def _call_cms(self, path, video_id, note):
if not self._CMS_SIGNING:
- self._CMS_SIGNING = self._call_api('index', video_id, 'CMS Signing')['cms_signing']
+ index = self._call_api('index', video_id, 'CMS Signing')
+ self._CMS_SIGNING = index.get('cms_signing') or {}
+ if not self._CMS_SIGNING:
+ for signing_policy in index.get('signing_policies', []):
+ signing_path = signing_policy.get('path')
+ if signing_path and signing_path.startswith('/cms/'):
+ name, value = signing_policy.get('name'), signing_policy.get('value')
+ if name and value:
+ self._CMS_SIGNING[name] = value
return self._download_json(
self._API_DOMAIN + path, video_id, query=self._CMS_SIGNING,
note='Downloading %s JSON metadata' % note, headers=self.geo_verification_headers())