import re
import json
-from .subtitles import SubtitlesInfoExtractor
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urllib_parse,
- compat_urllib_request,
)
from ..utils import (
ExtractorError,
+ clean_html,
int_or_none,
+ sanitized_Request,
)
-class LyndaIE(SubtitlesInfoExtractor):
+class LyndaBaseIE(InfoExtractor):
+ _LOGIN_URL = 'https://www.lynda.com/login/login.aspx'
+ _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
+ _NETRC_MACHINE = 'lynda'
+
+ def _real_initialize(self):
+ self._login()
+
+ def _login(self):
+ username, password = self._get_login_info()
+ if username is None:
+ return
+
+ login_form = {
+ 'username': username.encode('utf-8'),
+ 'password': password.encode('utf-8'),
+ 'remember': 'false',
+ 'stayPut': 'false'
+ }
+ request = sanitized_Request(
+ self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
+ login_page = self._download_webpage(
+ request, None, 'Logging in as %s' % username)
+
+ # Not (yet) logged in
+ m = re.search(r'loginResultJson\s*=\s*\'(?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 = sanitized_Request(
+ self._LOGIN_URL, compat_urllib_parse.urlencode(confirm_form).encode('utf-8'))
+ login_page = self._download_webpage(
+ request, None,
+ 'Confirming log in and log out from another device')
+
+ if all(not re.search(p, login_page) for p in ('isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):
+ if 'login error' in login_page:
+ mobj = re.search(
+ r'(?s)<h1[^>]+class="topmost">(?P<title>[^<]+)</h1>\s*<div>(?P<description>.+?)</div>',
+ login_page)
+ if mobj:
+ raise ExtractorError(
+ 'lynda returned error: %s - %s'
+ % (mobj.group('title'), clean_html(mobj.group('description'))),
+ expected=True)
+ raise ExtractorError('Unable to log in')
+
+ def _logout(self):
+ username, _ = self._get_login_info()
+ if username is None:
+ return
+
+ self._download_webpage(
+ 'http://www.lynda.com/ajax/logout.aspx', None,
+ 'Logging out', 'Unable to log out', fatal=False)
+
+
+class LyndaIE(LyndaBaseIE):
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'
+ _VALID_URL = r'https?://www\.lynda\.com/(?:[^/]+/[^/]+/\d+|player/embed)/(?P<id>\d+)'
_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 = {
+ _TESTS = [{
'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
'md5': 'ecfc6862da89489161fb9cd5f5a6fac1',
'info_dict': {
'title': 'Using the exercise files',
'duration': 68
}
- }
-
- def _real_initialize(self):
- self._login()
+ }, {
+ 'url': 'https://www.lynda.com/player/embed/133770?tr=foo=1;bar=g;fizz=rt&fs=0',
+ 'only_matching': True,
+ }]
def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- video_id = mobj.group(1)
+ video_id = self._match_id(url)
- 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)
+ video = self._download_json(
+ 'http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
+ video_id, 'Downloading video JSON')
- if 'Status' in video_json:
- raise ExtractorError('lynda returned error: %s' % video_json['Message'], expected=True)
-
- if video_json['HasAccess'] is False:
+ if 'Status' in video:
raise ExtractorError(
- 'Video %s is only available for members. ' % video_id + self.ACCOUNT_CREDENTIALS_HINT, expected=True)
+ '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)
- video_id = compat_str(video_json['ID'])
- duration = video_json['DurationInSeconds']
- title = video_json['Title']
+ video_id = compat_str(video.get('ID') or video_id)
+ duration = int_or_none(video.get('DurationInSeconds'))
+ title = video['Title']
formats = []
- fmts = video_json.get('Formats')
+ fmts = video.get('Formats')
if fmts:
- formats.extend([
- {
- 'url': fmt['Url'],
- 'ext': fmt['Extension'],
- 'width': fmt['Width'],
- 'height': fmt['Height'],
- 'filesize': fmt['FileSize'],
- 'format_id': str(fmt['Resolution'])
- } for fmt in fmts])
-
- prioritized_streams = video_json.get('PrioritizedStreams')
+ formats.extend([{
+ 'url': f['Url'],
+ 'ext': f.get('Extension'),
+ 'width': int_or_none(f.get('Width')),
+ 'height': int_or_none(f.get('Height')),
+ 'filesize': int_or_none(f.get('FileSize')),
+ 'format_id': compat_str(f.get('Resolution')) if f.get('Resolution') else None,
+ } for f in fmts if f.get('Url')])
+
+ prioritized_streams = video.get('PrioritizedStreams')
if prioritized_streams:
- formats.extend([
- {
+ for prioritized_stream_id, prioritized_stream in prioritized_streams.items():
+ 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()
- ])
+ 'format_id': '%s-%s' % (prioritized_stream_id, format_id),
+ } for format_id, video_url in prioritized_stream.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))
+ subtitles = self.extract_subtitles(video_id)
return {
'id': video_id,
'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:
+ def _fix_subtitles(self, subs):
+ srt = ''
+ seq_counter = 0
+ 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
- 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):
+ 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'].strip()
+ if text:
+ seq_counter += 1
+ srt += '%s\r\n%s --> %s\r\n%s\r\n\r\n' % (seq_counter, appear_time, disappear_time, text)
+ if srt:
+ return srt
+
+ def _get_subtitles(self, video_id):
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 {}
+ subs = self._download_json(url, None, False)
+ if subs:
+ return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]}
+ else:
+ return {}
-class LyndaCourseIE(InfoExtractor):
+class LyndaCourseIE(LyndaBaseIE):
IE_NAME = 'lynda:course'
IE_DESC = 'lynda.com online courses'
course_path = mobj.group('coursepath')
course_id = mobj.group('courseid')
- page = self._download_webpage('http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
- course_id, 'Downloading course JSON')
- course_json = json.loads(page)
+ course = self._download_json(
+ 'http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
+ course_id, 'Downloading course JSON')
- if 'Status' in course_json and course_json['Status'] == 'NotFound':
- raise ExtractorError('Course %s does not exist' % course_id, expected=True)
+ self._logout()
+
+ if course.get('Status') == 'NotFound':
+ raise ExtractorError(
+ 'Course %s does not exist' % course_id, expected=True)
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 username is None and video['HasAccess'] is False:
+ for chapter in course['Chapters']:
+ for video in chapter.get('Videos', []):
+ if video.get('HasAccess') is False:
unaccessible_videos += 1
continue
- videos.append(video['ID'])
+ if video.get('ID'):
+ 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 + LyndaIE.ACCOUNT_CREDENTIALS_HINT)
+ self._downloader.report_warning(
+ '%s videos are only available for members (or paid members) and will not be downloaded. '
+ % unaccessible_videos + self._ACCOUNT_CREDENTIALS_HINT)
entries = [
- self.url_result('http://www.lynda.com/%s/%s-4.html' %
- (course_path, video_id),
- 'Lynda')
+ self.url_result(
+ 'http://www.lynda.com/%s/%s-4.html' % (course_path, video_id),
+ 'Lynda')
for video_id in videos]
- course_title = course_json['Title']
+ course_title = course.get('Title')
return self.playlist_result(entries, course_id, course_title)
Rapsys Git / youtubedl / blobdiff