mirror of
https://github.com/yt-dlp/yt-dlp.git
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add96eb9f8
Authored by: seproDev Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com> Reviewed-by: Simon Sawicki <contact@grub4k.xyz>
250 lines
8.3 KiB
Python
250 lines
8.3 KiB
Python
import re
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import urllib.parse
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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parse_duration,
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url_or_none,
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urlencode_postdata,
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)
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class FrontendMastersBaseIE(InfoExtractor):
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_API_BASE = 'https://api.frontendmasters.com/v1/kabuki'
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_LOGIN_URL = 'https://frontendmasters.com/login/'
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_NETRC_MACHINE = 'frontendmasters'
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_QUALITIES = {
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'low': {'width': 480, 'height': 360},
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'mid': {'width': 1280, 'height': 720},
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'high': {'width': 1920, 'height': 1080},
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}
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def _perform_login(self, username, password):
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login_page = self._download_webpage(
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self._LOGIN_URL, None, 'Downloading login page')
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login_form = self._hidden_inputs(login_page)
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login_form.update({
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'username': username,
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'password': password,
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})
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post_url = self._search_regex(
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r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
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'post_url', default=self._LOGIN_URL, group='url')
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if not post_url.startswith('http'):
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post_url = urllib.parse.urljoin(self._LOGIN_URL, post_url)
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response = self._download_webpage(
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post_url, None, 'Logging in', data=urlencode_postdata(login_form),
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headers={'Content-Type': 'application/x-www-form-urlencoded'})
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# Successful login
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if any(p in response for p in (
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'wp-login.php?action=logout', '>Logout')):
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return
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error = self._html_search_regex(
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r'class=(["\'])(?:(?!\1).)*\bMessageAlert\b(?:(?!\1).)*\1[^>]*>(?P<error>[^<]+)<',
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response, 'error message', default=None, group='error')
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if error:
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raise ExtractorError(f'Unable to login: {error}', expected=True)
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raise ExtractorError('Unable to log in')
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class FrontendMastersPageBaseIE(FrontendMastersBaseIE):
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def _download_course(self, course_name, url):
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return self._download_json(
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f'{self._API_BASE}/courses/{course_name}', course_name,
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'Downloading course JSON', headers={'Referer': url})
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@staticmethod
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def _extract_chapters(course):
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chapters = []
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lesson_elements = course.get('lessonElements')
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if isinstance(lesson_elements, list):
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chapters = [url_or_none(e) for e in lesson_elements if url_or_none(e)]
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return chapters
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@staticmethod
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def _extract_lesson(chapters, lesson_id, lesson):
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title = lesson.get('title') or lesson_id
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display_id = lesson.get('slug')
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description = lesson.get('description')
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thumbnail = lesson.get('thumbnail')
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chapter_number = None
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index = lesson.get('index')
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element_index = lesson.get('elementIndex')
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if (isinstance(index, int) and isinstance(element_index, int)
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and index < element_index):
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chapter_number = element_index - index
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chapter = (chapters[chapter_number - 1]
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if chapter_number - 1 < len(chapters) else None)
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duration = None
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timestamp = lesson.get('timestamp')
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if isinstance(timestamp, str):
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mobj = re.search(
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r'(?P<start>\d{1,2}:\d{1,2}:\d{1,2})\s*-(?P<end>\s*\d{1,2}:\d{1,2}:\d{1,2})',
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timestamp)
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if mobj:
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duration = parse_duration(mobj.group('end')) - parse_duration(
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mobj.group('start'))
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return {
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'_type': 'url_transparent',
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'url': f'frontendmasters:{lesson_id}',
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'ie_key': FrontendMastersIE.ie_key(),
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'id': lesson_id,
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'display_id': display_id,
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'title': title,
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'description': description,
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'thumbnail': thumbnail,
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'duration': duration,
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'chapter': chapter,
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'chapter_number': chapter_number,
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}
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class FrontendMastersIE(FrontendMastersBaseIE):
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_VALID_URL = r'(?:frontendmasters:|https?://api\.frontendmasters\.com/v\d+/kabuki/video/)(?P<id>[^/]+)'
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_TESTS = [{
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'url': 'https://api.frontendmasters.com/v1/kabuki/video/a2qogef6ba',
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'md5': '7f161159710d6b7016a4f4af6fcb05e2',
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'info_dict': {
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'id': 'a2qogef6ba',
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'ext': 'mp4',
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'title': 'a2qogef6ba',
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},
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'skip': 'Requires FrontendMasters account credentials',
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}, {
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'url': 'frontendmasters:a2qogef6ba',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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lesson_id = self._match_id(url)
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source_url = f'{self._API_BASE}/video/{lesson_id}/source'
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formats = []
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for ext in ('webm', 'mp4'):
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for quality in ('low', 'mid', 'high'):
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resolution = self._QUALITIES[quality].copy()
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format_id = f'{ext}-{quality}'
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format_url = self._download_json(
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source_url, lesson_id,
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f'Downloading {format_id} source JSON', query={
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'f': ext,
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'r': resolution['height'],
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}, headers={
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'Referer': url,
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}, fatal=False)['url']
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if not format_url:
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continue
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f = resolution.copy()
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f.update({
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'url': format_url,
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'ext': ext,
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'format_id': format_id,
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})
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formats.append(f)
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subtitles = {
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'en': [{
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'url': f'{self._API_BASE}/transcripts/{lesson_id}.vtt',
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}],
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}
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return {
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'id': lesson_id,
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'title': lesson_id,
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'formats': formats,
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'subtitles': subtitles,
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}
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class FrontendMastersLessonIE(FrontendMastersPageBaseIE):
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_VALID_URL = r'https?://(?:www\.)?frontendmasters\.com/courses/(?P<course_name>[^/]+)/(?P<lesson_name>[^/]+)'
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_TEST = {
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'url': 'https://frontendmasters.com/courses/web-development/tools',
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'info_dict': {
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'id': 'a2qogef6ba',
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'display_id': 'tools',
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'ext': 'mp4',
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'title': 'Tools',
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'description': 'md5:82c1ea6472e88ed5acd1829fe992e4f7',
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'thumbnail': r're:^https?://.*\.jpg$',
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'chapter': 'Introduction',
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'chapter_number': 1,
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},
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'params': {
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'skip_download': True,
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},
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'skip': 'Requires FrontendMasters account credentials',
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}
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def _real_extract(self, url):
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mobj = self._match_valid_url(url)
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course_name, lesson_name = mobj.group('course_name', 'lesson_name')
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course = self._download_course(course_name, url)
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lesson_id, lesson = next(
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(video_id, data)
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for video_id, data in course['lessonData'].items()
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if data.get('slug') == lesson_name)
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chapters = self._extract_chapters(course)
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return self._extract_lesson(chapters, lesson_id, lesson)
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class FrontendMastersCourseIE(FrontendMastersPageBaseIE):
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_VALID_URL = r'https?://(?:www\.)?frontendmasters\.com/courses/(?P<id>[^/]+)'
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_TEST = {
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'url': 'https://frontendmasters.com/courses/web-development/',
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'info_dict': {
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'id': 'web-development',
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'title': 'Introduction to Web Development',
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'description': 'md5:9317e6e842098bf725d62360e52d49a6',
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},
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'playlist_count': 81,
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'skip': 'Requires FrontendMasters account credentials',
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}
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@classmethod
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def suitable(cls, url):
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return False if FrontendMastersLessonIE.suitable(url) else super(
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FrontendMastersBaseIE, cls).suitable(url)
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def _real_extract(self, url):
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course_name = self._match_id(url)
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course = self._download_course(course_name, url)
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chapters = self._extract_chapters(course)
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lessons = sorted(
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course['lessonData'].values(), key=lambda data: data['index'])
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entries = []
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for lesson in lessons:
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lesson_name = lesson.get('slug')
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lesson_id = lesson.get('hash') or lesson.get('statsId')
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if not lesson_id or not lesson_name:
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continue
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entries.append(self._extract_lesson(chapters, lesson_id, lesson))
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title = course.get('title')
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description = course.get('description')
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return self.playlist_result(entries, course_name, title, description)
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