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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 = {
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u ' name ' : u ' InfoQ ' ,
u ' url ' : u ' http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things ' ,
u ' md5 ' : u ' fcaa3d995e04080dcb9465d86b5eef62 ' ,
u ' info_dict ' : {
u ' id ' : u ' 12-jan-pythonthings ' ,
u ' ext ' : u ' mp4 ' ,
u ' description ' : u ' Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience. ' ,
u ' title ' : u ' A Few of My Favorite [Python] Things ' ,
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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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self . report_extraction ( video_id )
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video_title = self . _html_search_regex ( r ' <title>(.*?)</title> ' , webpage , ' title ' )
video_description = self . _html_search_meta ( ' description ' , webpage , ' description ' )
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# The server URL is hardcoded
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video_url = ' rtmpe://video.infoq.com/cfx/st/ '
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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 ' ) )
playpath = ' mp4: ' + real_id
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video_filename = playpath . split ( ' / ' ) [ - 1 ]
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video_id , extension = video_filename . split ( ' . ' )
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return [ {
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' id ' : video_id ,
' title ' : video_title ,
' description ' : video_description ,
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' formats ' : [ {
' url ' : video_url ,
' ext ' : extension ,
' play_path ' : playpath ,
} ] ,
} ]