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# coding: utf-8
from __future__ import unicode_literals
from .common import InfoExtractor
from ..compat import (
compat_b64decode,
compat_str,
)
from ..utils import (
clean_html,
ExtractorError,
int_or_none,
str_or_none,
try_get,
url_or_none,
urlencode_postdata,
urljoin,
)
class PlatziIE(InfoExtractor):
_VALID_URL = r'''(?x)
https?://
(?:
platzi\.com/clases| # es version
courses\.platzi\.com/classes # en version
)/[^/]+/(?P<id>\d+)-[^/?\#&]+
'''
_LOGIN_URL = 'https://platzi.com/login/'
_NETRC_MACHINE = 'platzi'
_TESTS = [{
'url': 'https://platzi.com/clases/1311-next-js/12074-creando-nuestra-primera-pagina/',
'md5': '8f56448241005b561c10f11a595b37e3',
'info_dict': {
'id': '12074',
'ext': 'mp4',
'title': 'Creando nuestra primera página',
'description': 'md5:4c866e45034fc76412fbf6e60ae008bc',
'duration': 420,
},
'skip': 'Requires platzi account credentials',
}, {
'url': 'https://courses.platzi.com/classes/1367-communication-codestream/13430-background/',
'info_dict': {
'id': '13430',
'ext': 'mp4',
'title': 'Background',
'description': 'md5:49c83c09404b15e6e71defaf87f6b305',
'duration': 360,
},
'skip': 'Requires platzi account credentials',
'params': {
'skip_download': True,
},
}]
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({
'email': username,
'password': password,
})
urlh = self._request_webpage(
self._LOGIN_URL, None, 'Logging in',
data=urlencode_postdata(login_form),
headers={'Referer': self._LOGIN_URL})
# login succeeded
if 'platzi.com/login' not in compat_str(urlh.geturl()):
return
login_error = self._webpage_read_content(
urlh, self._LOGIN_URL, None, 'Downloading login error page')
login = self._parse_json(
self._search_regex(
r'login\s*=\s*({.+?})(?:\s*;|\s*</script)', login_error, 'login'),
None)
for kind in ('error', 'password', 'nonFields'):
error = str_or_none(login.get('%sError' % kind))
if error:
raise ExtractorError(
'Unable to login: %s' % error, expected=True)
raise ExtractorError('Unable to log in')
def _real_extract(self, url):
lecture_id = self._match_id(url)
webpage = self._download_webpage(url, lecture_id)
data = self._parse_json(
self._search_regex(
r'client_data\s*=\s*({.+?})\s*;', webpage, 'client data'),
lecture_id)
material = data['initialState']['material']
desc = material['description']
title = desc['title']
formats = []
for server_id, server in material['videos'].items():
if not isinstance(server, dict):
continue
for format_id in ('hls', 'dash'):
format_url = url_or_none(server.get(format_id))
if not format_url:
continue
if format_id == 'hls':
formats.extend(self._extract_m3u8_formats(
format_url, lecture_id, 'mp4',
entry_protocol='m3u8_native', m3u8_id=format_id,
note='Downloading %s m3u8 information' % server_id,
fatal=False))
elif format_id == 'dash':
formats.extend(self._extract_mpd_formats(
format_url, lecture_id, mpd_id=format_id,
note='Downloading %s MPD manifest' % server_id,
fatal=False))
self._sort_formats(formats)
content = str_or_none(desc.get('content'))
description = (clean_html(compat_b64decode(content).decode('utf-8'))
if content else None)
duration = int_or_none(material.get('duration'), invscale=60)
return {
'id': lecture_id,
'title': title,
'description': description,
'duration': duration,
'formats': formats,
}
class PlatziCourseIE(InfoExtractor):
_VALID_URL = r'''(?x)
https?://
(?:
platzi\.com/clases| # es version
courses\.platzi\.com/classes # en version
)/(?P<id>[^/?\#&]+)
'''
_TESTS = [{
'url': 'https://platzi.com/clases/next-js/',
'info_dict': {
'id': '1311',
'title': 'Curso de Next.js',
},
'playlist_count': 22,
}, {
'url': 'https://courses.platzi.com/classes/communication-codestream/',
'info_dict': {
'id': '1367',
'title': 'Codestream Course',
},
'playlist_count': 14,
}]
@classmethod
def suitable(cls, url):
return False if PlatziIE.suitable(url) else super(PlatziCourseIE, cls).suitable(url)
def _real_extract(self, url):
course_name = self._match_id(url)
webpage = self._download_webpage(url, course_name)
props = self._parse_json(
self._search_regex(r'data\s*=\s*({.+?})\s*;', webpage, 'data'),
course_name)['initialProps']
entries = []
for chapter_num, chapter in enumerate(props['concepts'], 1):
if not isinstance(chapter, dict):
continue
materials = chapter.get('materials')
if not materials or not isinstance(materials, list):
continue
chapter_title = chapter.get('title')
chapter_id = str_or_none(chapter.get('id'))
for material in materials:
if not isinstance(material, dict):
continue
if material.get('material_type') != 'video':
continue
video_url = urljoin(url, material.get('url'))
if not video_url:
continue
entries.append({
'_type': 'url_transparent',
'url': video_url,
'title': str_or_none(material.get('name')),
'id': str_or_none(material.get('id')),
'ie_key': PlatziIE.ie_key(),
'chapter': chapter_title,
'chapter_number': chapter_num,
'chapter_id': chapter_id,
})
course_id = compat_str(try_get(props, lambda x: x['course']['id']))
course_title = try_get(props, lambda x: x['course']['name'], compat_str)
return self.playlist_result(entries, course_id, course_title)
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