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|
- from __future__ import unicode_literals
-
- import re
-
- from .common import InfoExtractor
- from ..compat import (
- compat_urllib_parse,
- compat_urllib_request,
- )
- from ..utils import (
- ExtractorError,
- )
-
-
- class UdemyIE(InfoExtractor):
- IE_NAME = 'udemy'
- _VALID_URL = r'https?://www\.udemy\.com/(?:[^#]+#/lecture/|lecture/view/?\?lectureId=)(?P<id>\d+)'
- _LOGIN_URL = 'https://www.udemy.com/join/login-popup/?displayType=ajax&showSkipButton=1'
- _ORIGIN_URL = 'https://www.udemy.com'
- _NETRC_MACHINE = 'udemy'
-
- _TESTS = [{
- 'url': 'https://www.udemy.com/java-tutorial/#/lecture/172757',
- 'md5': '98eda5b657e752cf945d8445e261b5c5',
- 'info_dict': {
- 'id': '160614',
- 'ext': 'mp4',
- 'title': 'Introduction and Installation',
- 'description': 'md5:c0d51f6f21ef4ec65f091055a5eef876',
- 'duration': 579.29,
- },
- 'skip': 'Requires udemy account credentials',
- }]
-
- def _handle_error(self, response):
- if not isinstance(response, dict):
- return
- error = response.get('error')
- if error:
- error_str = 'Udemy returned error #%s: %s' % (error.get('code'), error.get('message'))
- error_data = error.get('data')
- if error_data:
- error_str += ' - %s' % error_data.get('formErrors')
- raise ExtractorError(error_str, expected=True)
-
- def _download_json(self, url_or_request, video_id, note='Downloading JSON metadata'):
- headers = {
- 'X-Udemy-Snail-Case': 'true',
- 'X-Requested-With': 'XMLHttpRequest',
- }
- for cookie in self._downloader.cookiejar:
- if cookie.name == 'client_id':
- headers['X-Udemy-Client-Id'] = cookie.value
- elif cookie.name == 'access_token':
- headers['X-Udemy-Bearer-Token'] = cookie.value
-
- if isinstance(url_or_request, compat_urllib_request.Request):
- for header, value in headers.items():
- url_or_request.add_header(header, value)
- else:
- url_or_request = compat_urllib_request.Request(url_or_request, headers=headers)
-
- response = super(UdemyIE, self)._download_json(url_or_request, video_id, note)
- self._handle_error(response)
- return response
-
- def _real_initialize(self):
- self._login()
-
- def _login(self):
- (username, password) = self._get_login_info()
- if username is None:
- self.raise_login_required('Udemy account is required')
-
- login_popup = self._download_webpage(
- self._LOGIN_URL, None, 'Downloading login popup')
-
- def is_logged(webpage):
- return any(p in webpage for p in ['href="https://www.udemy.com/user/logout/', '>Logout<'])
-
- # already logged in
- if is_logged(login_popup):
- return
-
- login_form = self._form_hidden_inputs('login-form', login_popup)
-
- login_form.update({
- 'email': username.encode('utf-8'),
- 'password': password.encode('utf-8'),
- })
-
- request = compat_urllib_request.Request(
- self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
- request.add_header('Referer', self._ORIGIN_URL)
- request.add_header('Origin', self._ORIGIN_URL)
-
- response = self._download_webpage(
- request, None, 'Logging in as %s' % username)
-
- if not is_logged(response):
- error = self._html_search_regex(
- r'(?s)<div[^>]+class="form-errors[^"]*">(.+?)</div>',
- response, 'error message', default=None)
- if error:
- raise ExtractorError('Unable to login: %s' % error, expected=True)
- raise ExtractorError('Unable to log in')
-
- def _real_extract(self, url):
- lecture_id = self._match_id(url)
-
- lecture = self._download_json(
- 'https://www.udemy.com/api-1.1/lectures/%s' % lecture_id,
- lecture_id, 'Downloading lecture JSON')
-
- asset_type = lecture.get('assetType') or lecture.get('asset_type')
- if asset_type != 'Video':
- raise ExtractorError(
- 'Lecture %s is not a video' % lecture_id, expected=True)
-
- asset = lecture['asset']
-
- stream_url = asset.get('streamUrl') or asset.get('stream_url')
- mobj = re.search(r'(https?://www\.youtube\.com/watch\?v=.*)', stream_url)
- if mobj:
- return self.url_result(mobj.group(1), 'Youtube')
-
- video_id = asset['id']
- thumbnail = asset.get('thumbnailUrl') or asset.get('thumbnail_url')
- duration = asset['data']['duration']
-
- download_url = asset.get('downloadUrl') or asset.get('download_url')
-
- video = download_url.get('Video') or download_url.get('video')
- video_480p = download_url.get('Video480p') or download_url.get('video_480p')
-
- formats = [
- {
- 'url': video_480p[0],
- 'format_id': '360p',
- },
- {
- 'url': video[0],
- 'format_id': '720p',
- },
- ]
-
- title = lecture['title']
- description = lecture['description']
-
- return {
- 'id': video_id,
- 'title': title,
- 'description': description,
- 'thumbnail': thumbnail,
- 'duration': duration,
- 'formats': formats
- }
-
-
- class UdemyCourseIE(UdemyIE):
- IE_NAME = 'udemy:course'
- _VALID_URL = r'https?://www\.udemy\.com/(?P<coursepath>[\da-z-]+)'
- _SUCCESSFULLY_ENROLLED = '>You have enrolled in this course!<'
- _ALREADY_ENROLLED = '>You are already taking this course.<'
- _TESTS = []
-
- @classmethod
- def suitable(cls, url):
- return False if UdemyIE.suitable(url) else super(UdemyCourseIE, cls).suitable(url)
-
- def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- course_path = mobj.group('coursepath')
-
- response = self._download_json(
- 'https://www.udemy.com/api-1.1/courses/%s' % course_path,
- course_path, 'Downloading course JSON')
-
- course_id = int(response['id'])
- course_title = response['title']
-
- webpage = self._download_webpage(
- 'https://www.udemy.com/course/subscribe/?courseId=%s' % course_id,
- course_id, 'Enrolling in the course')
-
- if self._SUCCESSFULLY_ENROLLED in webpage:
- self.to_screen('%s: Successfully enrolled in' % course_id)
- elif self._ALREADY_ENROLLED in webpage:
- self.to_screen('%s: Already enrolled in' % course_id)
-
- response = self._download_json(
- 'https://www.udemy.com/api-1.1/courses/%s/curriculum' % course_id,
- course_id, 'Downloading course curriculum')
-
- entries = [
- self.url_result(
- 'https://www.udemy.com/%s/#/lecture/%s' % (course_path, asset['id']), 'Udemy')
- for asset in response if asset.get('assetType') or asset.get('asset_type') == 'Video'
- ]
-
- return self.playlist_result(entries, course_id, course_title)
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