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Viewing changes to bzrlib/hashcache.py

  • Committer: Alexander Belchenko
  • Date: 2007-10-26 21:49:15 UTC
  • mto: (2947.4.2 0.92)
  • mto: This revision was merged to the branch mainline in revision 2971.
  • Revision ID: bialix@ukr.net-20071026214915-5eacqh9k2ps6jagj
windows python-based installer: shortcut for uninstall action

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bzrlib/hashcache.py
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# Copyright (C) 2005, 2006 by Canonical Ltd
 
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# Copyright (C) 2005, 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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    def __init__(self, root, cache_file_name, mode=None):
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        """Create a hash cache in base dir, and set the file mode to mode."""
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        self.root = safe_unicode(root)
 
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        self.root_utf8 = self.root.encode('utf8') # where is the filesystem encoding ?
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        self.hit_count = 0
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        self.miss_count = 0
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        self.stat_count = 0
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                self.needs_write = True
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                del self._cache[path]
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    def get_sha1(self, path):
 
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    def get_sha1(self, path, stat_value=None):
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        """Return the sha1 of a file.
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        """
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        abspath = pathjoin(self.root, path)
 
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        if path.__class__ is str:
 
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            abspath = pathjoin(self.root_utf8, path)
 
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        else:
 
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            abspath = pathjoin(self.root, path)
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        self.stat_count += 1
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        file_fp = self._fingerprint(abspath)
 
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        file_fp = self._fingerprint(abspath, stat_value)
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        if not file_fp:
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            # not a regular file or not existing
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        """
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        return int(time.time()) - 3
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    def _fingerprint(self, abspath):
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        try:
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            fs = os.lstat(abspath)
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        except OSError:
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            # might be missing, etc
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            return None
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        if stat.S_ISDIR(fs.st_mode):
 
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    def _fingerprint(self, abspath, stat_value=None):
 
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        if stat_value is None:
 
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            try:
 
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                stat_value = os.lstat(abspath)
 
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            except OSError:
 
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                # might be missing, etc
 
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                return None
 
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        if stat.S_ISDIR(stat_value.st_mode):
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            return None
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        # we discard any high precision because it's not reliable; perhaps we
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        # could do better on some systems?
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        return (fs.st_size, long(fs.st_mtime),
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                long(fs.st_ctime), fs.st_ino, fs.st_dev, fs.st_mode)
 
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        return (stat_value.st_size, long(stat_value.st_mtime),
 
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                long(stat_value.st_ctime), stat_value.st_ino, 
 
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                stat_value.st_dev, stat_value.st_mode)