from __future__ import unicode_literals import re from .common import InfoExtractor from ..utils import ExtractorError class TestURLIE(InfoExtractor): """ Allows addressing of the test cases as test:yout.*be_1 """ IE_DESC = False # Do not list _VALID_URL = r'test(?:url)?:(?P<id>(?P<extractor>.+?)(?:_(?P<num>[0-9]+))?)$' def _real_extract(self, url): from ..extractor import gen_extractors mobj = re.match(self._VALID_URL, url) video_id = mobj.group('id') extractor_id = mobj.group('extractor') all_extractors = gen_extractors() rex = re.compile(extractor_id, flags=re.IGNORECASE) matching_extractors = [ e for e in all_extractors if rex.search(e.IE_NAME)] if len(matching_extractors) == 0: raise ExtractorError( 'No extractors matching %r found' % extractor_id, expected=True) elif len(matching_extractors) > 1: # Is it obvious which one to pick? try: extractor = next( ie for ie in matching_extractors if ie.IE_NAME.lower() == extractor_id.lower()) except StopIteration: raise ExtractorError( ('Found multiple matching extractors: %s' % ' '.join(ie.IE_NAME for ie in matching_extractors)), expected=True) else: extractor = matching_extractors[0] num_str = mobj.group('num') num = int(num_str) if num_str else 0 testcases = [] t = getattr(extractor, '_TEST', None) if t: testcases.append(t) testcases.extend(getattr(extractor, '_TESTS', [])) try: tc = testcases[num] except IndexError: raise ExtractorError( ('Test case %d not found, got only %d tests' % (num, len(testcases))), expected=True) self.to_screen('Test URL: %s' % tc['url']) return self.url_result(tc['url'], video_id=video_id)