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-rw-r--r--youtube_dl/extractor/udemy.py481
1 files changed, 0 insertions, 481 deletions
diff --git a/youtube_dl/extractor/udemy.py b/youtube_dl/extractor/udemy.py
deleted file mode 100644
index 2a4faecef..000000000
--- a/youtube_dl/extractor/udemy.py
+++ /dev/null
@@ -1,481 +0,0 @@
-from __future__ import unicode_literals
-
-import re
-
-from .common import InfoExtractor
-from ..compat import (
- compat_HTTPError,
- compat_kwargs,
- compat_str,
- compat_urllib_request,
- compat_urlparse,
-)
-from ..utils import (
- determine_ext,
- extract_attributes,
- ExtractorError,
- float_or_none,
- int_or_none,
- js_to_json,
- sanitized_Request,
- try_get,
- unescapeHTML,
- url_or_none,
- urlencode_postdata,
-)
-
-
-class UdemyIE(InfoExtractor):
- IE_NAME = 'udemy'
- _VALID_URL = r'''(?x)
- https?://
- (?:[^/]+\.)?udemy\.com/
- (?:
- [^#]+\#/lecture/|
- lecture/view/?\?lectureId=|
- [^/]+/learn/v4/t/lecture/
- )
- (?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',
- }, {
- # new URL schema
- 'url': 'https://www.udemy.com/electric-bass-right-from-the-start/learn/v4/t/lecture/4580906',
- 'only_matching': True,
- }, {
- # no url in outputs format entry
- 'url': 'https://www.udemy.com/learn-web-development-complete-step-by-step-guide-to-success/learn/v4/t/lecture/4125812',
- 'only_matching': True,
- }, {
- # only outputs rendition
- 'url': 'https://www.udemy.com/how-you-can-help-your-local-community-5-amazing-examples/learn/v4/t/lecture/3225750?start=0',
- 'only_matching': True,
- }, {
- 'url': 'https://wipro.udemy.com/java-tutorial/#/lecture/172757',
- 'only_matching': True,
- }]
-
- def _extract_course_info(self, webpage, video_id):
- course = self._parse_json(
- unescapeHTML(self._search_regex(
- r'ng-init=["\'].*\bcourse=({.+?})[;"\']',
- webpage, 'course', default='{}')),
- video_id, fatal=False) or {}
- course_id = course.get('id') or self._search_regex(
- [
- r'data-course-id=["\'](\d+)',
- r'&quot;courseId&quot;\s*:\s*(\d+)'
- ], webpage, 'course id')
- return course_id, course.get('title')
-
- def _enroll_course(self, base_url, webpage, course_id):
- def combine_url(base_url, url):
- return compat_urlparse.urljoin(base_url, url) if not url.startswith('http') else url
-
- checkout_url = unescapeHTML(self._search_regex(
- r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/(?:payment|cart)/checkout/.+?)\1',
- webpage, 'checkout url', group='url', default=None))
- if checkout_url:
- raise ExtractorError(
- 'Course %s is not free. You have to pay for it before you can download. '
- 'Use this URL to confirm purchase: %s'
- % (course_id, combine_url(base_url, checkout_url)),
- expected=True)
-
- enroll_url = unescapeHTML(self._search_regex(
- r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/course/subscribe/.+?)\1',
- webpage, 'enroll url', group='url', default=None))
- if enroll_url:
- webpage = self._download_webpage(
- combine_url(base_url, enroll_url),
- course_id, 'Enrolling in the course',
- headers={'Referer': base_url})
- if '>You have enrolled in' in webpage:
- self.to_screen('%s: Successfully enrolled in the course' % course_id)
-
- def _download_lecture(self, course_id, lecture_id):
- return self._download_json(
- 'https://www.udemy.com/api-2.0/users/me/subscribed-courses/%s/lectures/%s?'
- % (course_id, lecture_id),
- lecture_id, 'Downloading lecture JSON', query={
- 'fields[lecture]': 'title,description,view_html,asset',
- 'fields[asset]': 'asset_type,stream_url,thumbnail_url,download_urls,stream_urls,captions,data',
- })
-
- 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_webpage_handle(self, *args, **kwargs):
- headers = kwargs.get('headers', {}).copy()
- headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36'
- kwargs['headers'] = headers
- ret = super(UdemyIE, self)._download_webpage_handle(
- *args, **compat_kwargs(kwargs))
- if not ret:
- return ret
- webpage, _ = ret
- if any(p in webpage for p in (
- '>Please verify you are a human',
- 'Access to this page has been denied because we believe you are using automation tools to browse the website',
- '"_pxCaptcha"')):
- raise ExtractorError(
- 'Udemy asks you to solve a CAPTCHA. Login with browser, '
- 'solve CAPTCHA, then export cookies and pass cookie file to '
- 'youtube-dl with --cookies.', expected=True)
- return ret
-
- def _download_json(self, url_or_request, *args, **kwargs):
- 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
- headers['X-Udemy-Authorization'] = 'Bearer %s' % 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 = sanitized_Request(url_or_request, headers=headers)
-
- response = super(UdemyIE, self)._download_json(url_or_request, *args, **kwargs)
- 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:
- return
-
- login_popup = self._download_webpage(
- self._LOGIN_URL, None, 'Downloading login popup')
-
- def is_logged(webpage):
- return any(re.search(p, webpage) for p in (
- r'href=["\'](?:https://www\.udemy\.com)?/user/logout/',
- r'>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,
- 'password': password,
- })
-
- response = self._download_webpage(
- self._LOGIN_URL, None, 'Logging in',
- data=urlencode_postdata(login_form),
- headers={
- 'Referer': self._ORIGIN_URL,
- 'Origin': self._ORIGIN_URL,
- })
-
- 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)
-
- webpage = self._download_webpage(url, lecture_id)
-
- course_id, _ = self._extract_course_info(webpage, lecture_id)
-
- try:
- lecture = self._download_lecture(course_id, lecture_id)
- except ExtractorError as e:
- # Error could possibly mean we are not enrolled in the course
- if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
- self._enroll_course(url, webpage, course_id)
- lecture = self._download_lecture(course_id, lecture_id)
- else:
- raise
-
- title = lecture['title']
- description = lecture.get('description')
-
- asset = lecture['asset']
-
- asset_type = asset.get('asset_type') or asset.get('assetType')
- if asset_type != 'Video':
- raise ExtractorError(
- 'Lecture %s is not a video' % lecture_id, expected=True)
-
- stream_url = asset.get('stream_url') or asset.get('streamUrl')
- if stream_url:
- youtube_url = self._search_regex(
- r'(https?://www\.youtube\.com/watch\?v=.*)', stream_url, 'youtube URL', default=None)
- if youtube_url:
- return self.url_result(youtube_url, 'Youtube')
-
- video_id = compat_str(asset['id'])
- thumbnail = asset.get('thumbnail_url') or asset.get('thumbnailUrl')
- duration = float_or_none(asset.get('data', {}).get('duration'))
-
- subtitles = {}
- automatic_captions = {}
-
- formats = []
-
- def extract_output_format(src, f_id):
- return {
- 'url': src.get('url'),
- 'format_id': '%sp' % (src.get('height') or f_id),
- 'width': int_or_none(src.get('width')),
- 'height': int_or_none(src.get('height')),
- 'vbr': int_or_none(src.get('video_bitrate_in_kbps')),
- 'vcodec': src.get('video_codec'),
- 'fps': int_or_none(src.get('frame_rate')),
- 'abr': int_or_none(src.get('audio_bitrate_in_kbps')),
- 'acodec': src.get('audio_codec'),
- 'asr': int_or_none(src.get('audio_sample_rate')),
- 'tbr': int_or_none(src.get('total_bitrate_in_kbps')),
- 'filesize': int_or_none(src.get('file_size_in_bytes')),
- }
-
- outputs = asset.get('data', {}).get('outputs')
- if not isinstance(outputs, dict):
- outputs = {}
-
- def add_output_format_meta(f, key):
- output = outputs.get(key)
- if isinstance(output, dict):
- output_format = extract_output_format(output, key)
- output_format.update(f)
- return output_format
- return f
-
- def extract_formats(source_list):
- if not isinstance(source_list, list):
- return
- for source in source_list:
- video_url = url_or_none(source.get('file') or source.get('src'))
- if not video_url:
- continue
- if source.get('type') == 'application/x-mpegURL' or determine_ext(video_url) == 'm3u8':
- formats.extend(self._extract_m3u8_formats(
- video_url, video_id, 'mp4', entry_protocol='m3u8_native',
- m3u8_id='hls', fatal=False))
- continue
- format_id = source.get('label')
- f = {
- 'url': video_url,
- 'format_id': '%sp' % format_id,
- 'height': int_or_none(format_id),
- }
- if format_id:
- # Some videos contain additional metadata (e.g.
- # https://www.udemy.com/ios9-swift/learn/#/lecture/3383208)
- f = add_output_format_meta(f, format_id)
- formats.append(f)
-
- def extract_subtitles(track_list):
- if not isinstance(track_list, list):
- return
- for track in track_list:
- if not isinstance(track, dict):
- continue
- if track.get('kind') != 'captions':
- continue
- src = url_or_none(track.get('src'))
- if not src:
- continue
- lang = track.get('language') or track.get(
- 'srclang') or track.get('label')
- sub_dict = automatic_captions if track.get(
- 'autogenerated') is True else subtitles
- sub_dict.setdefault(lang, []).append({
- 'url': src,
- })
-
- for url_kind in ('download', 'stream'):
- urls = asset.get('%s_urls' % url_kind)
- if isinstance(urls, dict):
- extract_formats(urls.get('Video'))
-
- captions = asset.get('captions')
- if isinstance(captions, list):
- for cc in captions:
- if not isinstance(cc, dict):
- continue
- cc_url = url_or_none(cc.get('url'))
- if not cc_url:
- continue
- lang = try_get(cc, lambda x: x['locale']['locale'], compat_str)
- sub_dict = (automatic_captions if cc.get('source') == 'auto'
- else subtitles)
- sub_dict.setdefault(lang or 'en', []).append({
- 'url': cc_url,
- })
-
- view_html = lecture.get('view_html')
- if view_html:
- view_html_urls = set()
- for source in re.findall(r'<source[^>]+>', view_html):
- attributes = extract_attributes(source)
- src = attributes.get('src')
- if not src:
- continue
- res = attributes.get('data-res')
- height = int_or_none(res)
- if src in view_html_urls:
- continue
- view_html_urls.add(src)
- if attributes.get('type') == 'application/x-mpegURL' or determine_ext(src) == 'm3u8':
- m3u8_formats = self._extract_m3u8_formats(
- src, video_id, 'mp4', entry_protocol='m3u8_native',
- m3u8_id='hls', fatal=False)
- for f in m3u8_formats:
- m = re.search(r'/hls_(?P<height>\d{3,4})_(?P<tbr>\d{2,})/', f['url'])
- if m:
- if not f.get('height'):
- f['height'] = int(m.group('height'))
- if not f.get('tbr'):
- f['tbr'] = int(m.group('tbr'))
- formats.extend(m3u8_formats)
- else:
- formats.append(add_output_format_meta({
- 'url': src,
- 'format_id': '%dp' % height if height else None,
- 'height': height,
- }, res))
-
- # react rendition since 2017.04.15 (see
- # https://github.com/ytdl-org/youtube-dl/issues/12744)
- data = self._parse_json(
- self._search_regex(
- r'videojs-setup-data=(["\'])(?P<data>{.+?})\1', view_html,
- 'setup data', default='{}', group='data'), video_id,
- transform_source=unescapeHTML, fatal=False)
- if data and isinstance(data, dict):
- extract_formats(data.get('sources'))
- if not duration:
- duration = int_or_none(data.get('duration'))
- extract_subtitles(data.get('tracks'))
-
- if not subtitles and not automatic_captions:
- text_tracks = self._parse_json(
- self._search_regex(
- r'text-tracks=(["\'])(?P<data>\[.+?\])\1', view_html,
- 'text tracks', default='{}', group='data'), video_id,
- transform_source=lambda s: js_to_json(unescapeHTML(s)),
- fatal=False)
- extract_subtitles(text_tracks)
-
- if not formats and outputs:
- for format_id, output in outputs.items():
- f = extract_output_format(output, format_id)
- if f.get('url'):
- formats.append(f)
-
- self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id'))
-
- return {
- 'id': video_id,
- 'title': title,
- 'description': description,
- 'thumbnail': thumbnail,
- 'duration': duration,
- 'formats': formats,
- 'subtitles': subtitles,
- 'automatic_captions': automatic_captions,
- }
-
-
-class UdemyCourseIE(UdemyIE):
- IE_NAME = 'udemy:course'
- _VALID_URL = r'https?://(?:[^/]+\.)?udemy\.com/(?P<id>[^/?#&]+)'
- _TESTS = [{
- 'url': 'https://www.udemy.com/java-tutorial/',
- 'only_matching': True,
- }, {
- 'url': 'https://wipro.udemy.com/java-tutorial/',
- 'only_matching': True,
- }]
-
- @classmethod
- def suitable(cls, url):
- return False if UdemyIE.suitable(url) else super(UdemyCourseIE, cls).suitable(url)
-
- def _real_extract(self, url):
- course_path = self._match_id(url)
-
- webpage = self._download_webpage(url, course_path)
-
- course_id, title = self._extract_course_info(webpage, course_path)
-
- self._enroll_course(url, webpage, course_id)
-
- response = self._download_json(
- 'https://www.udemy.com/api-2.0/courses/%s/cached-subscriber-curriculum-items' % course_id,
- course_id, 'Downloading course curriculum', query={
- 'fields[chapter]': 'title,object_index',
- 'fields[lecture]': 'title,asset',
- 'page_size': '1000',
- })
-
- entries = []
- chapter, chapter_number = [None] * 2
- for entry in response['results']:
- clazz = entry.get('_class')
- if clazz == 'lecture':
- asset = entry.get('asset')
- if isinstance(asset, dict):
- asset_type = asset.get('asset_type') or asset.get('assetType')
- if asset_type != 'Video':
- continue
- lecture_id = entry.get('id')
- if lecture_id:
- entry = {
- '_type': 'url_transparent',
- 'url': 'https://www.udemy.com/%s/learn/v4/t/lecture/%s' % (course_path, entry['id']),
- 'title': entry.get('title'),
- 'ie_key': UdemyIE.ie_key(),
- }
- if chapter_number:
- entry['chapter_number'] = chapter_number
- if chapter:
- entry['chapter'] = chapter
- entries.append(entry)
- elif clazz == 'chapter':
- chapter_number = entry.get('object_index')
- chapter = entry.get('title')
-
- return self.playlist_result(entries, course_id, title)
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-09 20:50:56 +0000