179
177
so are matched first, then the basename patterns, then the fullpath
182
# We want to _add_patterns in a specific order (as per type_list below)
183
# starting with the shortest and going to the longest.
184
# As some Python version don't support ordered dicts the list below is
185
# used to select inputs for _add_pattern in a specific order.
186
pattern_types = [ "extension", "basename", "fullpath" ]
190
"translator" : _sub_extension,
191
"prefix" : r'(?:.*/)?(?!.*/)(?:.*\.)'
194
"translator" : _sub_basename,
195
"prefix" : r'(?:.*/)?(?!.*/)'
198
"translator" : _sub_fullpath,
203
180
def __init__(self, patterns):
204
181
self._regex_patterns = []
210
185
for pat in patterns:
211
186
pat = normalize_pattern(pat)
212
pattern_lists[Globster.identify(pat)].append(pat)
213
pi = Globster.pattern_info
214
for t in Globster.pattern_types:
215
self._add_patterns(pattern_lists[t], pi[t]["translator"],
187
if pat.startswith(u'RE:') or u'/' in pat:
188
path_patterns.append(pat)
189
elif pat.startswith(u'*.'):
190
ext_patterns.append(pat)
192
base_patterns.append(pat)
193
self._add_patterns(ext_patterns,_sub_extension,
194
prefix=r'(?:.*/)?(?!.*/)(?:.*\.)')
195
self._add_patterns(base_patterns,_sub_basename,
196
prefix=r'(?:.*/)?(?!.*/)')
197
self._add_patterns(path_patterns,_sub_fullpath)
218
199
def _add_patterns(self, patterns, translator, prefix=''):
229
210
:return A matching pattern or None if there is no matching pattern.
232
for regex, patterns in self._regex_patterns:
233
match = regex.match(filename)
235
return patterns[match.lastindex -1]
236
except errors.InvalidPattern, e:
237
# We can't show the default e.msg to the user as thats for
238
# the combined pattern we sent to regex. Instead we indicate to
239
# the user that an ignore file needs fixing.
240
mutter('Invalid pattern found in regex: %s.', e.msg)
241
e.msg = "File ~/.bazaar/ignore or .bzrignore contains error(s)."
243
for _, patterns in self._regex_patterns:
245
if not Globster.is_pattern_valid(p):
246
bad_patterns += ('\n %s' % p)
247
e.msg += bad_patterns
212
for regex, patterns in self._regex_patterns:
213
match = regex.match(filename)
215
return patterns[match.lastindex -1]
252
def identify(pattern):
253
"""Returns pattern category.
255
:param pattern: normalized pattern.
256
Identify if a pattern is fullpath, basename or extension
257
and returns the appropriate type.
259
if pattern.startswith(u'RE:') or u'/' in pattern:
261
elif pattern.startswith(u'*.'):
267
def is_pattern_valid(pattern):
268
"""Returns True if pattern is valid.
270
:param pattern: Normalized pattern.
271
is_pattern_valid() assumes pattern to be normalized.
272
see: globbing.normalize_pattern
275
translator = Globster.pattern_info[Globster.identify(pattern)]["translator"]
276
tpattern = '(%s)' % translator(pattern)
278
re_obj = re.compile(tpattern, re.UNICODE)
279
re_obj.search("") # force compile
280
except errors.InvalidPattern, e:
285
218
class ExceptionGlobster(object):
286
219
"""A Globster that supports exception patterns.
329
262
self._regex_patterns = []
330
263
for pat in patterns:
331
264
pat = normalize_pattern(pat)
332
t = Globster.identify(pat)
333
self._add_patterns([pat], Globster.pattern_info[t]["translator"],
334
Globster.pattern_info[t]["prefix"])
265
if pat.startswith(u'RE:') or u'/' in pat:
266
self._add_patterns([pat], _sub_fullpath)
267
elif pat.startswith(u'*.'):
268
self._add_patterns([pat], _sub_extension,
269
prefix=r'(?:.*/)?(?!.*/)(?:.*\.)')
271
self._add_patterns([pat], _sub_basename,
272
prefix=r'(?:.*/)?(?!.*/)')
337
275
_slashes = re.compile(r'[\\/]+')
added
removed
bzrlib/globbing.py
