[lynda] Add support for lynda.com (#1966)
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2 changed files with 100 additions and 0 deletions
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import re |
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import json |
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from .common import InfoExtractor |
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from ..utils import ExtractorError |
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class LyndaIE(InfoExtractor): |
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IE_NAME = u'lynda' |
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IE_DESC = u'lynda.com videos' |
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_VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html' |
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_TEST = { |
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u'url': u'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html', |
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u'file': u'114408.mp4', |
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u'md5': u'ecfc6862da89489161fb9cd5f5a6fac1', |
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u"info_dict": { |
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u'title': u'Using the exercise files', |
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u'duration': 68 |
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} |
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} |
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def _real_extract(self, url): |
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mobj = re.match(self._VALID_URL, url) |
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video_id = mobj.group(1) |
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page = self._download_webpage('http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id, |
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video_id, u'Downloading video JSON') |
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video_json = json.loads(page) |
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if u'Status' in video_json and video_json[u'Status'] == u'NotFound': |
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raise ExtractorError(u'Video %s does not exist' % video_id, expected=True) |
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if video_json[u'HasAccess'] is False: |
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raise ExtractorError(u'Video %s is only available for members' % video_id, expected=True) |
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video_id = video_json[u'ID'] |
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duration = video_json[u'DurationInSeconds'] |
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title = video_json[u'Title'] |
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formats = [{'url': fmt[u'Url'], |
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'ext': fmt[u'Extension'], |
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'width': fmt[u'Width'], |
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'height': fmt[u'Height'], |
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'filesize': fmt[u'FileSize'], |
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'format_id': fmt[u'Resolution'] |
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} for fmt in video_json[u'Formats']] |
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self._sort_formats(formats) |
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return { |
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'id': video_id, |
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'title': title, |
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'duration': duration, |
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'formats': formats |
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} |
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class LyndaCourseIE(InfoExtractor): |
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IE_NAME = u'lynda:course' |
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IE_DESC = u'lynda.com online courses' |
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# Course link equals to welcome/introduction video link of same course |
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# We will recognize it as course link |
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_VALID_URL = r'https?://(?:www|m)\.lynda\.com/(?P<coursepath>[^/]+/[^/]+/(?P<courseid>\d+))-\d\.html' |
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def _real_extract(self, url): |
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mobj = re.match(self._VALID_URL, url) |
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course_path = mobj.group('coursepath') |
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course_id = mobj.group('courseid') |
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page = self._download_webpage('http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id, |
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course_id, u'Downloading course JSON') |
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course_json = json.loads(page) |
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if u'Status' in course_json and course_json[u'Status'] == u'NotFound': |
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raise ExtractorError(u'Course %s does not exist' % course_id, expected=True) |
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unaccessible_videos = 0 |
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videos = [] |
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for chapter in course_json[u'Chapters']: |
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for video in chapter[u'Videos']: |
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if video[u'HasAccess'] is not True: |
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unaccessible_videos += 1 |
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continue |
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videos.append(video[u'ID']) |
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if unaccessible_videos > 0: |
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self._downloader.report_warning(u'%s videos are only available for members and will not be downloaded' % unaccessible_videos) |
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entries = [self.url_result('http://www.lynda.com/%s/%s-4.html' % (course_path, video_id), 'Lynda') for video_id in videos] |
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course_title = course_json[u'Title'] |
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return self.playlist_result(entries, course_id, course_title) |
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