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102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
from __future__ import unicode_literals
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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 = 'lynda'
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IE_DESC = '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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'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
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'file': '114408.mp4',
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'md5': 'ecfc6862da89489161fb9cd5f5a6fac1',
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u"info_dict": {
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'title': 'Using the exercise files',
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'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, 'Downloading video JSON')
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video_json = json.loads(page)
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if 'Status' in video_json and video_json['Status'] == 'NotFound':
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raise ExtractorError('Video %s does not exist' % video_id, expected=True)
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if video_json['HasAccess'] is False:
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raise ExtractorError('Video %s is only available for members' % video_id, expected=True)
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video_id = video_json['ID']
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duration = video_json['DurationInSeconds']
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title = video_json['Title']
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formats = [{'url': fmt['Url'],
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'ext': fmt['Extension'],
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'width': fmt['Width'],
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'height': fmt['Height'],
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'filesize': fmt['FileSize'],
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'format_id': fmt['Resolution']
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} for fmt in video_json['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 = 'lynda:course'
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IE_DESC = '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, 'Downloading course JSON')
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course_json = json.loads(page)
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if 'Status' in course_json and course_json['Status'] == 'NotFound':
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raise ExtractorError('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['Chapters']:
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for video in chapter['Videos']:
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if video['HasAccess'] is not True:
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unaccessible_videos += 1
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continue
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videos.append(video['ID'])
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if unaccessible_videos > 0:
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self._downloader.report_warning('%s videos are only available for members and will not be downloaded' % unaccessible_videos)
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entries = [
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self.url_result('http://www.lynda.com/%s/%s-4.html' %
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(course_path, video_id),
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'Lynda')
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for video_id in videos]
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course_title = course_json['Title']
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return self.playlist_result(entries, course_id, course_title)
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