improve generic and encrypted signature error messages

This commit is contained in:
Filippo Valsorda 2013-06-25 16:43:29 +02:00
parent f7ab6cbe16
commit 98bcd2834a
3 changed files with 6 additions and 5 deletions

View file

@ -129,12 +129,13 @@ class YoutubeIE(InfoExtractor):
"""Indicate the download will use the RTMP protocol."""
self.to_screen(u'RTMP download detected')
@staticmethod
def _decrypt_signature(s):
def _decrypt_signature(self, s):
"""Decrypt the key the two subkeys must have a length of 43"""
(a,b) = s.split('.')
if len(a) != 43 or len(b) != 43:
raise ExtractorError(u'Unable to decrypt signature, subkeys lengths not valid')
raise ExtractorError(u'Unable to decrypt signature, subkeys lengths %d.%d not supported; retrying might work' % (len(a), len(b)))
if self._downloader.params.get('verbose'):
self.to_screen('encrypted signature length %d.%d' % (len(a), len(b)))
b = ''.join([b[:8],a[0],b[9:18],b[-4],b[19:39], b[18]])[0:40]
a = a[-40:]
s_dec = '.'.join((a,b))[::-1]