+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..compat import (
+ compat_str,
+ compat_urlparse,
+)
+from ..utils import (
+ ExtractorError,
+ parse_duration,
+ url_or_none,
+ urlencode_postdata,
+)
+
+
+class FrontendMastersBaseIE(InfoExtractor):
+ _API_BASE = 'https://api.frontendmasters.com/v1/kabuki'
+ _LOGIN_URL = 'https://frontendmasters.com/login/'
+
+ _NETRC_MACHINE = 'frontendmasters'
+
+ _QUALITIES = {
+ 'low': {'width': 480, 'height': 360},
+ 'mid': {'width': 1280, 'height': 720},
+ 'high': {'width': 1920, 'height': 1080}
+ }
+
+ def _real_initialize(self):
+ self._login()
+
+ def _login(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ return
+
+ login_page = self._download_webpage(
+ self._LOGIN_URL, None, 'Downloading login page')
+
+ login_form = self._hidden_inputs(login_page)
+
+ login_form.update({
+ 'username': username,
+ 'password': password
+ })
+
+ post_url = self._search_regex(
+ r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
+ 'post_url', default=self._LOGIN_URL, group='url')
+
+ if not post_url.startswith('http'):
+ post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
+
+ response = self._download_webpage(
+ post_url, None, 'Logging in', data=urlencode_postdata(login_form),
+ headers={'Content-Type': 'application/x-www-form-urlencoded'})
+
+ # Successful login
+ if any(p in response for p in (
+ 'wp-login.php?action=logout', '>Logout')):
+ return
+
+ error = self._html_search_regex(
+ r'class=(["\'])(?:(?!\1).)*\bMessageAlert\b(?:(?!\1).)*\1[^>]*>(?P<error>[^<]+)<',
+ response, 'error message', default=None, group='error')
+ if error:
+ raise ExtractorError('Unable to login: %s' % error, expected=True)
+ raise ExtractorError('Unable to log in')
+
+
+class FrontendMastersPageBaseIE(FrontendMastersBaseIE):
+ def _download_course(self, course_name, url):
+ return self._download_json(
+ '%s/courses/%s' % (self._API_BASE, course_name), course_name,
+ 'Downloading course JSON', headers={'Referer': url})
+
+ @staticmethod
+ def _extract_chapters(course):
+ chapters = []
+ lesson_elements = course.get('lessonElements')
+ if isinstance(lesson_elements, list):
+ chapters = [url_or_none(e) for e in lesson_elements if url_or_none(e)]
+ return chapters
+
+ @staticmethod
+ def _extract_lesson(chapters, lesson_id, lesson):
+ title = lesson.get('title') or lesson_id
+ display_id = lesson.get('slug')
+ description = lesson.get('description')
+ thumbnail = lesson.get('thumbnail')
+
+ chapter_number = None
+ index = lesson.get('index')
+ element_index = lesson.get('elementIndex')
+ if (isinstance(index, int) and isinstance(element_index, int) and
+ index < element_index):
+ chapter_number = element_index - index
+ chapter = (chapters[chapter_number - 1]
+ if chapter_number - 1 < len(chapters) else None)
+
+ duration = None
+ timestamp = lesson.get('timestamp')
+ if isinstance(timestamp, compat_str):
+ mobj = re.search(
+ 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})',
+ timestamp)
+ if mobj:
+ duration = parse_duration(mobj.group('end')) - parse_duration(
+ mobj.group('start'))
+
+ return {
+ '_type': 'url_transparent',
+ 'url': 'frontendmasters:%s' % lesson_id,
+ 'ie_key': FrontendMastersIE.ie_key(),
+ 'id': lesson_id,
+ 'display_id': display_id,
+ 'title': title,
+ 'description': description,
+ 'thumbnail': thumbnail,
+ 'duration': duration,
+ 'chapter': chapter,
+ 'chapter_number': chapter_number,
+ }
+
+
+class FrontendMastersIE(FrontendMastersBaseIE):
+ _VALID_URL = r'(?:frontendmasters:|https?://api\.frontendmasters\.com/v\d+/kabuki/video/)(?P<id>[^/]+)'
+ _TESTS = [{
+ 'url': 'https://api.frontendmasters.com/v1/kabuki/video/a2qogef6ba',
+ 'md5': '7f161159710d6b7016a4f4af6fcb05e2',
+ 'info_dict': {
+ 'id': 'a2qogef6ba',
+ 'ext': 'mp4',
+ 'title': 'a2qogef6ba',
+ },
+ 'skip': 'Requires FrontendMasters account credentials',
+ }, {
+ 'url': 'frontendmasters:a2qogef6ba',
+ 'only_matching': True,
+ }]
+
+ def _real_extract(self, url):
+ lesson_id = self._match_id(url)
+
+ source_url = '%s/video/%s/source' % (self._API_BASE, lesson_id)
+
+ formats = []
+ for ext in ('webm', 'mp4'):
+ for quality in ('low', 'mid', 'high'):
+ resolution = self._QUALITIES[quality].copy()
+ format_id = '%s-%s' % (ext, quality)
+ format_url = self._download_json(
+ source_url, lesson_id,
+ 'Downloading %s source JSON' % format_id, query={
+ 'f': ext,
+ 'r': resolution['height'],
+ }, headers={
+ 'Referer': url,
+ }, fatal=False)['url']
+
+ if not format_url:
+ continue
+
+ f = resolution.copy()
+ f.update({
+ 'url': format_url,
+ 'ext': ext,
+ 'format_id': format_id,
+ })
+ formats.append(f)
+ self._sort_formats(formats)
+
+ subtitles = {
+ 'en': [{
+ 'url': '%s/transcripts/%s.vtt' % (self._API_BASE, lesson_id),
+ }]
+ }
+
+ return {
+ 'id': lesson_id,
+ 'title': lesson_id,
+ 'formats': formats,
+ 'subtitles': subtitles
+ }
+
+
+class FrontendMastersLessonIE(FrontendMastersPageBaseIE):
+ _VALID_URL = r'https?://(?:www\.)?frontendmasters\.com/courses/(?P<course_name>[^/]+)/(?P<lesson_name>[^/]+)'
+ _TEST = {
+ 'url': 'https://frontendmasters.com/courses/web-development/tools',
+ 'info_dict': {
+ 'id': 'a2qogef6ba',
+ 'display_id': 'tools',
+ 'ext': 'mp4',
+ 'title': 'Tools',
+ 'description': 'md5:82c1ea6472e88ed5acd1829fe992e4f7',
+ 'thumbnail': r're:^https?://.*\.jpg$',
+ 'chapter': 'Introduction',
+ 'chapter_number': 1,
+ },
+ 'params': {
+ 'skip_download': True,
+ },
+ 'skip': 'Requires FrontendMasters account credentials',
+ }
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ course_name, lesson_name = mobj.group('course_name', 'lesson_name')
+
+ course = self._download_course(course_name, url)
+
+ lesson_id, lesson = next(
+ (video_id, data)
+ for video_id, data in course['lessonData'].items()
+ if data.get('slug') == lesson_name)
+
+ chapters = self._extract_chapters(course)
+ return self._extract_lesson(chapters, lesson_id, lesson)
+
+
+class FrontendMastersCourseIE(FrontendMastersPageBaseIE):
+ _VALID_URL = r'https?://(?:www\.)?frontendmasters\.com/courses/(?P<id>[^/]+)'
+ _TEST = {
+ 'url': 'https://frontendmasters.com/courses/web-development/',
+ 'info_dict': {
+ 'id': 'web-development',
+ 'title': 'Introduction to Web Development',
+ 'description': 'md5:9317e6e842098bf725d62360e52d49a6',
+ },
+ 'playlist_count': 81,
+ 'skip': 'Requires FrontendMasters account credentials',
+ }
+
+ @classmethod
+ def suitable(cls, url):
+ return False if FrontendMastersLessonIE.suitable(url) else super(
+ FrontendMastersBaseIE, cls).suitable(url)
+
+ def _real_extract(self, url):
+ course_name = self._match_id(url)
+
+ course = self._download_course(course_name, url)
+
+ chapters = self._extract_chapters(course)
+
+ lessons = sorted(
+ course['lessonData'].values(), key=lambda data: data['index'])
+
+ entries = []
+ for lesson in lessons:
+ lesson_name = lesson.get('slug')
+ if not lesson_name:
+ continue
+ lesson_id = lesson.get('hash') or lesson.get('statsId')
+ entries.append(self._extract_lesson(chapters, lesson_id, lesson))
+
+ title = course.get('title')
+ description = course.get('description')
+
+ return self.playlist_result(entries, course_name, title, description)
Rapsys Git / youtubedl / commitdiff