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mirror of https://github.com/l1ving/youtube-dl synced 2020-11-18 19:53:54 -08:00
youtube-dl/youtube_dl/extractor/frontendmaster.py
2018-04-26 20:33:09 +01:00

88 lines
2.9 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import json
import re
from youtube_dl.utils import try_get
from .common import InfoExtractor
from ..compat import (
# compat_str,
compat_urlparse,
compat_str)
class FrontEndMasterBaseIE(InfoExtractor):
_API_BASE = 'https://api.frontendmasters.com/v1/kabuki/courses'
_supported_resolutions = {
'low': 360,
'mid': 720,
'high': 1080
}
_supported_formats = ['mp4', 'webm']
def _match_course_id(self, url):
if '_VALID_URL_RE' not in self.__dict__:
self._VALID_URL_RE = re.compile(self._VALID_URL)
m = self._VALID_URL_RE.match(url)
assert m
return compat_str(m.group('courseid'))
def _download_course(self, course_id, url, display_id):
response = self._download_json(
'%s/%s' % (self._API_BASE, course_id), course_id,
'Downloading course JSON',
headers={
'Content-Type': 'application/json;charset=utf-8',
'Referer': url,
})
return response
class FrontEndMasterIE(FrontEndMasterBaseIE):
_VALID_URL = r'https?://(?:www\.)?frontendmasters\.com/courses/(?P<courseid>[a-z\-]+)/(?P<id>[a-z\-]+)/?'
_TEST = {
'url': 'https://frontendmasters.com/courses/content-strategy/introduction/',
'md5': 'TODO: md5 sum of the first 10241 bytes of the video file (use --test)',
'info_dict': {
'id': 'introduction',
'courseid': 'content-strategy',
'ext': 'webm',
'title': 'Introduction',
'thumbnail': r're:^https?://.*\.jpg$',
# TODO more properties, either as:
# * A value
# * MD5 checksum; start the string with md5:
# * A regular expression; start the string with re:
# * Any Python type (for example int or float)
}
}
def _real_extract(self, url):
video_id = self._match_id(url)
course_id = self._match_course_id(url)
json_content = self._download_course(course_id=course_id, url=url, display_id=None)
webpage = self._download_webpage(url, video_id)
# TODO more code goes here, for example ...
lesson_index = json_content['lessonSlugs'].index(video_id)
lesson_hash = json_content['lessonHashes'][lesson_index]
lesson_data = json_content['lessonData'][lesson_hash]
lesson_source_base = lesson_data['sourceBase']
video_url_request = "%s/source?r=360&f=mp4"
title = lesson_data['title']
description = json_content['description']
# title = self._html_search_regex(r'<div class="title">(.+?)</div>', webpage, 'title')
return {
'id': video_id,
'title': title,
'description': description,
# TODO more properties (see youtube_dl/extractor/common.py)
}