[udemy] Semi-switch to api 2.0 (Closes #7704)
* Use api 2.0 to get lectures since it provides more formats * Fix authorization for api 2.0 * Autotry enrolling in the course for single lectures * Extract additional metadata rom asset['data']['outputs']
This commit is contained in:
Sergey M․
parent
78717fc328
commit
328f82d59a
1 changed files with 95 additions and 65 deletions
|
|
@ -1,14 +1,15 @@
|
|||
from __future__ import unicode_literals
|
||||
|
||||
import re
|
||||
|
||||
from .common import InfoExtractor
|
||||
from ..compat import (
|
||||
compat_HTTPError,
|
||||
compat_urllib_parse,
|
||||
compat_urllib_request,
|
||||
compat_urlparse,
|
||||
)
|
||||
from ..utils import (
|
||||
ExtractorError,
|
||||
float_or_none,
|
||||
int_or_none,
|
||||
sanitized_Request,
|
||||
)
|
||||
|
|
@ -19,6 +20,8 @@ class UdemyIE(InfoExtractor):
|
|||
_VALID_URL = r'https?://www\.udemy\.com/(?:[^#]+#/lecture/|lecture/view/?\?lectureId=)(?P<id>\d+)'
|
||||
_LOGIN_URL = 'https://www.udemy.com/join/login-popup/?displayType=ajax&showSkipButton=1'
|
||||
_ORIGIN_URL = 'https://www.udemy.com'
|
||||
_SUCCESSFULLY_ENROLLED = '>You have enrolled in this course!<'
|
||||
_ALREADY_ENROLLED = '>You are already taking this course.<'
|
||||
_NETRC_MACHINE = 'udemy'
|
||||
|
||||
_TESTS = [{
|
||||
|
|
@ -34,6 +37,29 @@ class UdemyIE(InfoExtractor):
|
|||
'skip': 'Requires udemy account credentials',
|
||||
}]
|
||||
|
||||
def _enroll_course(self, webpage, course_id):
|
||||
enroll_url = self._search_regex(
|
||||
r'href=(["\'])(?P<url>https?://(?:www\.)?udemy\.com/course/subscribe/.+?)\1',
|
||||
webpage, 'enroll url', group='url',
|
||||
default='https://www.udemy.com/course/subscribe/?courseId=%s' % course_id)
|
||||
webpage = self._download_webpage(enroll_url, course_id, 'Enrolling in the course')
|
||||
if self._SUCCESSFULLY_ENROLLED in webpage:
|
||||
self.to_screen('%s: Successfully enrolled in' % course_id)
|
||||
elif self._ALREADY_ENROLLED in webpage:
|
||||
self.to_screen('%s: Already enrolled in' % course_id)
|
||||
|
||||
def _download_lecture(self, course_id, lecture_id):
|
||||
return self._download_json(
|
||||
'https://www.udemy.com/api-2.0/users/me/subscribed-courses/%s/lectures/%s?%s' % (
|
||||
course_id, lecture_id, compat_urllib_parse.urlencode({
|
||||
'video_only': '',
|
||||
'auto_play': '',
|
||||
'fields[lecture]': 'title,description,asset',
|
||||
'fields[asset]': 'asset_type,stream_url,thumbnail_url,download_urls,data',
|
||||
'instructorPreviewMode': 'False',
|
||||
})),
|
||||
lecture_id, 'Downloading lecture JSON', fatal=False)
|
||||
|
||||
def _handle_error(self, response):
|
||||
if not isinstance(response, dict):
|
||||
return
|
||||
|
|
@ -45,7 +71,7 @@ class UdemyIE(InfoExtractor):
|
|||
error_str += ' - %s' % error_data.get('formErrors')
|
||||
raise ExtractorError(error_str, expected=True)
|
||||
|
||||
def _download_json(self, url_or_request, video_id, note='Downloading JSON metadata'):
|
||||
def _download_json(self, url_or_request, video_id, note='Downloading JSON metadata', *args, **kwargs):
|
||||
headers = {
|
||||
'X-Udemy-Snail-Case': 'true',
|
||||
'X-Requested-With': 'XMLHttpRequest',
|
||||
|
|
@ -55,6 +81,7 @@ class UdemyIE(InfoExtractor):
|
|||
headers['X-Udemy-Client-Id'] = cookie.value
|
||||
elif cookie.name == 'access_token':
|
||||
headers['X-Udemy-Bearer-Token'] = cookie.value
|
||||
headers['X-Udemy-Authorization'] = 'Bearer %s' % cookie.value
|
||||
|
||||
if isinstance(url_or_request, compat_urllib_request.Request):
|
||||
for header, value in headers.items():
|
||||
|
|
@ -62,7 +89,7 @@ class UdemyIE(InfoExtractor):
|
|||
else:
|
||||
url_or_request = sanitized_Request(url_or_request, headers=headers)
|
||||
|
||||
response = super(UdemyIE, self)._download_json(url_or_request, video_id, note)
|
||||
response = super(UdemyIE, self)._download_json(url_or_request, video_id, note, *args, **kwargs)
|
||||
self._handle_error(response)
|
||||
return response
|
||||
|
||||
|
|
@ -110,66 +137,77 @@ class UdemyIE(InfoExtractor):
|
|||
def _real_extract(self, url):
|
||||
lecture_id = self._match_id(url)
|
||||
|
||||
lecture = self._download_json(
|
||||
'https://www.udemy.com/api-1.1/lectures/%s' % lecture_id,
|
||||
lecture_id, 'Downloading lecture JSON')
|
||||
webpage = self._download_webpage(url, lecture_id)
|
||||
|
||||
asset_type = lecture.get('assetType') or lecture.get('asset_type')
|
||||
course_id = self._search_regex(
|
||||
r'data-course-id=["\'](\d+)', webpage, 'course id')
|
||||
|
||||
try:
|
||||
lecture = self._download_lecture(course_id, lecture_id)
|
||||
except ExtractorError as e:
|
||||
# Error could possibly mean we are not enrolled in the course
|
||||
if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
|
||||
self._enroll_course(webpage, course_id)
|
||||
lecture_id = self._download_lecture(course_id, lecture_id)
|
||||
else:
|
||||
raise
|
||||
|
||||
title = lecture['title']
|
||||
description = lecture.get('description')
|
||||
|
||||
asset = lecture['asset']
|
||||
|
||||
asset_type = asset.get('assetType') or asset.get('asset_type')
|
||||
if asset_type != 'Video':
|
||||
raise ExtractorError(
|
||||
'Lecture %s is not a video' % lecture_id, expected=True)
|
||||
|
||||
asset = lecture['asset']
|
||||
|
||||
stream_url = asset.get('streamUrl') or asset.get('stream_url')
|
||||
mobj = re.search(r'(https?://www\.youtube\.com/watch\?v=.*)', stream_url)
|
||||
if mobj:
|
||||
return self.url_result(mobj.group(1), 'Youtube')
|
||||
if stream_url:
|
||||
youtube_url = self._search_regex(
|
||||
r'(https?://www\.youtube\.com/watch\?v=.*)', stream_url, 'youtube URL', default=None)
|
||||
if youtube_url:
|
||||
return self.url_result(youtube_url, 'Youtube')
|
||||
|
||||
video_id = asset['id']
|
||||
thumbnail = asset.get('thumbnailUrl') or asset.get('thumbnail_url')
|
||||
duration = int_or_none(asset.get('data', {}).get('duration'))
|
||||
duration = float_or_none(asset.get('data', {}).get('duration'))
|
||||
outputs = asset.get('data', {}).get('outputs', {})
|
||||
|
||||
download_url = asset.get('downloadUrl') or asset.get('download_url')
|
||||
|
||||
video = download_url.get('Video') or download_url.get('video')
|
||||
video_480p = download_url.get('Video480p') or download_url.get('video_480p')
|
||||
|
||||
formats = [{
|
||||
'url': video_480p[0],
|
||||
'format_id': 'download-360p',
|
||||
}, {
|
||||
'url': video[0],
|
||||
'format_id': 'download-720p',
|
||||
}]
|
||||
|
||||
# Some videos also contain formats in asset['data']['outputs'] (e.g.
|
||||
formats = []
|
||||
for format_ in asset.get('download_urls', {}).get('Video', []):
|
||||
video_url = format_.get('file')
|
||||
if not video_url:
|
||||
continue
|
||||
format_id = format_.get('label')
|
||||
f = {
|
||||
'url': format_['file'],
|
||||
'height': int_or_none(format_id),
|
||||
}
|
||||
if format_id:
|
||||
# Some videos contain additional metadata (e.g.
|
||||
# https://www.udemy.com/ios9-swift/learn/#/lecture/3383208)
|
||||
outputs = asset.get('data', {}).get('outputs')
|
||||
if isinstance(outputs, dict):
|
||||
for format_id, f in outputs.items():
|
||||
video_url = f.get('url')
|
||||
if video_url:
|
||||
formats.append({
|
||||
'url': video_url,
|
||||
'format_id': '%sp' % (f.get('labe1l') or format_id),
|
||||
'width': int_or_none(f.get('width')),
|
||||
'height': int_or_none(f.get('height')),
|
||||
'vbr': int_or_none(f.get('video_bitrate_in_kbps')),
|
||||
'vcodec': f.get('video_codec'),
|
||||
'fps': int_or_none(f.get('frame_rate')),
|
||||
'abr': int_or_none(f.get('audio_bitrate_in_kbps')),
|
||||
'acodec': f.get('audio_codec'),
|
||||
'asr': int_or_none(f.get('audio_sample_rate')),
|
||||
'tbr': int_or_none(f.get('total_bitrate_in_kbps')),
|
||||
'filesize': int_or_none(f.get('file_size_in_bytes')),
|
||||
output = outputs.get(format_id)
|
||||
if isinstance(output, dict):
|
||||
f.update({
|
||||
'format_id': '%sp' % (output.get('label') or format_id),
|
||||
'width': int_or_none(output.get('width')),
|
||||
'height': int_or_none(output.get('height')),
|
||||
'vbr': int_or_none(output.get('video_bitrate_in_kbps')),
|
||||
'vcodec': output.get('video_codec'),
|
||||
'fps': int_or_none(output.get('frame_rate')),
|
||||
'abr': int_or_none(output.get('audio_bitrate_in_kbps')),
|
||||
'acodec': output.get('audio_codec'),
|
||||
'asr': int_or_none(output.get('audio_sample_rate')),
|
||||
'tbr': int_or_none(output.get('total_bitrate_in_kbps')),
|
||||
'filesize': int_or_none(output.get('file_size_in_bytes')),
|
||||
})
|
||||
else:
|
||||
f['format_id'] = '%sp' % format_id
|
||||
formats.append(f)
|
||||
|
||||
self._sort_formats(formats)
|
||||
|
||||
title = lecture['title']
|
||||
description = lecture.get('description')
|
||||
|
||||
return {
|
||||
'id': video_id,
|
||||
'title': title,
|
||||
|
|
@ -182,9 +220,7 @@ class UdemyIE(InfoExtractor):
|
|||
|
||||
class UdemyCourseIE(UdemyIE):
|
||||
IE_NAME = 'udemy:course'
|
||||
_VALID_URL = r'https?://www\.udemy\.com/(?P<coursepath>[\da-z-]+)'
|
||||
_SUCCESSFULLY_ENROLLED = '>You have enrolled in this course!<'
|
||||
_ALREADY_ENROLLED = '>You are already taking this course.<'
|
||||
_VALID_URL = r'https?://www\.udemy\.com/(?P<id>[\da-z-]+)'
|
||||
_TESTS = []
|
||||
|
||||
@classmethod
|
||||
|
|
@ -192,24 +228,18 @@ class UdemyCourseIE(UdemyIE):
|
|||
return False if UdemyIE.suitable(url) else super(UdemyCourseIE, cls).suitable(url)
|
||||
|
||||
def _real_extract(self, url):
|
||||
mobj = re.match(self._VALID_URL, url)
|
||||
course_path = mobj.group('coursepath')
|
||||
course_path = self._match_id(url)
|
||||
|
||||
webpage = self._download_webpage(url, course_path)
|
||||
|
||||
response = self._download_json(
|
||||
'https://www.udemy.com/api-1.1/courses/%s' % course_path,
|
||||
course_path, 'Downloading course JSON')
|
||||
|
||||
course_id = int(response['id'])
|
||||
course_title = response['title']
|
||||
course_id = response['id']
|
||||
course_title = response.get('title')
|
||||
|
||||
webpage = self._download_webpage(
|
||||
'https://www.udemy.com/course/subscribe/?courseId=%s' % course_id,
|
||||
course_id, 'Enrolling in the course')
|
||||
|
||||
if self._SUCCESSFULLY_ENROLLED in webpage:
|
||||
self.to_screen('%s: Successfully enrolled in' % course_id)
|
||||
elif self._ALREADY_ENROLLED in webpage:
|
||||
self.to_screen('%s: Already enrolled in' % course_id)
|
||||
self._enroll_course(webpage, course_id)
|
||||
|
||||
response = self._download_json(
|
||||
'https://www.udemy.com/api-1.1/courses/%s/curriculum' % course_id,
|
||||
|
|
|
|||
Loading…
Reference in a new issue