youtube-dl/youtube_dl/extractor/infoq.py

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from __future__ import unicode_literals
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import base64
import re
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
)
class InfoQIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P<id>[^/]+)$'
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_TEST = {
"name": "InfoQ",
"url": "http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things",
"file": "12-jan-pythonthings.mp4",
"info_dict": {
"description": "Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience.",
"title": "A Few of My Favorite [Python] Things",
},
"params": {
"skip_download": True,
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},
}
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def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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webpage = self._download_webpage(url, video_id)
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# Extract video URL
encoded_id = self._search_regex(r"jsclassref ?= ?'([^']*)'", webpage, 'encoded id')
real_id = compat_urllib_parse.unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8'))
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video_url = 'rtmpe://video.infoq.com/cfx/st/' + real_id
# Extract title
video_title = self._search_regex(r'contentTitle = "(.*?)";',
webpage, 'title')
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# Extract description
video_description = self._html_search_regex(r'<meta name="description" content="(.*)"(?:\s*/)?>',
webpage, 'description', fatal=False)
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video_filename = video_url.split('/')[-1]
video_id, extension = video_filename.split('.')
return {
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'id': video_id,
'url': video_url,
'title': video_title,
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'ext': extension, # Extension is always(?) mp4, but seems to be flv
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'description': video_description,
}