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43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..compat import compat_parse_qs
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from ..utils import (
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ExtractorError,
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xpath_text,
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clean_html,
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)
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class OpenClassRoomIE(InfoExtractor):
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_VALID_URL = r'https?://openclassroom\.stanford\.edu/MainFolder/VideoPage\.php\?(?P<query>.*)'
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_TEST = {
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'url': 'http://openclassroom.stanford.edu/MainFolder/VideoPage.php?course=PracticalUnix&video=intro-environment&speed=100',
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'md5': '544a9468546059d4e80d76265b0443b8',
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'info_dict': {
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'id': 'intro-environment',
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'ext': 'mp4',
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'title': 'Intro Environment',
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'description': 'md5:7d57306c8649f814ca00bb80dada600e',
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}
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}
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_URL_TEMPLATE = 'http://openclassroom.stanford.edu/MainFolder/courses/%s/videos/%s'
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def _real_extract(self, url):
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qs = compat_parse_qs(re.match(self._VALID_URL, url).group('query'))
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if not qs.get('course') or not qs.get('video'):
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raise ExtractorError('Unsupported URL', expected=True)
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video_id = qs['video'][0]
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video_doc = self._download_xml(
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self._URL_TEMPLATE % (qs['course'][0], video_id + '.xml'), video_id)
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return {
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'id': video_id,
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'title': xpath_text(video_doc, 'title', 'title', True),
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'url': self._URL_TEMPLATE % (qs['course'][0], xpath_text(
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video_doc, 'videoFile', 'video url', True)),
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'description': clean_html(xpath_text(video_doc, 'text')),
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}
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