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[lynda] Add support for member accounts and paid videos (Closes #2125)

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dst 2014-01-12 05:26:35 +07:00
parent db22af36ec
commit 7ee40b5d1c
1 changed files with 71 additions and 15 deletions
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70
youtube_dl/extractor/lynda.py
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@ -5,13 +5,24 @@ import json
from .subtitles import SubtitlesInfoExtractor
from .common import InfoExtractor
from ..utils import ExtractorError
from ..utils import (
compat_urllib_parse,
compat_urllib_request,
ExtractorError
)
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'<a href="https://www.lynda.com/home/userAccount/ChangeContactInfo.aspx" data-qa="eyebrow_account_menu">My account'
_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',
@ -23,6 +34,9 @@ class LyndaIE(SubtitlesInfoExtractor):
}
}
def _real_initialize(self):
self._login()
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group(1)
@ -31,11 +45,11 @@ class LyndaIE(SubtitlesInfoExtractor):
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']
duration = video_json['DurationInSeconds']
@ -65,7 +79,47 @@ class LyndaIE(SubtitlesInfoExtractor):
'formats': formats
}
_TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
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, note='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, note='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:
@ -123,16 +177,18 @@ class LyndaCourseIE(InfoExtractor):
unaccessible_videos = 0
videos = []
(username, _) = self._get_login_info()
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' %