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# Copyright (C) 2006-2010 Canonical Ltd
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# Copyright (C) 2006, 2008 Canonical Ltd
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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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so are matched first, then the basename patterns, then the fullpath
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# We want to _add_patterns in a specific order (as per type_list below)
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# starting with the shortest and going to the longest.
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# As some Python version don't support ordered dicts the list below is
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# used to select inputs for _add_pattern in a specific order.
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pattern_types = [ "extension", "basename", "fullpath" ]
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"translator" : _sub_extension,
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"prefix" : r'(?:.*/)?(?!.*/)(?:.*\.)'
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"translator" : _sub_basename,
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"prefix" : r'(?:.*/)?(?!.*/)'
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"translator" : _sub_fullpath,
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def __init__(self, patterns):
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self._regex_patterns = []
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for pat in patterns:
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pat = normalize_pattern(pat)
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pattern_lists[Globster.identify(pat)].append(pat)
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pi = Globster.pattern_info
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for t in Globster.pattern_types:
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self._add_patterns(pattern_lists[t], pi[t]["translator"],
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if pat.startswith(u'RE:') or u'/' in pat:
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path_patterns.append(pat)
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elif pat.startswith(u'*.'):
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ext_patterns.append(pat)
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base_patterns.append(pat)
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self._add_patterns(ext_patterns,_sub_extension,
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prefix=r'(?:.*/)?(?!.*/)(?:.*\.)')
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self._add_patterns(base_patterns,_sub_basename,
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prefix=r'(?:.*/)?(?!.*/)')
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self._add_patterns(path_patterns,_sub_fullpath)
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def _add_patterns(self, patterns, translator, prefix=''):
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:return A matching pattern or None if there is no matching pattern.
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for regex, patterns in self._regex_patterns:
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match = regex.match(filename)
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return patterns[match.lastindex -1]
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except errors.InvalidPattern, e:
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# We can't show the default e.msg to the user as thats for
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# the combined pattern we sent to regex. Instead we indicate to
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# the user that an ignore file needs fixing.
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mutter('Invalid pattern found in regex: %s.', e.msg)
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e.msg = "File ~/.bazaar/ignore or .bzrignore contains error(s)."
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for _, patterns in self._regex_patterns:
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if not Globster.is_pattern_valid(p):
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bad_patterns += ('\n %s' % p)
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e.msg += bad_patterns
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for regex, patterns in self._regex_patterns:
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match = regex.match(filename)
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return patterns[match.lastindex -1]
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def identify(pattern):
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"""Returns pattern category.
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:param pattern: normalized pattern.
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Identify if a pattern is fullpath, basename or extension
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and returns the appropriate type.
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if pattern.startswith(u'RE:') or u'/' in pattern:
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elif pattern.startswith(u'*.'):
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def is_pattern_valid(pattern):
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"""Returns True if pattern is valid.
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:param pattern: Normalized pattern.
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is_pattern_valid() assumes pattern to be normalized.
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see: globbing.normalize_pattern
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translator = Globster.pattern_info[Globster.identify(pattern)]["translator"]
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tpattern = '(%s)' % translator(pattern)
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re_obj = re.compile(tpattern, re.UNICODE)
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re_obj.search("") # force compile
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except errors.InvalidPattern, e:
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class ExceptionGlobster(object):
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"""A Globster that supports exception patterns.
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self._regex_patterns = []
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for pat in patterns:
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pat = normalize_pattern(pat)
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t = Globster.identify(pat)
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self._add_patterns([pat], Globster.pattern_info[t]["translator"],
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Globster.pattern_info[t]["prefix"])
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if pat.startswith(u'RE:') or u'/' in pat:
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self._add_patterns([pat], _sub_fullpath)
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elif pat.startswith(u'*.'):
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self._add_patterns([pat], _sub_extension,
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prefix=r'(?:.*/)?(?!.*/)(?:.*\.)')
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self._add_patterns([pat], _sub_basename,
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prefix=r'(?:.*/)?(?!.*/)')
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_slashes = re.compile(r'[\\/]+')