mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-11-25 19:52:11 +00:00
263 lines
8.6 KiB
Python
263 lines
8.6 KiB
Python
# 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)
|