@ -8,11 +8,15 @@ from .common import InfoExtractor
from . . compat import (
compat_b64decode ,
compat_HTTPError ,
compat_str ,
)
from . . utils import (
clean_html ,
ExtractorError ,
orderedSet ,
unescapeHTML ,
js_to_json ,
parse_duration ,
try_get ,
unified_timestamp ,
urlencode_postdata ,
urljoin ,
)
@ -28,11 +32,15 @@ class LinuxAcademyIE(InfoExtractor):
)
'''
_TESTS = [ {
' url ' : ' https://linuxacademy.com/cp/courses/lesson/course/ 1498/lesson/2/module/154 ' ,
' url ' : ' https://linuxacademy.com/cp/courses/lesson/course/ 7971/lesson/2/module/675 ' ,
' info_dict ' : {
' id ' : ' 1498 -2' ,
' id ' : ' 7971 -2' ,
' ext ' : ' mp4 ' ,
' title ' : " Introduction to the Practitioner ' s Brief " ,
' title ' : ' What Is Data Science ' ,
' description ' : ' md5:c574a3c20607144fb36cb65bdde76c99 ' ,
' timestamp ' : 1607387907 ,
' upload_date ' : ' 20201208 ' ,
' duration ' : 304 ,
} ,
' params ' : {
' skip_download ' : True ,
@ -46,7 +54,8 @@ class LinuxAcademyIE(InfoExtractor):
' info_dict ' : {
' id ' : ' 154 ' ,
' title ' : ' AWS Certified Cloud Practitioner ' ,
' description ' : ' md5:039db7e60e4aac9cf43630e0a75fa834 ' ,
' description ' : ' md5:a68a299ca9bb98d41cca5abc4d4ce22c ' ,
' duration ' : 28835 ,
} ,
' playlist_count ' : 41 ,
' skip ' : ' Requires Linux Academy account credentials ' ,
@ -74,6 +83,7 @@ class LinuxAcademyIE(InfoExtractor):
self . _AUTHORIZE_URL , None , ' Downloading authorize page ' , query = {
' client_id ' : self . _CLIENT_ID ,
' response_type ' : ' token id_token ' ,
' response_mode ' : ' web_message ' ,
' redirect_uri ' : self . _ORIGIN_URL ,
' scope ' : ' openid email user_impersonation profile ' ,
' audience ' : self . _ORIGIN_URL ,
@ -129,7 +139,13 @@ class LinuxAcademyIE(InfoExtractor):
access_token = self . _search_regex (
r ' access_token=([^=&]+) ' , urlh . geturl ( ) ,
' access token ' )
' access token ' , default = None )
if not access_token :
access_token = self . _parse_json (
self . _search_regex (
r ' authorizationResponse \ s*= \ s*( { .+?}) \ s*; ' , callback_page ,
' authorization response ' ) , None ,
transform_source = js_to_json ) [ ' response ' ] [ ' access_token ' ]
self . _download_webpage (
' https://linuxacademy.com/cp/login/tokenValidateLogin/token/ %s '
@ -144,30 +160,84 @@ class LinuxAcademyIE(InfoExtractor):
# course path
if course_id :
entries = [
self . url_result (
urljoin ( url , lesson_url ) , ie = LinuxAcademyIE . ie_key ( ) )
for lesson_url in orderedSet ( re . findall (
r ' <a[^>]+ \ bhref=[ " \' ](/cp/courses/lesson/course/ \ d+/lesson/ \ d+/module/ \ d+) ' ,
webpage ) ) ]
title = unescapeHTML ( self . _html_search_regex (
( r ' class=[ " \' ]course-title[ " \' ][^>]*>(?P<value>[^<]+) ' ,
r ' var \ s+title \ s*= \ s*([ " \' ])(?P<value>(?:(?! \ 1).)+) \ 1 ' ) ,
webpage , ' title ' , default = None , group = ' value ' ) )
description = unescapeHTML ( self . _html_search_regex (
r ' var \ s+description \ s*= \ s*([ " \' ])(?P<value>(?:(?! \ 1).)+) \ 1 ' ,
webpage , ' description ' , default = None , group = ' value ' ) )
return self . playlist_result ( entries , course_id , title , description )
module = self . _parse_json (
self . _search_regex (
r ' window \ .module \ s*= \ s*( { .+?}) \ s*; ' , webpage , ' module ' ) ,
item_id )
entries = [ ]
chapter_number = None
chapter = None
chapter_id = None
for item in module [ ' items ' ] :
if not isinstance ( item , dict ) :
continue
def type_field ( key ) :
return ( try_get ( item , lambda x : x [ ' type ' ] [ key ] , compat_str ) or ' ' ) . lower ( )
type_fields = ( type_field ( ' name ' ) , type_field ( ' slug ' ) )
# Move to next module section
if ' section ' in type_fields :
chapter = item . get ( ' course_name ' )
chapter_id = item . get ( ' course_module ' )
chapter_number = 1 if not chapter_number else chapter_number + 1
continue
# Skip non-lessons
if ' lesson ' not in type_fields :
continue
lesson_url = urljoin ( url , item . get ( ' url ' ) )
if not lesson_url :
continue
title = item . get ( ' title ' ) or item . get ( ' lesson_name ' )
description = item . get ( ' md_desc ' ) or clean_html ( item . get ( ' description ' ) ) or clean_html ( item . get ( ' text ' ) )
entries . append ( {
' _type ' : ' url_transparent ' ,
' url ' : lesson_url ,
' ie_key ' : LinuxAcademyIE . ie_key ( ) ,
' title ' : title ,
' description ' : description ,
' timestamp ' : unified_timestamp ( item . get ( ' date ' ) ) or unified_timestamp ( item . get ( ' created_on ' ) ) ,
' duration ' : parse_duration ( item . get ( ' duration ' ) ) ,
' chapter ' : chapter ,
' chapter_id ' : chapter_id ,
' chapter_number ' : chapter_number ,
} )
return {
' _type ' : ' playlist ' ,
' entries ' : entries ,
' id ' : course_id ,
' title ' : module . get ( ' title ' ) ,
' description ' : module . get ( ' md_desc ' ) or clean_html ( module . get ( ' desc ' ) ) ,
' duration ' : parse_duration ( module . get ( ' duration ' ) ) ,
}
# single video path
info = self . _extract_jwplayer_data (
webpage , item_id , require_title = False , m3u8_id = ' hls ' , )
title = self . _search_regex (
( r ' >Lecture \ s*: \ s*(?P<value>[^<]+) ' ,
r ' lessonName \ s*= \ s*([ " \' ])(?P<value>(?:(?! \ 1).)+) \ 1 ' ) , webpage ,
' title ' , group = ' value ' )
info . update ( {
m3u8_url = self . _parse_json (
self . _search_regex (
r ' player \ .playlist \ s*= \ s*( \ [.+? \ ]) \ s*; ' , webpage , ' playlist ' ) ,
item_id ) [ 0 ] [ ' file ' ]
formats = self . _extract_m3u8_formats (
m3u8_url , item_id , ' mp4 ' , entry_protocol = ' m3u8_native ' ,
m3u8_id = ' hls ' )
self . _sort_formats ( formats )
info = {
' id ' : item_id ,
' title ' : title ,
} )
' formats ' : formats ,
}
lesson = self . _parse_json (
self . _search_regex (
( r ' window \ .lesson \ s*= \ s*( { .+?}) \ s*; ' ,
r ' player \ .lesson \ s*= \ s*( { .+?}) \ s*; ' ) ,
webpage , ' lesson ' , default = ' {} ' ) , item_id , fatal = False )
if lesson :
info . update ( {
' title ' : lesson . get ( ' lesson_name ' ) ,
' description ' : lesson . get ( ' md_desc ' ) or clean_html ( lesson . get ( ' desc ' ) ) ,
' timestamp ' : unified_timestamp ( lesson . get ( ' date ' ) ) or unified_timestamp ( lesson . get ( ' created_on ' ) ) ,
' duration ' : parse_duration ( lesson . get ( ' duration ' ) ) ,
} )
if not info . get ( ' title ' ) :
info [ ' title ' ] = self . _search_regex (
( r ' >Lecture \ s*: \ s*(?P<value>[^<]+) ' ,
r ' lessonName \ s*= \ s*([ " \' ])(?P<value>(?:(?! \ 1).)+) \ 1 ' ) , webpage ,
' title ' , group = ' value ' )
return info
pukkandan
5 years ago