mirror of
https://github.com/ytdl-org/youtube-dl.git
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244 lines
8.3 KiB
Python
244 lines
8.3 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..compat import compat_str
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from ..utils import (
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clean_html,
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determine_ext,
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ExtractorError,
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float_or_none,
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int_or_none,
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str_or_none,
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url_or_none,
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urlencode_postdata,
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urljoin,
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)
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class LecturioBaseIE(InfoExtractor):
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_API_BASE_URL = 'https://app.lecturio.com/api/en/latest/html5/'
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_LOGIN_URL = 'https://app.lecturio.com/en/login'
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_NETRC_MACHINE = 'lecturio'
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def _real_initialize(self):
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self._login()
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def _login(self):
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username, password = self._get_login_info()
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if username is None:
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return
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# Sets some cookies
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_, urlh = self._download_webpage_handle(
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self._LOGIN_URL, None, 'Downloading login popup')
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def is_logged(url_handle):
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return self._LOGIN_URL not in compat_str(url_handle.geturl())
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# Already logged in
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if is_logged(urlh):
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return
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login_form = {
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'signin[email]': username,
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'signin[password]': password,
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'signin[remember]': 'on',
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}
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response, urlh = self._download_webpage_handle(
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self._LOGIN_URL, None, 'Logging in',
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data=urlencode_postdata(login_form))
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# Logged in successfully
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if is_logged(urlh):
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return
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errors = self._html_search_regex(
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r'(?s)<ul[^>]+class=["\']error_list[^>]+>(.+?)</ul>', response,
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'errors', default=None)
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if errors:
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raise ExtractorError('Unable to login: %s' % errors, expected=True)
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raise ExtractorError('Unable to log in')
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class LecturioIE(LecturioBaseIE):
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_VALID_URL = r'''(?x)
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https://
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(?:
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app\.lecturio\.com/([^/]+/(?P<nt>[^/?#&]+)\.lecture|(?:\#/)?lecture/c/\d+/(?P<id>\d+))|
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(?:www\.)?lecturio\.de/[^/]+/(?P<nt_de>[^/?#&]+)\.vortrag
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)
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'''
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_TESTS = [{
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'url': 'https://app.lecturio.com/medical-courses/important-concepts-and-terms-introduction-to-microbiology.lecture#tab/videos',
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'md5': '9a42cf1d8282a6311bf7211bbde26fde',
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'info_dict': {
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'id': '39634',
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'ext': 'mp4',
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'title': 'Important Concepts and Terms — Introduction to Microbiology',
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},
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'skip': 'Requires lecturio account credentials',
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}, {
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'url': 'https://www.lecturio.de/jura/oeffentliches-recht-staatsexamen.vortrag',
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'only_matching': True,
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}, {
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'url': 'https://app.lecturio.com/#/lecture/c/6434/39634',
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'only_matching': True,
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}]
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_CC_LANGS = {
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'Arabic': 'ar',
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'Bulgarian': 'bg',
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'German': 'de',
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'English': 'en',
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'Spanish': 'es',
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'Persian': 'fa',
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'French': 'fr',
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'Japanese': 'ja',
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'Polish': 'pl',
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'Pashto': 'ps',
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'Russian': 'ru',
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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nt = mobj.group('nt') or mobj.group('nt_de')
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lecture_id = mobj.group('id')
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display_id = nt or lecture_id
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api_path = 'lectures/' + lecture_id if lecture_id else 'lecture/' + nt + '.json'
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video = self._download_json(
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self._API_BASE_URL + api_path, display_id)
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title = video['title'].strip()
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if not lecture_id:
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pid = video.get('productId') or video.get('uid')
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if pid:
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spid = pid.split('_')
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if spid and len(spid) == 2:
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lecture_id = spid[1]
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formats = []
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for format_ in video['content']['media']:
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if not isinstance(format_, dict):
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continue
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file_ = format_.get('file')
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if not file_:
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continue
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ext = determine_ext(file_)
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if ext == 'smil':
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# smil contains only broken RTMP formats anyway
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continue
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file_url = url_or_none(file_)
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if not file_url:
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continue
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label = str_or_none(format_.get('label'))
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filesize = int_or_none(format_.get('fileSize'))
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f = {
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'url': file_url,
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'format_id': label,
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'filesize': float_or_none(filesize, invscale=1000)
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}
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if label:
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mobj = re.match(r'(\d+)p\s*\(([^)]+)\)', label)
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if mobj:
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f.update({
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'format_id': mobj.group(2),
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'height': int(mobj.group(1)),
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})
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formats.append(f)
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self._sort_formats(formats)
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subtitles = {}
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automatic_captions = {}
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captions = video.get('captions') or []
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for cc in captions:
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cc_url = cc.get('url')
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if not cc_url:
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continue
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cc_label = cc.get('translatedCode')
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lang = cc.get('languageCode') or self._search_regex(
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r'/([a-z]{2})_', cc_url, 'lang',
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default=cc_label.split()[0] if cc_label else 'en')
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original_lang = self._search_regex(
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r'/[a-z]{2}_([a-z]{2})_', cc_url, 'original lang',
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default=None)
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sub_dict = (automatic_captions
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if 'auto-translated' in cc_label or original_lang
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else subtitles)
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sub_dict.setdefault(self._CC_LANGS.get(lang, lang), []).append({
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'url': cc_url,
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})
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return {
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'id': lecture_id or nt,
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'title': title,
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'formats': formats,
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'subtitles': subtitles,
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'automatic_captions': automatic_captions,
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}
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class LecturioCourseIE(LecturioBaseIE):
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_VALID_URL = r'https://app\.lecturio\.com/(?:[^/]+/(?P<nt>[^/?#&]+)\.course|(?:#/)?course/c/(?P<id>\d+))'
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_TESTS = [{
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'url': 'https://app.lecturio.com/medical-courses/microbiology-introduction.course#/',
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'info_dict': {
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'id': 'microbiology-introduction',
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'title': 'Microbiology: Introduction',
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'description': 'md5:13da8500c25880c6016ae1e6d78c386a',
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},
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'playlist_count': 45,
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'skip': 'Requires lecturio account credentials',
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}, {
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'url': 'https://app.lecturio.com/#/course/c/6434',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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nt, course_id = re.match(self._VALID_URL, url).groups()
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display_id = nt or course_id
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api_path = 'courses/' + course_id if course_id else 'course/content/' + nt + '.json'
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course = self._download_json(
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self._API_BASE_URL + api_path, display_id)
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entries = []
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for lecture in course.get('lectures', []):
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lecture_id = str_or_none(lecture.get('id'))
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lecture_url = lecture.get('url')
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if lecture_url:
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lecture_url = urljoin(url, lecture_url)
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else:
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lecture_url = 'https://app.lecturio.com/#/lecture/c/%s/%s' % (course_id, lecture_id)
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entries.append(self.url_result(
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lecture_url, ie=LecturioIE.ie_key(), video_id=lecture_id))
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return self.playlist_result(
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entries, display_id, course.get('title'),
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clean_html(course.get('description')))
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class LecturioDeCourseIE(LecturioBaseIE):
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_VALID_URL = r'https://(?:www\.)?lecturio\.de/[^/]+/(?P<id>[^/?#&]+)\.kurs'
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_TEST = {
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'url': 'https://www.lecturio.de/jura/grundrechte.kurs',
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'only_matching': True,
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}
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def _real_extract(self, url):
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display_id = self._match_id(url)
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webpage = self._download_webpage(url, display_id)
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entries = []
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for mobj in re.finditer(
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r'(?s)<td[^>]+\bdata-lecture-id=["\'](?P<id>\d+).+?\bhref=(["\'])(?P<url>(?:(?!\2).)+\.vortrag)\b[^>]+>',
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webpage):
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lecture_url = urljoin(url, mobj.group('url'))
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lecture_id = mobj.group('id')
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entries.append(self.url_result(
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lecture_url, ie=LecturioIE.ie_key(), video_id=lecture_id))
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title = self._search_regex(
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r'<h1[^>]*>([^<]+)', webpage, 'title', default=None)
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return self.playlist_result(entries, display_id, title)
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