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[bandcamp] Use our API to get more stable error messages (#1194)

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This commit is contained in:
Philipp Hagemeister 2015-02-09 19:08:51 +01:00
parent 28f1272870
commit 99c2398bc6
1 changed files with 10 additions and 7 deletions
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17
youtube_dl/extractor/bandcamp.py
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@ -72,26 +72,29 @@ def _real_extract(self, url):
download_link = m_download.group(1)
video_id = self._search_regex(
r'var TralbumData = {.*?id: (?P<id>\d+),?$',
webpage, 'video id', flags=re.MULTILINE | re.DOTALL)
r'(?ms)var TralbumData = {.*?id: (?P<id>\d+),?$',
webpage, 'video id')
download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page')
# We get the dictionary of the track from some javascript code
info = re.search(r'items: (.*?),$', download_webpage, re.MULTILINE).group(1)
info = json.loads(info)[0]
all_info = self._parse_json(self._search_regex(
r'(?sm)items: (.*?),$', download_webpage, 'items'), video_id)
info = All_info[0]
# We pick mp3-320 for now, until format selection can be easily implemented.
mp3_info = info['downloads']['mp3-320']
# If we try to use this url it says the link has expired
initial_url = mp3_info['url']
re_url = r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$'
m_url = re.match(re_url, initial_url)
m_url = re.match(
r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$',
initial_url)
# We build the url we will use to get the final track url
# This url is build in Bandcamp in the script download_bunde_*.js
request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), video_id, m_url.group('ts'))
final_url_webpage = self._download_webpage(request_url, video_id, 'Requesting download url')
# If we could correctly generate the .rand field the url would be
# in the "download_url" key
final_url = re.search(r'"retry_url":"(.*?)"', final_url_webpage).group(1)
final_url = self._search_regex(
r'"retry_url":"(.*?)"', final_url_webpage, 'final video URL')
return {
'id': video_id,