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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<coursepath>[^/]+/[^/]+/(?P<courseid>\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)
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