X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Flynda.py;h=109055e720a6908b748c08ddd70fd69026f192ab;hb=cd5b4b0bc2876e16656d33156754ce3c05aa1619;hp=eae92b955ed941206b85cb6f516137f4425fd25c;hpb=ac260dd81e9e1e3409650c70cb2c4a4a12857944;p=youtube-dl diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py index eae92b955..109055e72 100644 --- a/youtube_dl/extractor/lynda.py +++ b/youtube_dl/extractor/lynda.py @@ -3,60 +3,92 @@ from __future__ import unicode_literals import re import json -from .subtitles import SubtitlesInfoExtractor from .common import InfoExtractor -from ..utils import ExtractorError - - -class LyndaIE(SubtitlesInfoExtractor): +from ..compat import ( + compat_str, + compat_urllib_parse, + compat_urllib_request, +) +from ..utils import ( + ExtractorError, + int_or_none, +) + + +class LyndaIE(InfoExtractor): 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'\[(?P\d+:\d+:\d+[\.,]\d+)\]' + + 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', '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': str(fmt['Resolution']) - } for fmt in video_json['Formats']] - + } 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)) - + + subtitles = self.extract_subtitles(video_id, page) + return { 'id': video_id, 'title': title, @@ -64,38 +96,74 @@ class LyndaIE(SubtitlesInfoExtractor): 'subtitles': subtitles, 'formats': formats } - - _TIMECODE_REGEX = r'\[(?P\d+:\d+:\d+[\.,]\d+)\]' - - def _fix_subtitles(self, subtitles): - fixed_subtitles = {} - for k, v in subtitles.items(): - subs = json.loads(v) - if len(subs) == 0: + + 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[^\']+)\';', 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, subs): + 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 - 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'] + srt += '%s\r\n%s --> %s\r\n%s' % (str(pos), appear_time, disappear_time, text) + if srt: + return srt + + def _get_subtitles(self, video_id, webpage): url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id - sub = self._download_webpage(url, None, note=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): @@ -120,16 +188,21 @@ class LyndaCourseIE(InfoExtractor): 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' %