
        return default
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1139
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4647
diff changeset
  1140
    def set_signal_handler():
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4647
diff changeset
  1141
        pass
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4647
diff changeset
  1142
4488
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1143
def find_exe(name, default=None):
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1144
    '''find path of an executable.
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1145
    if name contains a path component, return it as is.  otherwise,
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1146
    use normal executable search path.'''
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1147
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1148
    if os.sep in name or sys.platform == 'OpenVMS':
4488
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1149
        # don't check the executable bit.  if the file isn't
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1150
        # executable, whoever tries to actually run it will give a
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1151
        # much more useful error message.
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1152
        return name
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1153
    return find_in_path(name, os.environ.get('PATH', ''), default=default)
62019c4427e3 Introduce find_exe. Use instead of find_in_path for programs.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4434
diff changeset
  1154
3852
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1155
def _buildencodefun():
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1156
    e = '_'
3860
8e907b86126b fix reserved char on windows, '[]+' are allowed
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3859
diff changeset
  1157
    win_reserved = [ord(x) for x in '\\:*?"<>|']
3852
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1158
    cmap = dict([ (chr(x), chr(x)) for x in xrange(127) ])
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1159
    for x in (range(32) + range(126, 256) + win_reserved):
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1160
        cmap[chr(x)] = "~%02x" % x
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1161
    for x in range(ord("A"), ord("Z")+1) + [ord(e)]:
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1162
        cmap[chr(x)] = e + chr(x).lower()
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1163
    dmap = {}
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1164
    for k, v in cmap.iteritems():
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1165
        dmap[v] = k
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1166
    def decode(s):
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1167
        i = 0
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1168
        while i < len(s):
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1169
            for l in xrange(1, 4):
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1170
                try:
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1171
                    yield dmap[s[i:i+l]]
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1172
                    i += l
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1173
                    break
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1174
                except KeyError:
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1175
                    pass
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1176
            else:
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1177
                raise KeyError
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1178
    return (lambda s: "".join([cmap[c] for c in s]),
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1179
            lambda s: "".join(list(decode(s))))
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1180
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1181
encodefilename, decodefilename = _buildencodefun()
8a9a1a7e1698 create the encode and decode functions for the store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3784
diff changeset
  1182
3853
c0b449154a90 switch to the .hg/store layout, fix the tests
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3852
diff changeset
  1183
def encodedopener(openerfn, fn):
c0b449154a90 switch to the .hg/store layout, fix the tests
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3852
diff changeset
  1184
    def o(path, *args, **kw):
c0b449154a90 switch to the .hg/store layout, fix the tests
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3852
diff changeset
  1185
        return openerfn(fn(path), *args, **kw)
c0b449154a90 switch to the .hg/store layout, fix the tests
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3852
diff changeset
  1186
    return o
3677
1a0fa3914c46 Avoid looking up usernames if the current user owns the .hgrc file
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3673
diff changeset
  1187
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1188
def mktempcopy(name, emptyok=False):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1189
    """Create a temporary file with the same contents from name
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1190
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1191
    The permission bits are copied from the original file.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1192
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1193
    If the temporary file is going to be truncated immediately, you
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1194
    can use emptyok=True as an optimization.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1195
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1196
    Returns the name of the temporary file.
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1197
    """
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1198
    d, fn = os.path.split(name)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1199
    fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1200
    os.close(fd)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1201
    # Temporary files are created with mode 0600, which is usually not
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1202
    # what we want.  If the original file already exists, just copy
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1203
    # its mode.  Otherwise, manually obey umask.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1204
    try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1205
        st_mode = os.lstat(name).st_mode
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1206
    except OSError, inst:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1207
        if inst.errno != errno.ENOENT:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1208
            raise
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1209
        st_mode = 0666 & ~_umask
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1210
    os.chmod(temp, st_mode)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1211
    if emptyok:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1212
        return temp
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1213
    try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1214
        try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1215
            ifp = posixfile(name, "rb")
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1216
        except IOError, inst:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1217
            if inst.errno == errno.ENOENT:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1218
                return temp
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1219
            if not getattr(inst, 'filename', None):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1220
                inst.filename = name
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1221
            raise
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1222
        ofp = posixfile(temp, "wb")
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1223
        for chunk in filechunkiter(ifp):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1224
            ofp.write(chunk)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1225
        ifp.close()
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1226
        ofp.close()
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1227
    except:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1228
        try: os.unlink(temp)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1229
        except: pass
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1230
        raise
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1231
    return temp
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1232
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1233
class atomictempfile(posixfile):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1234
    """file-like object that atomically updates a file
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1235
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1236
    All writes will be redirected to a temporary copy of the original
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1237
    file.  When rename is called, the copy is renamed to the original
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1238
    name, making the changes visible.
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1239
    """
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1240
    def __init__(self, name, mode):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1241
        self.__name = name
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1242
        self.temp = mktempcopy(name, emptyok=('w' in mode))
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1243
        posixfile.__init__(self, self.temp, mode)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1244
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1245
    def rename(self):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1246
        if not self.closed:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1247
            posixfile.close(self)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1248
            rename(self.temp, localpath(self.__name))
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1249
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1250
    def __del__(self):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1251
        if not self.closed:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1252
            try:
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1253
                os.unlink(self.temp)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1254
            except: pass
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1255
            posixfile.close(self)
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1256
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1257
class opener(object):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1258
    """Open files relative to a base directory
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1259
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1260
    This class is used to hide the details of COW semantics and
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1261
    remote file access from higher level code.
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1262
    """
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1263
    def __init__(self, base, audit=True):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1264
        self.base = base
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1265
        self.audit = audit
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1266
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1267
    def __getattr__(self, name):
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1268
        if name == '_can_symlink':
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1269
            self._can_symlink = checklink(self.base)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1270
            return self._can_symlink
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1271
        raise AttributeError(name)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1272
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1273
    def __call__(self, path, mode="r", text=False, atomictemp=False):
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1274
        if self.audit:
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1275
            audit_path(path)
4827
89defeae88f3 turn util.opener into a class
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4803
diff changeset
  1276
        f = os.path.join(self.base, path)
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1277
4720
72fb6f10fac1 OpenVMS patches
Jean-Francois PIERONNE <jf.pieronne@laposte.net>
parents: 4708
diff changeset
  1278
        if not text and "b" not in mode:
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1279
            mode += "b" # for that other OS
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1280
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1281
        if mode[0] != "r":
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1282
            try:
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1283
                nlink = nlinks(f)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1284
            except OSError:
4328
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
  1285
                nlink = 0
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1286
                d = os.path.dirname(f)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1287
                if not os.path.isdir(d):
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1288
                    os.makedirs(d)
4508
0026ccc2bf23 Remove atomicfile class.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4488
diff changeset
  1289
            if atomictemp:
4328
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
  1290
                return atomictempfile(f, mode)
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
  1291
            if nlink > 1:
1083ae4b5f0e util.opener: if requested, use atomicfile even if the file doesn't exist
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4327
diff changeset
  1292
                rename(mktempcopy(f), f)
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1293
        return posixfile(f, mode)
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
  1294
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1295
    def symlink(self, src, dst):
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1296
        if self.audit:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1297
            audit_path(dst)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1298
        linkname = os.path.join(self.base, dst)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1299
        try:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1300
            os.unlink(linkname)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1301
        except OSError:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1302
            pass
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1303
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1304
        dirname = os.path.dirname(linkname)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1305
        if not os.path.exists(dirname):
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1306
            os.makedirs(dirname)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1307
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1308
        if self._can_symlink:
4948
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
  1309
            try:
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
  1310
                os.symlink(src, linkname)
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
  1311
            except OSError, err:
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
  1312
                raise OSError(err.errno, _('could not symlink to %r: %s') %
c8d1aa1822d5 Print meaningful error message if os.symlink fails
Bryan O'Sullivan <bos@serpentine.com>
parents: 4876
diff changeset
  1313
                              (src, err.strerror), linkname)
4828
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1314
        else:
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1315
            f = self(self, dst, "w")
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1316
            f.write(src)
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1317
            f.close()
41ad4105dde9 Add symlink method to util.opener.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4827
diff changeset
  1318
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1319
class chunkbuffer(object):
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1320
    """Allow arbitrary sized chunks of data to be efficiently read from an
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1321
    iterator over chunks of arbitrary size."""
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1322
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1323
    def __init__(self, in_iter, targetsize = 2**16):
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1324
        """in_iter is the iterator that's iterating over the input chunks.
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1325
        targetsize is how big a buffer to try to maintain."""
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1326
        self.in_iter = iter(in_iter)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1327
        self.buf = ''
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1328
        self.targetsize = int(targetsize)
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1329
        if self.targetsize <= 0:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
  1330
            raise ValueError(_("targetsize must be greater than 0, was %d") %
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1331
                             targetsize)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1332
        self.iterempty = False
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1333
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1334
    def fillbuf(self):
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1335
        """Ignore target size; read every chunk from iterator until empty."""
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1336
        if not self.iterempty:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1337
            collector = cStringIO.StringIO()
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1338
            collector.write(self.buf)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1339
            for ch in self.in_iter:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1340
                collector.write(ch)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1341
            self.buf = collector.getvalue()
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1342
            self.iterempty = True
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1343
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1344
    def read(self, l):
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1345
        """Read L bytes of data from the iterator of chunks of data.
1308
2073e5a71008 Cleanup of tabs and trailing spaces.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1285
diff changeset
  1346
        Returns less than L bytes if the iterator runs dry."""
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1347
        if l > len(self.buf) and not self.iterempty:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1348
            # Clamp to a multiple of self.targetsize
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1349
            targetsize = self.targetsize * ((l // self.targetsize) + 1)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1350
            collector = cStringIO.StringIO()
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1351
            collector.write(self.buf)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1352
            collected = len(self.buf)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1353
            for chunk in self.in_iter:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1354
                collector.write(chunk)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1355
                collected += len(chunk)
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1356
                if collected >= targetsize:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1357
                    break
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1358
            if collected < targetsize:
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1359
                self.iterempty = True
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1360
            self.buf = collector.getvalue()
1200
333de1d53846 Minor cleanups.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1199
diff changeset
  1361
        s, self.buf = self.buf[:l], buffer(self.buf, l)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1362
        return s
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1363
2462
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1364
def filechunkiter(f, size=65536, limit=None):
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1365
    """Create a generator that produces the data in the file size
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1366
    (default 65536) bytes at a time, up to optional limit (default is
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1367
    to read all data).  Chunks may be less than size bytes if the
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1368
    chunk is the last chunk in the file, or the file is a socket or
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1369
    some other type of file that sometimes reads less data than is
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1370
    requested."""
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1371
    assert size >= 0
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1372
    assert limit is None or limit >= 0
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1373
    while True:
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1374
        if limit is None: nbytes = size
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1375
        else: nbytes = min(limit, size)
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1376
        s = nbytes and f.read(nbytes)
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1377
        if not s: break
d610bcfd66a8 util: add limit to amount filechunkiter will read
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2448
diff changeset
  1378
        if limit: limit -= len(s)
1199
78ceaf83f28f Created a class in util called chunkbuffer that buffers reads from an
Eric Hopper <hopper@omnifarious.org>
parents: 1169
diff changeset
  1379
        yield s
1320
5f277e73778f Fix up representation of dates in hgweb.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1312
diff changeset
  1380
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
  1381
def makedate():
1482
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1382
    lt = time.localtime()
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1383
    if lt[8] == 1 and time.daylight:
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1384
        tz = time.altzone
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1385
    else:
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1386
        tz = time.timezone
4d38b85e60aa fix handling of daylight saving time
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1479
diff changeset
  1387
    return time.mktime(lt), tz
1329
8f06817bf266 Allow files to be opened in text mode, even on Windows.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1321
diff changeset
  1388
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1389
def datestr(date=None, format='%a %b %d %H:%M:%S %Y', timezone=True):
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
  1390
    """represent a (unixtime, offset) tuple as a localized time.
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
  1391
    unixtime is seconds since the epoch, and offset is the time zone's
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1392
    number of seconds away from UTC. if timezone is false, do not
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1393
    append time zone to string."""
1321
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
  1394
    t, tz = date or makedate()
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1395
    s = time.strftime(format, time.gmtime(float(t) - tz))
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1396
    if timezone:
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1397
        s += " %+03d%02d" % (-tz / 3600, ((-tz % 3600) / 60))
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
  1398
    return s
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1399
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1400
def strdate(string, format, defaults):
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1401
    """parse a localized time string and return a (unixtime, offset) tuple.
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1402
    if the string cannot be parsed, ValueError is raised."""
3809
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1403
    def timezone(string):
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1404
        tz = string.split()[-1]
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1405
        if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit():
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1406
            tz = int(tz)
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1407
            offset = - 3600 * (tz / 100) - 60 * (tz % 100)
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1408
            return offset
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1409
        if tz == "GMT" or tz == "UTC":
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1410
            return 0
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1411
        return None
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1412
3255
e96d2956eb4a util.strdate: compute timestamp using UTC, not local timezone
Jose M. Prieto <jmprieto@gmx.net>
parents: 3176
diff changeset
  1413
    # NOTE: unixtime = localunixtime + offset
3809
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1414
    offset, date = timezone(string), string
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1415
    if offset != None:
4d93b37b5963 parsedate: add UTC and GMT timezones
Matt Mackall <mpm@selenic.com>
parents: 3808
diff changeset
  1416
        date = " ".join(string.split()[:-1])
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
  1417
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1418
    # add missing elements from defaults
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1419
    for part in defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1420
        found = [True for p in part if ("%"+p) in format]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1421
        if not found:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1422
            date += "@" + defaults[part]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1423
            format += "@%" + part[0]
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
  1424
3256
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1425
    timetuple = time.strptime(date, format)
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1426
    localunixtime = int(calendar.timegm(timetuple))
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1427
    if offset is None:
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1428
        # local timezone
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1429
        unixtime = int(time.mktime(timetuple))
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1430
        offset = unixtime - localunixtime
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1431
    else:
e5c9a084ffe3 util.strdate: assume local time when no timezone specified
Jose M. Prieto <jmprieto@gmx.net>
parents: 3255
diff changeset
  1432
        unixtime = localunixtime + offset
3255
e96d2956eb4a util.strdate: compute timestamp using UTC, not local timezone
Jose M. Prieto <jmprieto@gmx.net>
parents: 3176
diff changeset
  1433
    return unixtime, offset
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1434
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1435
def parsedate(string, formats=None, defaults=None):
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1436
    """parse a localized time string and return a (unixtime, offset) tuple.
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1437
    The date may be a "unixtime offset" string or in one of the specified
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1438
    formats."""
3807
e43b48f0f718 parsedate: allow '' for epoch
Matt Mackall <mpm@selenic.com>
parents: 3806
diff changeset
  1439
    if not string:
e43b48f0f718 parsedate: allow '' for epoch
Matt Mackall <mpm@selenic.com>
parents: 3806
diff changeset
  1440
        return 0, 0
2609
6c5b1b5cc160 util.parsedate should understand dates from hg export
Chris Mason <mason@suse.com>
parents: 2601
diff changeset
  1441
    if not formats:
6c5b1b5cc160 util.parsedate should understand dates from hg export
Chris Mason <mason@suse.com>
parents: 2601
diff changeset
  1442
        formats = defaultdateformats
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
  1443
    string = string.strip()
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1444
    try:
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1445
        when, offset = map(int, string.split(' '))
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1446
    except ValueError:
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1447
        # fill out defaults
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1448
        if not defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1449
            defaults = {}
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1450
        now = makedate()
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1451
        for part in "d mb yY HI M S".split():
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1452
            if part not in defaults:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1453
                if part[0] in "HMS":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1454
                    defaults[part] = "00"
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1455
                elif part[0] in "dm":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1456
                    defaults[part] = "1"
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1457
                else:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1458
                    defaults[part] = datestr(now, "%" + part[0], False)
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1459
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1460
        for format in formats:
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1461
            try:
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1462
                when, offset = strdate(string, format, defaults)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1463
            except ValueError:
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1464
                pass
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1465
            else:
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1466
                break
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1467
        else:
3806
92a3532a01d9 parsedate: use Abort rather than ValueError
Matt Mackall <mpm@selenic.com>
parents: 3784
diff changeset
  1468
            raise Abort(_('invalid date: %r ') % string)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1469
    # validate explicit (probably user-specified) date and
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1470
    # time zone offset. values must fit in signed 32 bits for
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1471
    # current 32-bit linux runtimes. timezones go from UTC-12
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1472
    # to UTC+14
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1473
    if abs(when) > 0x7fffffff:
3806
92a3532a01d9 parsedate: use Abort rather than ValueError
Matt Mackall <mpm@selenic.com>
parents: 3784
diff changeset
  1474
        raise Abort(_('date exceeds 32 bits: %d') % when)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1475
    if offset < -50400 or offset > 43200:
3806
92a3532a01d9 parsedate: use Abort rather than ValueError
Matt Mackall <mpm@selenic.com>
parents: 3784
diff changeset
  1476
        raise Abort(_('impossible time zone offset: %d') % offset)
2523
4ab59a3acd16 validate the resulting date in parsedate
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2522
diff changeset
  1477
    return when, offset
2522
85f796baab10 Allow the use of human readable dates (issue 251)
Jose M. Prieto <jmprieto@gmx.net>
parents: 2480
diff changeset
  1478
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1479
def matchdate(date):
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1480
    """Return a function that matches a given date match specifier
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1481
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1482
    Formats include:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1483
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1484
    '{date}' match a given date to the accuracy provided
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1485
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1486
    '<{date}' on or before a given date
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1487
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1488
    '>{date}' on or after a given date
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1489
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1490
    """
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1491
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1492
    def lower(date):
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1493
        return parsedate(date, extendeddateformats)[0]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1494
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1495
    def upper(date):
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1496
        d = dict(mb="12", HI="23", M="59", S="59")
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1497
        for days in "31 30 29".split():
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1498
            try:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1499
                d["d"] = days
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1500
                return parsedate(date, extendeddateformats, d)[0]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1501
            except:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1502
                pass
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1503
        d["d"] = "28"
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1504
        return parsedate(date, extendeddateformats, d)[0]
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1505
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1506
    if date[0] == "<":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1507
        when = upper(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1508
        return lambda x: x <= when
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1509
    elif date[0] == ">":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1510
        when = lower(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1511
        return lambda x: x >= when
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1512
    elif date[0] == "-":
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1513
        try:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1514
            days = int(date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1515
        except ValueError:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1516
            raise Abort(_("invalid day spec: %s") % date[1:])
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1517
        when = makedate()[0] - days * 3600 * 24
3813
fc5ba0ab7f45 Add --date support to log
Matt Mackall <mpm@selenic.com>
parents: 3812
diff changeset
  1518
        return lambda x: x >= when
3812
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1519
    elif " to " in date:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1520
        a, b = date.split(" to ")
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1521
        start, stop = lower(a), upper(b)
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1522
        return lambda x: x >= start and x <= stop
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1523
    else:
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1524
        start, stop = lower(date), upper(date)
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1525
        return lambda x: x >= start and x <= stop
bf6ab30559e6 Add date matching support
Matt Mackall <mpm@selenic.com>
parents: 3809
diff changeset
  1526
1903
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1527
def shortuser(user):
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1528
    """Return a short representation of a user name or email address."""
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1529
    f = user.find('@')
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1530
    if f >= 0:
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1531
        user = user[:f]
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1532
    f = user.find('<')
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1533
    if f >= 0:
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1534
        user = user[f+1:]
3176
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1535
    f = user.find(' ')
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1536
    if f >= 0:
7492b33bdd9f shortuser should stop before the first space character.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3147
diff changeset
  1537
        user = user[:f]
3533
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1538
    f = user.find('.')
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1539
    if f >= 0:
bb44489b901f shortname: truncate at '.' too
Matt Mackall <mpm@selenic.com>
parents: 3466
diff changeset
  1540
        user = user[:f]
1903
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1541
    return user
1920
b7cc0f323a4c merge with crew.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1903 1882
diff changeset
  1542
3767
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1543
def ellipsis(text, maxlength=400):
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1544
    """Trim string to at most maxlength (default: 400) characters."""
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1545
    if len(text) <= maxlength:
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1546
        return text
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1547
    else:
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1548
        return "%s..." % (text[:maxlength-3])
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
  1549
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1550
def walkrepos(path):
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1551
    '''yield every hg repository under path, recursively.'''
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1552
    def errhandler(err):
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1553
        if err.filename == path:
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1554
            raise err
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1555
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1556
    for root, dirs, files in os.walk(path, onerror=errhandler):
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1557
        for d in dirs:
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1558
            if d == '.hg':
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1559
                yield root
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1560
                dirs[:] = []
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
  1561
                break
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1562
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1563
_rcpath = None
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1564
4097
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1565
def os_rcpath():
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1566
    '''return default os-specific hgrc search path'''
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1567
    path = system_rcpath()
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1568
    path.extend(user_rcpath())
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1569
    path = [os.path.normpath(f) for f in path]
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1570
    return path
403c4ddd74bb Combined the two os_rcpath methods into a single one near rcpath in mercurial/util.py
Shane Holloway <shane.holloway@ieee.org>
parents: 4096
diff changeset
  1571
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1572
def rcpath():
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1573
    '''return hgrc search path. if env var HGRCPATH is set, use it.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1574
    for each item in path, if directory, use files ending in .rc,
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1575
    else use item.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1576
    make HGRCPATH empty to only look in .hg/hgrc of current repo.
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1577
    if no HGRCPATH, use default os-specific path.'''
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1578
    global _rcpath
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1579
    if _rcpath is None:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1580
        if 'HGRCPATH' in os.environ:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1581
            _rcpath = []
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1582
            for p in os.environ['HGRCPATH'].split(os.pathsep):
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1583
                if not p: continue
1956
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1584
                if os.path.isdir(p):
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1585
                    for f in os.listdir(p):
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1586
                        if f.endswith('.rc'):
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1587
                            _rcpath.append(os.path.join(p, f))
1956
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1588
                else:
16750010813d use a proper test instead of catching every exception
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1951
diff changeset
  1589
                    _rcpath.append(p)
1951
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1590
        else:
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1591
            _rcpath = os_rcpath()
696230e52e4d add HGRCPATH env var, list of places to look for hgrc files.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1920
diff changeset
  1592
    return _rcpath
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1593
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1594
def bytecount(nbytes):
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1595
    '''return byte count formatted as readable string, with units'''
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1596
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1597
    units = (
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1598
        (100, 1<<30, _('%.0f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1599
        (10, 1<<30, _('%.1f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1600
        (1, 1<<30, _('%.2f GB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1601
        (100, 1<<20, _('%.0f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1602
        (10, 1<<20, _('%.1f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1603
        (1, 1<<20, _('%.2f MB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1604
        (100, 1<<10, _('%.0f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1605
        (10, 1<<10, _('%.1f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1606
        (1, 1<<10, _('%.2f KB')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1607
        (1, 1, _('%.0f bytes')),
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1608
        )
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1609
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1610
    for multiplier, divisor, format in units:
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1611
        if nbytes >= divisor * multiplier:
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1612
            return format % (nbytes / float(divisor))
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2609
diff changeset
  1613
    return units[-1][2] % nbytes
2740
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1614
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1615
def drop_scheme(scheme, path):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1616
    sc = scheme + ':'
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1617
    if path.startswith(sc):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1618
        path = path[len(sc):]
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1619
        if path.startswith('//'):
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1620
            path = path[2:]
386f04d6ecb3 clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2655
diff changeset
  1621
    return path