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Merge pull request #2138 from dstftw/lynda-membership-support
[lynda] Add support for member accounts and paid videos (Closes #2125)
This commit is contained in:
Philipp Hagemeister
commit
aadc71642a
@ -5,13 +5,24 @@
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from .subtitles import SubtitlesInfoExtractor
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from .common import InfoExtractor
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from ..utils import ExtractorError
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from ..utils import (
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compat_urllib_parse,
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compat_urllib_request,
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ExtractorError
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)
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class LyndaIE(SubtitlesInfoExtractor):
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IE_NAME = 'lynda'
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IE_DESC = 'lynda.com videos'
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_VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html'
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_LOGIN_URL = 'https://www.lynda.com/login/login.aspx'
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_NETRC_MACHINE = 'lynda'
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_SUCCESSFUL_LOGIN_REGEX = r'<a href="https://www.lynda.com/home/userAccount/ChangeContactInfo.aspx" data-qa="eyebrow_account_menu">My account'
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_TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
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ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
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_TEST = {
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'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
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@ -22,7 +33,10 @@ class LyndaIE(SubtitlesInfoExtractor):
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'duration': 68
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}
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}
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def _real_initialize(self):
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self._login()
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group(1)
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@ -31,11 +45,11 @@ def _real_extract(self, url):
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video_id, 'Downloading video JSON')
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video_json = json.loads(page)
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if 'Status' in video_json and video_json['Status'] == 'NotFound':
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raise ExtractorError('Video %s does not exist' % video_id, expected=True)
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if 'Status' in video_json:
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raise ExtractorError('lynda returned error: %s' % video_json['Message'], expected=True)
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if video_json['HasAccess'] is False:
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raise ExtractorError('Video %s is only available for members' % video_id, expected=True)
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raise ExtractorError('Video %s is only available for members. ' % video_id + self.ACCOUNT_CREDENTIALS_HINT, expected=True)
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video_id = video_json['ID']
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duration = video_json['DurationInSeconds']
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@ -50,13 +64,13 @@ def _real_extract(self, url):
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} for fmt in video_json['Formats']]
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self._sort_formats(formats)
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if self._downloader.params.get('listsubtitles', False):
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self._list_available_subtitles(video_id, page)
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return
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subtitles = self._fix_subtitles(self.extract_subtitles(video_id, page))
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return {
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'id': video_id,
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'title': title,
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@ -64,8 +78,48 @@ def _real_extract(self, url):
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'subtitles': subtitles,
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'formats': formats
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}
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_TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
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def _login(self):
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(username, password) = self._get_login_info()
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if username is None:
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return
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login_form = {
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'username': username,
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'password': password,
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'remember': 'false',
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'stayPut': 'false'
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}
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request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form))
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login_page = self._download_webpage(request, None, note='Logging in as %s' % username)
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# Not (yet) logged in
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m = re.search(r'loginResultJson = \'(?P<json>[^\']+)\';', login_page)
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if m is not None:
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response = m.group('json')
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response_json = json.loads(response)
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state = response_json['state']
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if state == 'notlogged':
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raise ExtractorError('Unable to login, incorrect username and/or password', expected=True)
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# This is when we get popup:
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# > You're already logged in to lynda.com on two devices.
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# > If you log in here, we'll log you out of another device.
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# So, we need to confirm this.
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if state == 'conflicted':
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confirm_form = {
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'username': '',
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'password': '',
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'resolve': 'true',
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'remember': 'false',
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'stayPut': 'false',
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}
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request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(confirm_form))
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login_page = self._download_webpage(request, None, note='Confirming log in and log out from another device')
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if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
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raise ExtractorError('Unable to log in')
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def _fix_subtitles(self, subtitles):
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if subtitles is None:
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@ -93,7 +147,7 @@ def _fix_subtitles(self, subtitles):
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if srt:
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fixed_subtitles[k] = srt
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return fixed_subtitles
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def _get_available_subtitles(self, video_id, webpage):
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url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
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sub = self._download_webpage(url, None, note=False)
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@ -113,7 +167,7 @@ def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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course_path = mobj.group('coursepath')
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course_id = mobj.group('courseid')
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page = self._download_webpage('http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
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course_id, 'Downloading course JSON')
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course_json = json.loads(page)
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@ -123,16 +177,18 @@ def _real_extract(self, url):
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unaccessible_videos = 0
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videos = []
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(username, _) = self._get_login_info()
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for chapter in course_json['Chapters']:
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for video in chapter['Videos']:
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if video['HasAccess'] is not True:
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if username is None and video['HasAccess'] is False:
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unaccessible_videos += 1
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continue
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videos.append(video['ID'])
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if unaccessible_videos > 0:
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self._downloader.report_warning('%s videos are only available for members and will not be downloaded' % unaccessible_videos)
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self._downloader.report_warning('%s videos are only available for members and will not be downloaded. '
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% unaccessible_videos + LyndaIE.ACCOUNT_CREDENTIALS_HINT)
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entries = [
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self.url_result('http://www.lynda.com/%s/%s-4.html' %
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@ -142,4 +198,4 @@ def _real_extract(self, url):
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course_title = course_json['Title']
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return self.playlist_result(entries, course_id, course_title)
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return self.playlist_result(entries, course_id, course_title)
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