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[youtube] Correct signature extraction error detection

This commit is contained in:
Philipp Hagemeister 2014-07-11 10:44:39 +02:00
parent 61989fb5e9
commit c8bf86d50d
1 changed files with 19 additions and 20 deletions
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39
youtube_dl/extractor/youtube.py
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@ -865,27 +865,26 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
def _decrypt_signature(self, s, video_id, player_url, age_gate=False): def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
"""Turn the encrypted s field into a working signature""" """Turn the encrypted s field into a working signature"""
if player_url is not None: if player_url is None:
if player_url.startswith(u'//'): raise ExtractorError(u'Cannot decrypt signature without player_url')
player_url = u'https:' + player_url
try:
player_id = (player_url, len(s))
if player_id not in self._player_cache:
func = self._extract_signature_function(
video_id, player_url, len(s)
)
self._player_cache[player_id] = func
func = self._player_cache[player_id]
if self._downloader.params.get('youtube_print_sig_code'):
self._print_sig_code(func, len(s))
return func(s)
except Exception as e:
tb = traceback.format_exc()
raise ExtractorError(
u'Automatic signature extraction failed: ' + tb, cause=e)
return self._static_decrypt_signature( if player_url.startswith(u'//'):
s, video_id, player_url, age_gate) player_url = u'https:' + player_url
try:
player_id = (player_url, len(s))
if player_id not in self._player_cache:
func = self._extract_signature_function(
video_id, player_url, len(s)
)
self._player_cache[player_id] = func
func = self._player_cache[player_id]
if self._downloader.params.get('youtube_print_sig_code'):
self._print_sig_code(func, len(s))
return func(s)
except Exception as e:
tb = traceback.format_exc()
raise ExtractorError(
u'Automatic signature extraction failed: ' + tb, cause=e)
def _get_available_subtitles(self, video_id, webpage): def _get_available_subtitles(self, video_id, webpage):
try: try: