youtube-dl/youtube_dl/extractor/infoq.py
2014-04-21 02:55:35 +02:00

57 lines
1.8 KiB
Python

from __future__ import unicode_literals
import base64
import re
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
)
class InfoQIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P<id>[^/]+)$'
_TEST = {
'name': 'InfoQ',
'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things',
'md5': 'fcaa3d995e04080dcb9465d86b5eef62',
'info_dict': {
'id': '12-jan-pythonthings',
'ext': 'mp4',
'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',
},
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
webpage = self._download_webpage(url, video_id)
video_title = self._html_search_regex(r'<title>(.*?)</title>', webpage, 'title')
video_description = self._html_search_meta('description', webpage, 'description')
# The server URL is hardcoded
video_url = 'rtmpe://video.infoq.com/cfx/st/'
# 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'))
playpath = 'mp4:' + real_id
video_filename = playpath.split('/')[-1]
video_id, extension = video_filename.split('.')
return {
'id': video_id,
'title': video_title,
'description': video_description,
'formats': [{
'url': video_url,
'ext': extension,
'play_path': playpath,
}],
}