225 lines
7.5 KiB
Python
225 lines
7.5 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_b64decode,
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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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ExtractorError,
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int_or_none,
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str_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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webpage = self._download_webpage(url, lecture_id)
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data = self._parse_json(
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self._search_regex(
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# client_data may contain "};" so that we have to try more
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# strict regex first
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(r'client_data\s*=\s*({.+?})\s*;\s*\n',
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r'client_data\s*=\s*({.+?})\s*;'),
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webpage, 'client data'),
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lecture_id)
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material = data['initialState']['material']
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desc = material['description']
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title = desc['title']
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formats = []
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for server_id, server in material['videos'].items():
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if not isinstance(server, dict):
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continue
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for format_id in ('hls', 'dash'):
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format_url = url_or_none(server.get(format_id))
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if not format_url:
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continue
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if format_id == 'hls':
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formats.extend(self._extract_m3u8_formats(
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format_url, lecture_id, 'mp4',
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entry_protocol='m3u8_native', m3u8_id=format_id,
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note='Downloading %s m3u8 information' % server_id,
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fatal=False))
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elif format_id == 'dash':
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formats.extend(self._extract_mpd_formats(
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format_url, lecture_id, mpd_id=format_id,
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note='Downloading %s MPD manifest' % server_id,
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fatal=False))
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self._sort_formats(formats)
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content = str_or_none(desc.get('content'))
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description = (clean_html(compat_b64decode(content).decode('utf-8'))
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if content else None)
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duration = int_or_none(material.get('duration'), invscale=60)
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return {
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'id': lecture_id,
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'title': title,
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'description': description,
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'duration': duration,
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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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props = self._parse_json(
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self._search_regex(r'data\s*=\s*({.+?})\s*;', webpage, 'data'),
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course_name)['initialProps']
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entries = []
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for chapter_num, chapter in enumerate(props['concepts'], 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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return self.playlist_result(entries, course_id, course_title)
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