[youtube] Move decrypt_sig out of _parse_dash_manifest

This commit is contained in:
Yen Chi Hsuan 2016-01-30 20:05:56 +08:00
parent c140629995
commit 05d0d131a7

View file

@ -1035,22 +1035,7 @@ def _extract_annotations(self, video_id):
url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
return self._download_webpage(url, video_id, note='Searching for annotations.', errnote='Unable to download video annotations.')
def _parse_dash_manifest(
self, video_id, dash_manifest_url, player_url, age_gate, fatal=True):
def decrypt_sig(mobj):
s = mobj.group(1)
dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
return '/signature/%s' % dec_s
dash_manifest_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, dash_manifest_url)
dash_doc = self._download_xml(
dash_manifest_url, video_id,
note='Downloading DASH manifest',
errnote='Could not download DASH manifest',
fatal=fatal)
if dash_doc is False:
return []
def _parse_dash_manifest(self, video_id, dash_doc, fatal=True):
formats = []
for a in dash_doc.findall('.//{urn:mpeg:DASH:schema:MPD:2011}AdaptationSet'):
mime_type = a.attrib.get('mimeType')
@ -1533,8 +1518,19 @@ def _map_to_format_list(urlmap):
for dash_manifest_url in dash_mpds:
dash_formats = {}
try:
for df in self._parse_dash_manifest(
video_id, dash_manifest_url, player_url, age_gate, dash_mpd_fatal):
def decrypt_sig(mobj):
s = mobj.group(1)
dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
return '/signature/%s' % dec_s
dash_manifest_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, dash_manifest_url)
dash_doc = self._download_xml(
dash_manifest_url, video_id,
note='Downloading DASH manifest',
errnote='Could not download DASH manifest',
fatal=dash_mpd_fatal)
for df in self._parse_dash_manifest(video_id, dash_doc, dash_mpd_fatal):
# Do not overwrite DASH format found in some previous DASH manifest
if df['format_id'] not in dash_formats:
dash_formats[df['format_id']] = df