import re
import json
+from .subtitles import SubtitlesInfoExtractor
from .common import InfoExtractor
-from ..utils import ExtractorError
-
-
-class LyndaIE(InfoExtractor):
+from ..compat import (
+ compat_str,
+ compat_urllib_parse,
+ compat_urllib_request,
+)
+from ..utils import (
+ ExtractorError,
+ int_or_none,
+)
+
+
+class LyndaIE(SubtitlesInfoExtractor):
IE_NAME = 'lynda'
IE_DESC = 'lynda.com videos'
_VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html'
+ _LOGIN_URL = 'https://www.lynda.com/login/login.aspx'
+ _NETRC_MACHINE = 'lynda'
+
+ _SUCCESSFUL_LOGIN_REGEX = r'isLoggedIn: true'
+ _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
+
+ ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
_TEST = {
'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
- 'file': '114408.mp4',
'md5': 'ecfc6862da89489161fb9cd5f5a6fac1',
- u"info_dict": {
+ 'info_dict': {
+ 'id': '114408',
+ 'ext': 'mp4',
'title': 'Using the exercise files',
'duration': 68
}
}
+ def _real_initialize(self):
+ self._login()
+
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group(1)
- page = self._download_webpage('http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
- video_id, 'Downloading video JSON')
+ page = self._download_webpage('http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id, video_id,
+ 'Downloading video JSON')
video_json = json.loads(page)
- if 'Status' in video_json and video_json['Status'] == 'NotFound':
- raise ExtractorError('Video %s does not exist' % video_id, expected=True)
+ if 'Status' in video_json:
+ raise ExtractorError('lynda returned error: %s' % video_json['Message'], expected=True)
if video_json['HasAccess'] is False:
- raise ExtractorError('Video %s is only available for members' % video_id, expected=True)
+ raise ExtractorError(
+ 'Video %s is only available for members. ' % video_id + self.ACCOUNT_CREDENTIALS_HINT, expected=True)
- video_id = video_json['ID']
+ video_id = compat_str(video_json['ID'])
duration = video_json['DurationInSeconds']
title = video_json['Title']
- formats = [{'url': fmt['Url'],
+ formats = []
+
+ fmts = video_json.get('Formats')
+ if fmts:
+ formats.extend([
+ {
+ 'url': fmt['Url'],
'ext': fmt['Extension'],
'width': fmt['Width'],
'height': fmt['Height'],
'filesize': fmt['FileSize'],
- 'format_id': fmt['Resolution']
- } for fmt in video_json['Formats']]
-
+ 'format_id': str(fmt['Resolution'])
+ } for fmt in fmts])
+
+ prioritized_streams = video_json.get('PrioritizedStreams')
+ if prioritized_streams:
+ formats.extend([
+ {
+ 'url': video_url,
+ 'width': int_or_none(format_id),
+ 'format_id': format_id,
+ } for format_id, video_url in prioritized_streams['0'].items()
+ ])
+
+ self._check_formats(formats, video_id)
self._sort_formats(formats)
+ if self._downloader.params.get('listsubtitles', False):
+ self._list_available_subtitles(video_id, page)
+ return
+
+ subtitles = self._fix_subtitles(self.extract_subtitles(video_id, page))
+
return {
'id': video_id,
'title': title,
'duration': duration,
+ 'subtitles': subtitles,
'formats': formats
}
+ def _login(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ return
+
+ login_form = {
+ 'username': username,
+ 'password': password,
+ 'remember': 'false',
+ 'stayPut': 'false'
+ }
+ request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form))
+ login_page = self._download_webpage(request, None, 'Logging in as %s' % username)
+
+ # Not (yet) logged in
+ m = re.search(r'loginResultJson = \'(?P<json>[^\']+)\';', login_page)
+ if m is not None:
+ response = m.group('json')
+ response_json = json.loads(response)
+ state = response_json['state']
+
+ if state == 'notlogged':
+ raise ExtractorError('Unable to login, incorrect username and/or password', expected=True)
+
+ # This is when we get popup:
+ # > You're already logged in to lynda.com on two devices.
+ # > If you log in here, we'll log you out of another device.
+ # So, we need to confirm this.
+ if state == 'conflicted':
+ confirm_form = {
+ 'username': '',
+ 'password': '',
+ 'resolve': 'true',
+ 'remember': 'false',
+ 'stayPut': 'false',
+ }
+ request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(confirm_form))
+ login_page = self._download_webpage(request, None, 'Confirming log in and log out from another device')
+
+ if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
+ raise ExtractorError('Unable to log in')
+
+ def _fix_subtitles(self, subtitles):
+ if subtitles is None:
+ return subtitles # subtitles not requested
+
+ fixed_subtitles = {}
+ for k, v in subtitles.items():
+ subs = json.loads(v)
+ if len(subs) == 0:
+ continue
+ srt = ''
+ for pos in range(0, len(subs) - 1):
+ seq_current = subs[pos]
+ m_current = re.match(self._TIMECODE_REGEX, seq_current['Timecode'])
+ if m_current is None:
+ continue
+ seq_next = subs[pos + 1]
+ m_next = re.match(self._TIMECODE_REGEX, seq_next['Timecode'])
+ if m_next is None:
+ continue
+ appear_time = m_current.group('timecode')
+ disappear_time = m_next.group('timecode')
+ text = seq_current['Caption']
+ srt += '%s\r\n%s --> %s\r\n%s' % (str(pos), appear_time, disappear_time, text)
+ if srt:
+ fixed_subtitles[k] = srt
+ return fixed_subtitles
+
+ def _get_available_subtitles(self, video_id, webpage):
+ url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
+ sub = self._download_webpage(url, None, False)
+ sub_json = json.loads(sub)
+ return {'en': url} if len(sub_json) > 0 else {}
+
class LyndaCourseIE(InfoExtractor):
IE_NAME = 'lynda:course'
unaccessible_videos = 0
videos = []
+ (username, _) = self._get_login_info()
+
+ # Might want to extract videos right here from video['Formats'] as it seems 'Formats' is not provided
+ # by single video API anymore
for chapter in course_json['Chapters']:
for video in chapter['Videos']:
- if video['HasAccess'] is not True:
+ if username is None and video['HasAccess'] is False:
unaccessible_videos += 1
continue
videos.append(video['ID'])
if unaccessible_videos > 0:
- self._downloader.report_warning('%s videos are only available for members and will not be downloaded' % unaccessible_videos)
+ self._downloader.report_warning('%s videos are only available for members and will not be downloaded. '
+ % unaccessible_videos + LyndaIE.ACCOUNT_CREDENTIALS_HINT)
entries = [
self.url_result('http://www.lynda.com/%s/%s-4.html' %