diff options
Diffstat (limited to 'django/utils/regex_helper.py')
| -rw-r--r-- | django/utils/regex_helper.py | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/django/utils/regex_helper.py b/django/utils/regex_helper.py index f17b263c37..4b8ecea721 100644 --- a/django/utils/regex_helper.py +++ b/django/utils/regex_helper.py @@ -5,6 +5,7 @@ Used internally by Django and not intended for external use. This is not, and is not intended to be, a complete reg-exp decompiler. It should be good enough for a large class of URLS, however. """ +from __future__ import unicode_literals # Mapping of an escape character to a representative of that class. So, e.g., # "\w" is replaced by "x" in a reverse URL. A value of None means to ignore @@ -13,12 +14,12 @@ ESCAPE_MAPPINGS = { "A": None, "b": None, "B": None, - "d": u"0", - "D": u"x", - "s": u" ", - "S": u"x", - "w": u"x", - "W": u"!", + "d": "0", + "D": "x", + "s": " ", + "S": "x", + "w": "x", + "W": "!", "Z": None, } @@ -77,7 +78,7 @@ def normalize(pattern): try: ch, escaped = next(pattern_iter) except StopIteration: - return zip([u''], [[]]) + return zip([''], [[]]) try: while True: @@ -85,7 +86,7 @@ def normalize(pattern): result.append(ch) elif ch == '.': # Replace "any character" with an arbitrary representative. - result.append(u".") + result.append(".") elif ch == '|': # FIXME: One day we'll should do this, but not in 1.0. raise NotImplementedError @@ -117,7 +118,7 @@ def normalize(pattern): # A positional group name = "_%d" % num_args num_args += 1 - result.append(Group(((u"%%(%s)s" % name), name))) + result.append(Group((("%%(%s)s" % name), name))) walk_to_end(ch, pattern_iter) else: ch, escaped = next(pattern_iter) @@ -152,10 +153,10 @@ def normalize(pattern): # Named backreferences have already consumed the # parenthesis. if terminal_char != ')': - result.append(Group(((u"%%(%s)s" % param), param))) + result.append(Group((("%%(%s)s" % param), param))) walk_to_end(ch, pattern_iter) else: - result.append(Group(((u"%%(%s)s" % param), None))) + result.append(Group((("%%(%s)s" % param), None))) elif ch in "*?+{": # Quanitifers affect the previous item in the result list. count, ch = get_quantifier(ch, pattern_iter) @@ -190,7 +191,7 @@ def normalize(pattern): pass except NotImplementedError: # A case of using the disjunctive form. No results for you! - return zip([u''], [[]]) + return zip([''], [[]]) return zip(*flatten_result(result)) @@ -290,20 +291,20 @@ def flatten_result(source): Each of the two lists will be of the same length. """ if source is None: - return [u''], [[]] + return [''], [[]] if isinstance(source, Group): if source[1] is None: params = [] else: params = [source[1]] return [source[0]], [params] - result = [u''] + result = [''] result_args = [[]] pos = last = 0 for pos, elt in enumerate(source): if isinstance(elt, basestring): continue - piece = u''.join(source[last:pos]) + piece = ''.join(source[last:pos]) if isinstance(elt, Group): piece += elt[0] param = elt[1] @@ -331,7 +332,7 @@ def flatten_result(source): result = new_result result_args = new_args if pos >= last: - piece = u''.join(source[last:]) + piece = ''.join(source[last:]) for i in range(len(result)): result[i] += piece return result, result_args |