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# coding: utf-8
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
determine_ext,
extract_attributes,
ExtractorError,
float_or_none,
int_or_none,
str_or_none,
url_or_none,
urlencode_postdata,
urljoin,
)
class LecturioBaseIE(InfoExtractor):
_LOGIN_URL = 'https://app.lecturio.com/en/login'
_NETRC_MACHINE = 'lecturio'
def _real_initialize(self):
self._login()
def _login(self):
username, password = self._get_login_info()
if username is None:
return
# Sets some cookies
_, urlh = self._download_webpage_handle(
self._LOGIN_URL, None, 'Downloading login popup')
def is_logged(url_handle):
return self._LOGIN_URL not in compat_str(url_handle.geturl())
# Already logged in
if is_logged(urlh):
return
login_form = {
'signin[email]': username,
'signin[password]': password,
'signin[remember]': 'on',
}
response, urlh = self._download_webpage_handle(
self._LOGIN_URL, None, 'Logging in',
data=urlencode_postdata(login_form))
# Logged in successfully
if is_logged(urlh):
return
errors = self._html_search_regex(
r'(?s)<ul[^>]+class=["\']error_list[^>]+>(.+?)</ul>', response,
'errors', default=None)
if errors:
raise ExtractorError('Unable to login: %s' % errors, expected=True)
raise ExtractorError('Unable to log in')
class LecturioIE(LecturioBaseIE):
_VALID_URL = r'https://app\.lecturio\.com/[^/]+/(?P<id>[^/?#&]+)\.lecture'
_TEST = {
'url': 'https://app.lecturio.com/medical-courses/important-concepts-and-terms-introduction-to-microbiology.lecture#tab/videos',
'md5': 'f576a797a5b7a5e4e4bbdfc25a6a6870',
'info_dict': {
'id': '39634',
'ext': 'mp4',
'title': 'Important Concepts and Terms – Introduction to Microbiology',
},
'skip': 'Requires lecturio account credentials',
}
_CC_LANGS = {
'German': 'de',
'English': 'en',
'Spanish': 'es',
'French': 'fr',
'Polish': 'pl',
'Russian': 'ru',
}
def _real_extract(self, url):
display_id = self._match_id(url)
webpage = self._download_webpage(
'https://app.lecturio.com/en/lecture/%s/player.html' % display_id,
display_id)
lecture_id = self._search_regex(
r'lecture_id\s*=\s*(?:L_)?(\d+)', webpage, 'lecture id')
api_url = self._search_regex(
r'lectureDataLink\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
'api url', group='url')
video = self._download_json(api_url, display_id)
title = video['title'].strip()
formats = []
for format_ in video['content']['media']:
if not isinstance(format_, dict):
continue
file_ = format_.get('file')
if not file_:
continue
ext = determine_ext(file_)
if ext == 'smil':
# smil contains only broken RTMP formats anyway
continue
file_url = url_or_none(file_)
if not file_url:
continue
label = str_or_none(format_.get('label'))
filesize = int_or_none(format_.get('fileSize'))
formats.append({
'url': file_url,
'format_id': label,
'filesize': float_or_none(filesize, invscale=1000)
})
self._sort_formats(formats)
subtitles = {}
automatic_captions = {}
cc = self._parse_json(
self._search_regex(
r'subtitleUrls\s*:\s*({.+?})\s*,', webpage, 'subtitles',
default='{}'), display_id, fatal=False)
for cc_label, cc_url in cc.items():
cc_url = url_or_none(cc_url)
if not cc_url:
continue
lang = self._search_regex(
r'/([a-z]{2})_', cc_url, 'lang',
default=cc_label.split()[0] if cc_label else 'en')
original_lang = self._search_regex(
r'/[a-z]{2}_([a-z]{2})_', cc_url, 'original lang',
default=None)
sub_dict = (automatic_captions
if 'auto-translated' in cc_label or original_lang
else subtitles)
sub_dict.setdefault(self._CC_LANGS.get(lang, lang), []).append({
'url': cc_url,
})
return {
'id': lecture_id,
'title': title,
'formats': formats,
'subtitles': subtitles,
'automatic_captions': automatic_captions,
}
class LecturioCourseIE(LecturioBaseIE):
_VALID_URL = r'https://app\.lecturio\.com/[^/]+/(?P<id>[^/?#&]+)\.course'
_TEST = {
'url': 'https://app.lecturio.com/medical-courses/microbiology-introduction.course#/',
'info_dict': {
'id': 'microbiology-introduction',
'title': 'Microbiology: Introduction',
},
'playlist_count': 45,
'skip': 'Requires lecturio account credentials',
}
def _real_extract(self, url):
display_id = self._match_id(url)
webpage = self._download_webpage(url, display_id)
entries = []
for mobj in re.finditer(
r'(?s)<[^>]+\bdata-url=(["\'])(?:(?!\1).)+\.lecture\b[^>]+>',
webpage):
params = extract_attributes(mobj.group(0))
lecture_url = urljoin(url, params.get('data-url'))
lecture_id = params.get('data-id')
entries.append(self.url_result(
lecture_url, ie=LecturioIE.ie_key(), video_id=lecture_id))
title = self._search_regex(
r'<span[^>]+class=["\']content-title[^>]+>([^<]+)', webpage,
'title', default=None)
return self.playlist_result(entries, display_id, title)
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