40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
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import re
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from .common import InfoExtractor
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class AcademicEarthCourseIE(InfoExtractor):
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_VALID_URL = r'^https?://(?:www\.)?academicearth\.org/playlists/(?P<id>[^?#/]+)'
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IE_NAME = 'AcademicEarth:Course'
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_TEST = {
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'url': 'http://academicearth.org/playlists/laws-of-nature/',
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'info_dict': {
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'id': 'laws-of-nature',
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'title': 'Laws of Nature',
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'description': 'Introduce yourself to the laws of nature with these free online college lectures from Yale, Harvard, and MIT.',
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},
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'playlist_count': 3,
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}
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def _real_extract(self, url):
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playlist_id = self._match_id(url)
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webpage = self._download_webpage(url, playlist_id)
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title = self._html_search_regex(
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r'<h1 class="playlist-name"[^>]*?>(.*?)</h1>', webpage, 'title')
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description = self._html_search_regex(
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r'<p class="excerpt"[^>]*?>(.*?)</p>',
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webpage, 'description', fatal=False)
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urls = re.findall(
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r'<li class="lecture-preview">\s*?<a target="_blank" href="([^"]+)">',
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webpage)
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entries = [self.url_result(u) for u in urls]
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return {
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'_type': 'playlist',
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'id': playlist_id,
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'title': title,
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'description': description,
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'entries': entries,
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}
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