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ytdl-org / youtube-dl

Command-line program to download videos from YouTube.com and other video sites
http://ytdl-org.github.io/youtube-dl/
The Unlicense
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Error: Unable to extract course id #32199

Closed bbuyukyuksel closed 1 year ago

bbuyukyuksel commented 1 year ago

Checklist

Verbose log

MacBook-Air % python3 /usr/local/bin/youtube-dl --cookies ./cookies.txt https://luxoft.udemy.com/creational_cpp --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--cookies', './cookies.txt', 'https://luxoft.udemy.com/creational_cpp', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, pref UTF-8
[debug] youtube-dl version 2021.12.17
[debug] Python version 3.9.6 (CPython) - macOS-13.3.1-x86_64-i386-64bit
[debug] exe versions: ffmpeg 6.0-tessus
[debug] Proxy map: {}
[udemy:course] creational_cpp: Downloading webpage
[udemy:course] 2709470: Downloading course curriculum
[download] Downloading playlist: 2709470
[udemy:course] playlist 2709470: Collected 82 video ids (downloading 82 of them)
[download] Downloading video 1 of 82
[udemy] 17341766: Downloading webpage
ERROR: Unable to extract course id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 815, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 836, in __extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 534, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/udemy.py", line 219, in _real_extract
    course_id, _ = self._extract_course_info(webpage, lecture_id)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/udemy.py", line 78, in _extract_course_info
    course_id = course.get('id') or self._search_regex(
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1012, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract course id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Description

WRITE DESCRIPTION HERE I am trying to download some course videos on udemy. I am using MacOS and my youtube-dl version is youtube-dl is up-to-date (2021.12.17). When i try to use the program, the error is raising as Error: Unable to extract course id

dirkf commented 1 year ago

Duplicate of #30719.

Please review the existing issue and follow up there as appropriate.

bbuyukyuksel commented 1 year ago

Hello i did things mentioned there. but still it is not working

dirkf commented 1 year ago

*Follow up there** ...?

But basically no-one knows how to solve your problem.

bbuyukyuksel commented 1 year ago

I have applied below..

I found this file here: /Users/<myusername>/Library/Python/3.9/lib/python/site-packages/youtube_dl/extractor/udemy.py

And fixed them manually following the advice above. i.e replace this two lines:

r'data-course-id=["\'](\d+)',
r'&quot;courseId&quot;\s*:\s*(\d+)'

with these:

r'data-(?:clp-)?course-id\s*=\s*["\'](\d+)',
r'&quot;courseId&quot;\s*:\s*\[?(\d+)'

and also i tried save the webpage content into a file.. I append those lines to observe webpage content.. but i guess it seems i could not login the my company page with cookies..

def _real_extract(self, url):
  lecture_id = self._match_id(url)
  webpage = self._download_webpage(url, lecture_id)
+  with open("/Users/<username>/Downloads/Udemy/webpage.txt", "w") as f:
+    f.write(webpage)
   ...
<!DOCTYPE html>
<html lang="tr-tr">
<head>
<title>Oturum Açın ve Öğrenmeye Başlayın | Udemy</title>

<script nonce="EkMQKRTLKhxNynOC7azymNNO72P/cmEiS7IkQnz0jXQ=" type="text/javascript">
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            window.dataLayer = window.dataLayer || [];
        }

        function callGtag() {
            window.dataLayer.push(arguments);
        }

        var GRANTED = 'granted';
        var DENIED = 'denied';

        window.optOutConsent = {
            ad_storage: GRANTED,
            analytics_storage: GRANTED,
            functionality_storage: GRANTED,
            personalization_storage: GRANTED,
            security_storage: GRANTED
        }

        window.optInConsent = {
            ad_storage: DENIED,
            analytics_storage: DENIED,
            functionality_storage: DENIED,
            personalization_storage: DENIED,
            security_storage: GRANTED
        }

        // initialize the default settings to opt-in to protect against timing conditions with Google Analytics Loading
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    </script>
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                }
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<meta name="description" content="Udemy, 213.000 kurstan daha fazlasının ve 62 milyon üzerinde öğrencinin yer aldığı online eğitim ve öğretim platformudur. Programlama, pazarlama, veri bilimi ve daha fazlası hakkında eğitim alabilirsiniz."><meta name="title" content="Online Kurslar - İstediğiniz Her Şeyi Kendi Programınıza Göre Öğrenin | Udemy"><meta name="medium" content="mult"><meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0"><meta name="twitter:card" content="summary_large_image"><meta name="apple-itunes-app" content="app-id=562413829, affiliate-data=ct=Safari_SmartBanner&amp;amp;pt=1240482"><meta name="google-play-app" content="app-id=com.udemy.android"><meta property="fb:app_id" content="313137469260"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta property="og:title" content="Online Kurslar - İstediğiniz Her Şeyi Kendi Programınıza Göre Öğrenin | Udemy"><meta property="og:url" content="https://www.udemy.com/join/login-popup/"><meta property="og:description" content="Udemy, 213.000 kurstan daha fazlasının ve 62 milyon üzerinde öğrencinin yer aldığı online eğitim ve öğretim platformudur. Programlama, pazarlama, veri bilimi ve daha fazlası hakkında eğitim alabilirsiniz."><meta property="og:image" content="https://s.udemycdn.com/meta/default-meta-image-v2.png"><meta property="og:image:secure_url" content="https://s.udemycdn.com/meta/default-meta-image-v2.png"><meta property="og:type" content="video_lecture"><meta property="og:site_name" content="Udemy"><meta property="og:locale" content="tr_TR"><meta name="twitter:domain" content="www.udemy.com"><meta name="twitter:card" content="summary"><meta name="twitter:title" content="Online Kurslar - İstediğiniz Her Şeyi Kendi Programınıza Göre Öğrenin | Udemy"><meta name="twitter:url" content="https://www.udemy.com/join/login-popup/"><meta name="twitter:description" content="Udemy, 213.000 kurstan daha fazlasının ve 62 milyon üzerinde öğrencinin yer aldığı online eğitim ve öğretim platformudur. Programlama, pazarlama, veri bilimi ve daha fazlası hakkında eğitim alabilirsiniz."><meta name="twitter:image" content="https://s.udemycdn.com/meta/default-meta-image-v2.png"><meta name="twitter:site" content="@udemy">
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Do you suggest me to do something else?