From c7f8537dd9752e83661b69e46a4f113222c7a503 Mon Sep 17 00:00:00 2001 From: dst Date: Thu, 26 Dec 2013 15:48:24 +0700 Subject: [PATCH] [lynda] Add support for lynda.com (#1966) --- youtube_dl/extractor/__init__.py | 4 ++ youtube_dl/extractor/lynda.py | 96 ++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+) create mode 100644 youtube_dl/extractor/lynda.py diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py index a39a1e2f4..2caa078b5 100644 --- a/youtube_dl/extractor/__init__.py +++ b/youtube_dl/extractor/__init__.py @@ -97,6 +97,10 @@ from .kickstarter import KickStarterIE from .keek import KeekIE from .liveleak import LiveLeakIE from .livestream import LivestreamIE, LivestreamOriginalIE +from .lynda import ( + LyndaIE, + LyndaCourseIE +) from .mdr import MDRIE from .metacafe import MetacafeIE from .metacritic import MetacriticIE diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py new file mode 100644 index 000000000..dd59aa3e6 --- /dev/null +++ b/youtube_dl/extractor/lynda.py @@ -0,0 +1,96 @@ +import re +import json + +from .common import InfoExtractor +from ..utils import ExtractorError + + +class LyndaIE(InfoExtractor): + IE_NAME = u'lynda' + IE_DESC = u'lynda.com videos' + _VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html' + + _TEST = { + u'url': u'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html', + u'file': u'114408.mp4', + u'md5': u'ecfc6862da89489161fb9cd5f5a6fac1', + u"info_dict": { + u'title': u'Using the exercise files', + u'duration': 68 + } + } + + 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, u'Downloading video JSON') + video_json = json.loads(page) + + if u'Status' in video_json and video_json[u'Status'] == u'NotFound': + raise ExtractorError(u'Video %s does not exist' % video_id, expected=True) + + if video_json[u'HasAccess'] is False: + raise ExtractorError(u'Video %s is only available for members' % video_id, expected=True) + + video_id = video_json[u'ID'] + duration = video_json[u'DurationInSeconds'] + title = video_json[u'Title'] + + formats = [{'url': fmt[u'Url'], + 'ext': fmt[u'Extension'], + 'width': fmt[u'Width'], + 'height': fmt[u'Height'], + 'filesize': fmt[u'FileSize'], + 'format_id': fmt[u'Resolution'] + } for fmt in video_json[u'Formats']] + + self._sort_formats(formats) + + return { + 'id': video_id, + 'title': title, + 'duration': duration, + 'formats': formats + } + + +class LyndaCourseIE(InfoExtractor): + IE_NAME = u'lynda:course' + IE_DESC = u'lynda.com online courses' + + # Course link equals to welcome/introduction video link of same course + # We will recognize it as course link + _VALID_URL = r'https?://(?:www|m)\.lynda\.com/(?P[^/]+/[^/]+/(?P\d+))-\d\.html' + + def _real_extract(self, url): + mobj = re.match(self._VALID_URL, url) + 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, u'Downloading course JSON') + course_json = json.loads(page) + + if u'Status' in course_json and course_json[u'Status'] == u'NotFound': + raise ExtractorError(u'Course %s does not exist' % course_id, expected=True) + + unaccessible_videos = 0 + videos = [] + + for chapter in course_json[u'Chapters']: + for video in chapter[u'Videos']: + if video[u'HasAccess'] is not True: + unaccessible_videos += 1 + continue + videos.append(video[u'ID']) + + if unaccessible_videos > 0: + self._downloader.report_warning(u'%s videos are only available for members and will not be downloaded' % unaccessible_videos) + + entries = [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[u'Title'] + + return self.playlist_result(entries, course_id, course_title) \ No newline at end of file -- 2.22.2