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Code Issues Releases Activity

[udemy] Extract formats from view_html (Closes #8979)

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This commit is contained in:
Sergey M․ 2016-03-26 23:42:34 +06:00
parent 6dee688e6d
commit efcba804f6
1 changed files with 37 additions and 4 deletions
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41
youtube_dl/extractor/udemy.py
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@ -1,5 +1,7 @@
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..compat import (
compat_HTTPError,
@ -8,6 +10,8 @@
compat_urlparse,
)
from ..utils import (
determine_ext,
extract_attributes,
ExtractorError,
float_or_none,
int_or_none,
@ -73,11 +77,8 @@ def _download_lecture(self, course_id, lecture_id):
return self._download_json(
'https://www.udemy.com/api-2.0/users/me/subscribed-courses/%s/lectures/%s?%s' % (
course_id, lecture_id, compat_urllib_parse_urlencode({
'video_only': '',
'auto_play': '',
'fields[lecture]': 'title,description,asset',
'fields[lecture]': 'title,description,view_html,asset',
'fields[asset]': 'asset_type,stream_url,thumbnail_url,download_urls,data',
'instructorPreviewMode': 'False',
})),
lecture_id, 'Downloading lecture JSON')
@ -246,6 +247,38 @@ def extract_output_format(src):
f['format_id'] = '%sp' % format_id
formats.append(f)
view_html = lecture.get('view_html')
if view_html:
view_html_urls = set()
for source in re.findall(r'<source[^>]+>', view_html):
attributes = extract_attributes(source)
src = attributes.get('src')
if not src:
continue
res = attributes.get('data-res')
height = int_or_none(res)
if src in view_html_urls:
continue
view_html_urls.add(src)
if attributes.get('type') == 'application/x-mpegURL' or determine_ext(src) == 'm3u8':
m3u8_formats = self._extract_m3u8_formats(
src, video_id, 'mp4', entry_protocol='m3u8_native',
m3u8_id='hls', fatal=False)
for f in m3u8_formats:
m = re.search(r'/hls_(?P<height>\d{3,4})_(?P<tbr>\d{2,})/', f['url'])
if m:
if not f.get('height'):
f['height'] = int(m.group('height'))
if not f.get('tbr'):
f['tbr'] = int(m.group('tbr'))
formats.extend(m3u8_formats)
else:
formats.append({
'url': src,
'format_id': '%dp' % height if height else None,
'height': height,
})
self._sort_formats(formats)
return {