mirror of
https://github.com/ytdl-org/youtube-dl.git
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244 lines
9.0 KiB
Python
244 lines
9.0 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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)
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from ..utils import (
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clean_html,
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dict_get,
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ExtractorError,
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get_element_by_class,
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int_or_none,
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parse_iso8601,
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str_or_none,
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strip_or_none,
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try_get,
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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 PlatziBaseIE(InfoExtractor):
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_LOGIN_URL = 'https://platzi.com/login/'
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_NETRC_MACHINE = 'platzi'
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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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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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'email': username,
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'password': password,
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})
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urlh = self._request_webpage(
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self._LOGIN_URL, None, 'Logging in',
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data=urlencode_postdata(login_form),
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headers={'Referer': self._LOGIN_URL})
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# login succeeded
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if 'platzi.com/login' not in urlh.geturl():
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return
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login_error = self._webpage_read_content(
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urlh, self._LOGIN_URL, None, 'Downloading login error page')
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login = self._parse_json(
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self._search_regex(
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r'login\s*=\s*({.+?})(?:\s*;|\s*</script)', login_error, 'login'),
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None)
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for kind in ('error', 'password', 'nonFields'):
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error = str_or_none(login.get('%sError' % kind))
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if error:
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raise ExtractorError(
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'Unable to login: %s' % error, expected=True)
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raise ExtractorError('Unable to log in')
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class PlatziIE(PlatziBaseIE):
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_VALID_URL = r'''(?x)
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https?://
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(?:
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platzi\.com/clases| # es version
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courses\.platzi\.com/classes # en version
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)/[^/]+/(?P<id>\d+)-[^/?\#&]+
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'''
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_TESTS = [{
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'url': 'https://platzi.com/clases/1311-next-js/12074-creando-nuestra-primera-pagina/',
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'md5': '8f56448241005b561c10f11a595b37e3',
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'info_dict': {
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'id': '12074',
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'ext': 'mp4',
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'title': 'Creando nuestra primera página',
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'description': 'md5:4c866e45034fc76412fbf6e60ae008bc',
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'duration': 420,
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},
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'skip': 'Requires platzi account credentials',
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}, {
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'url': 'https://courses.platzi.com/classes/1367-communication-codestream/13430-background/',
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'info_dict': {
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'id': '13430',
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'ext': 'mp4',
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'title': 'Background',
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'description': 'md5:49c83c09404b15e6e71defaf87f6b305',
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'duration': 360,
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},
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'skip': 'Requires platzi account credentials',
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'params': {
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'skip_download': True,
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},
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}]
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def _real_extract(self, url):
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lecture_id = self._match_id(url)
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headers = {'User-Agent': 'Mozilla/5.0'}
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webpage = self._download_webpage(url, lecture_id, headers=headers)
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data_preloaded_state = self._parse_json(
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self._search_regex(
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(r'window\s*.\s*__PRELOADED_STATE__\s*=\s*({.*?});?\s*</script'), webpage, 'client data'),
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lecture_id)
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video_player = try_get(data_preloaded_state, lambda x: x['videoPlayer'], dict)
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title = strip_or_none(video_player.get('name')) or self._og_search_title(webpage)
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servers = try_get(video_player, lambda x: x['video']['servers'], dict) or {}
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if not servers and try_get(video_player, lambda x: x['blockedInfo']['blocked']):
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why = video_player['blockedInfo'].get('type') or 'unspecified'
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if why == 'unlogged':
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self.raise_login_required()
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raise ExtractorError(
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'All video formats blocked because ' + why, expected=True)
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formats = []
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headers['Referer'] = url
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extractions = {
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'hls': lambda x: formats.extend(self._extract_m3u8_formats(
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server_json[x], lecture_id, 'mp4',
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entry_protocol='m3u8_native', m3u8_id='hls',
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note='Downloading %s m3u8 information' % (server_json.get('id', x), ),
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headers=headers, fatal=False)),
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'dash': lambda x: formats.extend(self._extract_mpd_formats(
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server_json[x], lecture_id, mpd_id='dash',
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note='Downloading %s MPD manifest' % (server_json.get('id', x), ),
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headers=headers, fatal=False)),
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}
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for server, server_json in servers.items():
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if not isinstance(server_json, dict):
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continue
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for fmt in server_json.keys():
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extraction = extractions.get(fmt)
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if callable(extraction):
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extraction(fmt)
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self._sort_formats(formats)
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for f in formats:
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f.setdefault('http_headers', {})['Referer'] = headers['Referer']
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def categories():
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cat = strip_or_none(video_player.get('courseCategory'))
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if cat:
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return [cat]
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return {
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'id': lecture_id,
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'title': title,
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'description': clean_html(video_player.get('courseDescription')) or self._og_search_description(webpage),
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'duration': int_or_none(video_player.get('duration'), invscale=60),
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'thumbnail': url_or_none(video_player.get('thumbnail')) or self._og_search_thumbnail(webpage),
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'timestamp': parse_iso8601(dict_get(video_player, ('dataModified', 'dataPublished'))),
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'creator': strip_or_none(video_player.get('teacherName')) or clean_html(get_element_by_class('TeacherDetails-name', webpage)),
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'comment_count': int_or_none(video_player.get('commentsNumber')),
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'categories': categories(),
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'series': strip_or_none(video_player.get('courseTitle')) or None,
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'formats': formats,
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}
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class PlatziCourseIE(PlatziBaseIE):
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_VALID_URL = r'''(?x)
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https?://
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(?:
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platzi\.com/clases| # es version
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courses\.platzi\.com/classes # en version
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)/(?P<id>[^/?\#&]+)
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'''
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_TESTS = [{
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'url': 'https://platzi.com/clases/next-js/',
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'info_dict': {
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'id': '1311',
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'title': 'Curso de Next.js',
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},
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'playlist_count': 22,
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}, {
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'url': 'https://courses.platzi.com/classes/communication-codestream/',
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'info_dict': {
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'id': '1367',
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'title': 'Codestream Course',
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},
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'playlist_count': 14,
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}]
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@classmethod
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def suitable(cls, url):
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return False if PlatziIE.suitable(url) else super(PlatziCourseIE, 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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webpage = self._download_webpage(url, course_name)
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initialData = self._search_regex(
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(r'window.initialData\s*=\s*({.+?})\s*;\s*\n', r'window.initialData\s*=\s*({.+?})\s*;'),
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webpage, 'initialData')
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props = self._parse_json(initialData, course_name, default={})
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props = try_get(props, lambda x: x['initialProps'], dict) or {}
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entries = []
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for chapter_num, chapter in enumerate(props.get('concepts') or [], 1):
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if not isinstance(chapter, dict):
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continue
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materials = chapter.get('materials')
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if not materials or not isinstance(materials, list):
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continue
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chapter_title = chapter.get('title')
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chapter_id = str_or_none(chapter.get('id'))
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for material in materials:
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if not isinstance(material, dict):
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continue
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if material.get('material_type') != 'video':
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continue
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video_url = urljoin(url, material.get('url'))
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if not video_url:
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continue
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entries.append({
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'_type': 'url_transparent',
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'url': video_url,
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'title': str_or_none(material.get('name')),
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'id': str_or_none(material.get('id')),
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'ie_key': PlatziIE.ie_key(),
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'chapter': chapter_title,
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'chapter_number': chapter_num,
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'chapter_id': chapter_id,
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})
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course_id = compat_str(try_get(props, lambda x: x['course']['id']))
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course_title = try_get(props, lambda x: x['course']['name'], compat_str)
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result = self.playlist_result(entries, course_id, course_title)
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desc = clean_html(get_element_by_class('RouteDescription-content', webpage))
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if desc:
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result['description'] = desc
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return result
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