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import base64
import re
from . common import InfoExtractor
from . . utils import (
compat_urllib_parse ,
ExtractorError ,
)
class InfoQIE ( InfoExtractor ) :
_VALID_URL = r ' ^(?:https?://)?(?:www \ .)?infoq \ .com/[^/]+/[^/]+$ '
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_TEST = {
u " name " : u " InfoQ " ,
u " url " : u " http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things " ,
u " file " : u " 12-jan-pythonthings.mp4 " ,
u " info_dict " : {
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 "
} ,
u " params " : {
u " skip_download " : true
}
}
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def _real_extract ( self , url ) :
mobj = re . match ( self . _VALID_URL , url )
webpage = self . _download_webpage ( url , video_id = url )
self . report_extraction ( url )
# Extract video URL
mobj = re . search ( r " jsclassref ?= ? ' ([^ ' ]*) ' " , webpage )
if mobj is None :
raise ExtractorError ( u ' Unable to extract video url ' )
real_id = compat_urllib_parse . unquote ( base64 . b64decode ( mobj . group ( 1 ) . encode ( ' ascii ' ) ) . decode ( ' utf-8 ' ) )
video_url = ' rtmpe://video.infoq.com/cfx/st/ ' + real_id
# Extract title
video_title = self . _search_regex ( r ' contentTitle = " (.*?) " ; ' ,
webpage , u ' title ' )
# Extract description
video_description = self . _html_search_regex ( r ' <meta name= " description " content= " (.*) " (?: \ s*/)?> ' ,
webpage , u ' description ' , fatal = False )
video_filename = video_url . split ( ' / ' ) [ - 1 ]
video_id , extension = video_filename . split ( ' . ' )
info = {
' id ' : video_id ,
' url ' : video_url ,
' uploader ' : None ,
' upload_date ' : None ,
' title ' : video_title ,
' ext ' : extension , # Extension is always(?) mp4, but seems to be flv
' thumbnail ' : None ,
' description ' : video_description ,
}
return [ info ]