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[common] Add new helper function _match_id

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This commit is contained in:
Philipp Hagemeister
2014-09-28 09:31:58 +02:00
parent f4b1c7adb8
commit ed9266db90
2 changed files with 9 additions and 2 deletions
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8
youtube_dl/extractor/common.py
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@ -165,6 +165,14 @@ class InfoExtractor(object):
cls._VALID_URL_RE = re.compile(cls._VALID_URL)
return cls._VALID_URL_RE.match(url) is not None
@classmethod
def _match_id(cls, url):
if '_VALID_URL_RE' not in cls.__dict__:
cls._VALID_URL_RE = re.compile(cls._VALID_URL)
m = cls._VALID_URL_RE.match(url)
assert m
return m.group('id')
@classmethod
def working(cls):
"""Getter method for _WORKING."""