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update youtube.py

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This commit is contained in:
Mort Yao 2013-03-22 14:19:44 +01:00
parent 7476f2ab5d
commit 533633c716
1 changed files with 11 additions and 7 deletions
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18
src/you_get/downloader/youtube.py
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@ -34,12 +34,13 @@ youtube_codecs = [
def parse_video_info(raw_info):
"""Parser for YouTube's get_video_info data.
Returns a map, with 'url_encoded_fmt_stream_map' field being a sorted list.
Returns a dict, where 'url_encoded_fmt_stream_map' maps to a sorted list.
"""
# Percent-encoding reserved characters, used as separators.
separator = {
sepr = {
'&': '%26',
',': '%2C',
'=': '%3D',
}
@ -53,17 +54,20 @@ def parse_video_info(raw_info):
youtube_codecs],
range(len(youtube_codecs))))
# {key1: value1, key2: value2, ...,
# 'url_encoded_fmt_stream_map': [{'itag': '38', ...}, ...]
# }
return dict(
[(lambda metadata:
['url_encoded_fmt_stream_map', (
lambda url_encoded_fmt_stream_map:
lambda stream_map:
sorted(
[dict(
[sub_item.split(separator['='])
for sub_item in
item.split(separator['&'])])
[subitem.split(sepr['='])
for subitem in
item.split(sepr['&'])])
for item in
url_encoded_fmt_stream_map.split('%2C')],
stream_map.split(sepr[','])],
key =
lambda stream:
fmt_level[stream['itag']]))