def __init__(self, flags=0, with_whitespaces=False):
self.lexicon = get_lexicon(PYTHON_VERSION_LESS_THAN_3)
self.groups = Groups
p = []
s = Pattern()
s.flags = flags
if PYTHON_VERSION_LESS_THAN_3:
s.groups = len(self.lexicon) + 1
for group, (phrase, name) in enumerate(self.lexicon, 1):
p.append(
SubPattern(s, [
(SUBPATTERN, (group, parse(phrase, flags))),
])) # append subpattern
self.lexicon.append((group - 1, name))
else:
for phrase, name in self.lexicon:
gid = s.opengroup()
p.append(
SubPattern(s, [
(SUBPATTERN, (gid, 0, 0, parse(phrase, flags))),
]))
s.closegroup(gid, p[-1])
p = SubPattern(s, [(BRANCH, (None, p))])
self.scanner = sre_compile(p).scanner
self.with_whitespaces = with_whitespaces
