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fix(deezer): resolve link.deezer.com short URLs and tighten playlist … #216

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fix(deezer): resolve link.deezer.com short URLs and tighten playlist … #216

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19 changes: 16 additions & 3 deletions deezer_downloader/deezer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -416,14 +416,27 @@ def deezer_search(search, search_type):

def parse_deezer_playlist(playlist_id):
# playlist_id: id of the playlist or the url of it
# e.g. https://www.deezer.com/de/playlist/6046721604 or 6046721604
# accepted forms:
# - <id>
# - https://www.deezer.com/<locale>/playlist/<id>
# - https://link.deezer.com/s/<short> (resolved via redirect)
# return (playlist_name, list of songs) (song is a dict with information about the song)
# raises DeezerApiException if something with the Deezer API is broken

if "link.deezer.com" in playlist_id:
try:
resp = requests.head(playlist_id, allow_redirects=True, timeout=10)
playlist_id = resp.url
except requests.RequestException as e:
raise DeezerApiException("ERROR: could not resolve short link '{}': {}".format(playlist_id, e))

try:
playlist_id = re.search(r'\d+', playlist_id).group(0)
playlist_id = re.search(r'/playlist/(\d+)', playlist_id).group(1)
except AttributeError:
raise DeezerApiException("ERROR: Regex (\\d+) for playlist_id failed. You gave me '{}'".format(playlist_id))
try:
playlist_id = re.search(r'^\d+$', playlist_id).group(0)
except AttributeError:
raise DeezerApiException("ERROR: could not extract playlist id from '{}'".format(playlist_id))

url_get_csrf_token = "https://www.deezer.com/ajax/gw-light.php?method=deezer.getUserData&input=3&api_version=1.0&api_token="
req = session.post(url_get_csrf_token)
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