X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Flynda.py;h=d4e1ae99d4d91c887cfc2d55c29d8211fc48a80f;hb=5c2266df4b9aeb7881ed8c026a038e2a25e43734;hp=592ed747a47492e13bb939659bc516502b3b4aa0;hpb=aff24732b96b5ec89cb41a05fd132e12c5990caf;p=youtube-dl diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py index 592ed747a..d4e1ae99d 100644 --- a/youtube_dl/extractor/lynda.py +++ b/youtube_dl/extractor/lynda.py @@ -4,61 +4,200 @@ import re import json from .common import InfoExtractor -from ..utils import ExtractorError - - -class LyndaIE(InfoExtractor): +from ..compat import ( + compat_str, + compat_urllib_parse, +) +from ..utils import ( + ExtractorError, + clean_html, + int_or_none, + sanitized_Request, +) + + +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[^\']+)\';', 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)]+class="topmost">(?P[^<]+)</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' + _VALID_URL = r'https?://www\.lynda\.com/(?:[^/]+/[^/]+/\d+|player/embed)/(?P<id>\d+)' + _NETRC_MACHINE = 'lynda' + + _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]' - _TEST = { + _TESTS = [{ '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 } - } + }, { + '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) - - 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 video_json['HasAccess'] is False: - raise ExtractorError('Video %s is only available for members' % video_id, expected=True) - - video_id = video_json['ID'] - duration = video_json['DurationInSeconds'] - title = video_json['Title'] - - formats = [{'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']] - + video_id = self._match_id(url) + + 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: + raise ExtractorError( + '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.get('ID') or video_id) + duration = int_or_none(video.get('DurationInSeconds')) + title = video['Title'] + + formats = [] + + fmts = video.get('Formats') + if fmts: + 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: + for prioritized_stream_id, prioritized_stream in prioritized_streams.items(): + formats.extend([{ + 'url': video_url, + 'width': int_or_none(format_id), + '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) + subtitles = self.extract_subtitles(video_id) + return { 'id': video_id, 'title': title, 'duration': duration, + 'subtitles': subtitles, 'formats': formats } - -class LyndaCourseIE(InfoExtractor): + 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 + 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 + subs = self._download_json(url, None, False) + if subs: + return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]} + else: + return {} + + +class LyndaCourseIE(LyndaBaseIE): IE_NAME = 'lynda:course' IE_DESC = 'lynda.com online courses' @@ -71,32 +210,41 @@ class LyndaCourseIE(InfoExtractor): 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') + + self._logout() - if 'Status' in course_json and course_json['Status'] == 'NotFound': - raise ExtractorError('Course %s does not exist' % course_id, expected=True) + if course.get('Status') == 'NotFound': + raise ExtractorError( + 'Course %s does not exist' % course_id, expected=True) unaccessible_videos = 0 videos = [] - for chapter in course_json['Chapters']: - for video in chapter['Videos']: - if video['HasAccess'] is not True: + # 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['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) + 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)