Import Upstream version 2020.01.24

[youtubedl] / youtube_dl / extractor / lynda.py

diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py
index a98c4c530ec4d62a18b437d5c17275daec5c3dfb..b3d8653d078c73ce75a4de69d109d085a57f6308 100644 (file)
--- a/youtube_dl/extractor/lynda.py
+++ b/youtube_dl/extractor/lynda.py
@@ -4,7 +4,6 @@ import re
 
 from .common import InfoExtractor
 from ..compat import (
 
 from .common import InfoExtractor
 from ..compat import (

-    compat_HTTPError,

     compat_str,
     compat_urlparse,
 )
     compat_str,
     compat_urlparse,
 )


@@ -16,7 +15,7 @@ from ..utils import (
 
 
 class LyndaBaseIE(InfoExtractor):
 
 
 class LyndaBaseIE(InfoExtractor):

-    _SIGNIN_URL = 'https://www.lynda.com/signin'
+    _SIGNIN_URL = 'https://www.lynda.com/signin/lynda'

     _PASSWORD_URL = 'https://www.lynda.com/signin/password'
     _USER_URL = 'https://www.lynda.com/signin/user'
     _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
     _PASSWORD_URL = 'https://www.lynda.com/signin/password'
     _USER_URL = 'https://www.lynda.com/signin/user'
     _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'


@@ -44,21 +43,15 @@ class LyndaBaseIE(InfoExtractor):
         form_data = self._hidden_inputs(form_html)
         form_data.update(extra_form_data)
 
         form_data = self._hidden_inputs(form_html)
         form_data.update(extra_form_data)
 

-        try:
-            response = self._download_json(
-                action_url, None, note,
-                data=urlencode_postdata(form_data),
-                headers={
-                    'Referer': referrer_url,
-                    'X-Requested-With': 'XMLHttpRequest',
-                })
-        except ExtractorError as e:
-            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 500:
-                response = self._parse_json(e.cause.read().decode('utf-8'), None)
-                self._check_error(response, ('email', 'password'))
-            raise
-
-        self._check_error(response, 'ErrorMessage')
+        response = self._download_json(
+            action_url, None, note,
+            data=urlencode_postdata(form_data),
+            headers={
+                'Referer': referrer_url,
+                'X-Requested-With': 'XMLHttpRequest',
+            }, expected_status=(418, 500, ))
+
+        self._check_error(response, ('email', 'password', 'ErrorMessage'))

 
         return response, action_url
 
 
         return response, action_url
 


@@ -73,7 +66,7 @@ class LyndaBaseIE(InfoExtractor):
 
         # Already logged in
         if any(re.search(p, signin_page) for p in (
 
         # Already logged in
         if any(re.search(p, signin_page) for p in (

-                'isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):
+                r'isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):

             return
 
         # Step 2: submit email
             return
 
         # Step 2: submit email


@@ -94,12 +87,20 @@ class LyndaBaseIE(InfoExtractor):
 class LyndaIE(LyndaBaseIE):
     IE_NAME = 'lynda'
     IE_DESC = 'lynda.com videos'
 class LyndaIE(LyndaBaseIE):
     IE_NAME = 'lynda'
     IE_DESC = 'lynda.com videos'

-    _VALID_URL = r'https?://www\.lynda\.com/(?:[^/]+/[^/]+/\d+|player/embed)/(?P<id>\d+)'
+    _VALID_URL = r'''(?x)
+                    https?://
+                        (?:www\.)?(?:lynda\.com|educourse\.ga)/
+                        (?:
+                            (?:[^/]+/){2,3}(?P<course_id>\d+)|
+                            player/embed
+                        )/
+                        (?P<id>\d+)
+                    '''

 
     _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
 
     _TESTS = [{
 
     _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
 
     _TESTS = [{

-        'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
+        'url': 'https://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',

         # md5 is unstable
         'info_dict': {
             'id': '114408',
         # md5 is unstable
         'info_dict': {
             'id': '114408',


@@ -110,21 +111,83 @@ class LyndaIE(LyndaBaseIE):
     }, {
         'url': 'https://www.lynda.com/player/embed/133770?tr=foo=1;bar=g;fizz=rt&fs=0',
         'only_matching': True,
     }, {
         'url': 'https://www.lynda.com/player/embed/133770?tr=foo=1;bar=g;fizz=rt&fs=0',
         'only_matching': True,

+    }, {
+        'url': 'https://educourse.ga/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.lynda.com/de/Graphic-Design-tutorials/Willkommen-Grundlagen-guten-Gestaltung/393570/393572-4.html',
+        'only_matching': True,
+    }, {
+        # Status="NotFound", Message="Transcript not found"
+        'url': 'https://www.lynda.com/ASP-NET-tutorials/What-you-should-know/5034180/2811512-4.html',
+        'only_matching': True,

     }]
 
     }]
 

+    def _raise_unavailable(self, video_id):
+        self.raise_login_required(
+            'Video %s is only available for members' % video_id)
+

     def _real_extract(self, url):
     def _real_extract(self, url):

-        video_id = self._match_id(url)
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id')
+        course_id = mobj.group('course_id')
+
+        query = {
+            'videoId': video_id,
+            'type': 'video',
+        }

 
         video = self._download_json(
 
         video = self._download_json(

-            'http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
-            video_id, 'Downloading video JSON')
+            'https://www.lynda.com/ajax/player', video_id,
+            'Downloading video JSON', fatal=False, query=query)
+
+        # Fallback scenario
+        if not video:
+            query['courseId'] = course_id
+
+            play = self._download_json(
+                'https://www.lynda.com/ajax/course/%s/%s/play'
+                % (course_id, video_id), video_id, 'Downloading play JSON')
+
+            if not play:
+                self._raise_unavailable(video_id)
+
+            formats = []
+            for formats_dict in play:
+                urls = formats_dict.get('urls')
+                if not isinstance(urls, dict):
+                    continue
+                cdn = formats_dict.get('name')
+                for format_id, format_url in urls.items():
+                    if not format_url:
+                        continue
+                    formats.append({
+                        'url': format_url,
+                        'format_id': '%s-%s' % (cdn, format_id) if cdn else format_id,
+                        'height': int_or_none(format_id),
+                    })
+            self._sort_formats(formats)
+
+            conviva = self._download_json(
+                'https://www.lynda.com/ajax/player/conviva', video_id,
+                'Downloading conviva JSON', query=query)
+
+            return {
+                'id': video_id,
+                'title': conviva['VideoTitle'],
+                'description': conviva.get('VideoDescription'),
+                'release_year': int_or_none(conviva.get('ReleaseYear')),
+                'duration': int_or_none(conviva.get('Duration')),
+                'creator': conviva.get('Author'),
+                'formats': formats,
+            }

 
         if 'Status' in video:
             raise ExtractorError(
                 'lynda returned error: %s' % video['Message'], expected=True)
 
         if video.get('HasAccess') is False:
 
         if 'Status' in video:
             raise ExtractorError(
                 'lynda returned error: %s' % video['Message'], expected=True)
 
         if video.get('HasAccess') is False:

-            self.raise_login_required('Video %s is only available for members' % video_id)
+            self._raise_unavailable(video_id)

 
         video_id = compat_str(video.get('ID') or video_id)
         duration = int_or_none(video.get('DurationInSeconds'))
 
         video_id = compat_str(video.get('ID') or video_id)
         duration = int_or_none(video.get('DurationInSeconds'))


@@ -148,7 +211,7 @@ class LyndaIE(LyndaBaseIE):
             for prioritized_stream_id, prioritized_stream in prioritized_streams.items():
                 formats.extend([{
                     'url': video_url,
             for prioritized_stream_id, prioritized_stream in prioritized_streams.items():
                 formats.extend([{
                     'url': video_url,

-                    'width': int_or_none(format_id),
+                    'height': int_or_none(format_id),

                     'format_id': '%s-%s' % (prioritized_stream_id, format_id),
                 } for format_id, video_url in prioritized_stream.items()])
 
                     'format_id': '%s-%s' % (prioritized_stream_id, format_id),
                 } for format_id, video_url in prioritized_stream.items()])
 


@@ -187,12 +250,18 @@ class LyndaIE(LyndaBaseIE):
             return srt
 
     def _get_subtitles(self, video_id):
             return srt
 
     def _get_subtitles(self, video_id):

-        url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
-        subs = self._download_json(url, None, False)
-        if subs:
-            return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]}
-        else:
+        url = 'https://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
+        subs = self._download_webpage(
+            url, video_id, 'Downloading subtitles JSON', fatal=False)
+        if not subs or 'Status="NotFound"' in subs:
+            return {}
+        subs = self._parse_json(subs, video_id, fatal=False)
+        if not subs:

             return {}
             return {}

+        fixed_subs = self._fix_subtitles(subs)
+        if fixed_subs:
+            return {'en': [{'ext': 'srt', 'data': fixed_subs}]}
+        return {}

 
 
 class LyndaCourseIE(LyndaBaseIE):
 
 
 class LyndaCourseIE(LyndaBaseIE):


@@ -201,16 +270,39 @@ class LyndaCourseIE(LyndaBaseIE):
 
     # Course link equals to welcome/introduction video link of same course
     # We will recognize it as course link
 
     # Course link equals to welcome/introduction video link of same course
     # We will recognize it as course link

-    _VALID_URL = r'https?://(?:www|m)\.lynda\.com/(?P<coursepath>[^/]+/[^/]+/(?P<courseid>\d+))-\d\.html'
+    _VALID_URL = r'https?://(?:www|m)\.(?:lynda\.com|educourse\.ga)/(?P<coursepath>(?:[^/]+/){2,3}(?P<courseid>\d+))-2\.html'
+
+    _TESTS = [{
+        'url': 'https://www.lynda.com/Graphic-Design-tutorials/Grundlagen-guten-Gestaltung/393570-2.html',
+        'only_matching': True,
+    }, {
+        'url': 'https://www.lynda.com/de/Graphic-Design-tutorials/Grundlagen-guten-Gestaltung/393570-2.html',
+        'only_matching': True,
+    }]

 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         course_path = mobj.group('coursepath')
         course_id = mobj.group('courseid')
 
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         course_path = mobj.group('coursepath')
         course_id = mobj.group('courseid')
 

+        item_template = 'https://www.lynda.com/%s/%%s-4.html' % course_path
+

         course = self._download_json(
         course = self._download_json(

-            'http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
-            course_id, 'Downloading course JSON')
+            'https://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
+            course_id, 'Downloading course JSON', fatal=False)
+
+        if not course:
+            webpage = self._download_webpage(url, course_id)
+            entries = [
+                self.url_result(
+                    item_template % video_id, ie=LyndaIE.ie_key(),
+                    video_id=video_id)
+                for video_id in re.findall(
+                    r'data-video-id=["\'](\d+)', webpage)]
+            return self.playlist_result(
+                entries, course_id,
+                self._og_search_title(webpage, fatal=False),
+                self._og_search_description(webpage))

 
         if course.get('Status') == 'NotFound':
             raise ExtractorError(
 
         if course.get('Status') == 'NotFound':
             raise ExtractorError(


@@ -231,7 +323,7 @@ class LyndaCourseIE(LyndaBaseIE):
                 if video_id:
                     entries.append({
                         '_type': 'url_transparent',
                 if video_id:
                     entries.append({
                         '_type': 'url_transparent',

-                        'url': 'http://www.lynda.com/%s/%s-4.html' % (course_path, video_id),
+                        'url': item_template % video_id,

                         'ie_key': LyndaIE.ie_key(),
                         'chapter': chapter.get('Title'),
                         'chapter_number': int_or_none(chapter.get('ChapterIndex')),
                         'ie_key': LyndaIE.ie_key(),
                         'chapter': chapter.get('Title'),
                         'chapter_number': int_or_none(chapter.get('ChapterIndex')),