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udemy playlist download stopped when lecture is a html page #7372

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opened 2026-02-21 03:37:15 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-21 03:37:15 -05:00

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Originally created by @ahiyo on GitHub (Apr 2, 2016).

Please follow the guide below

You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
Put an x into all the boxes [ ] relevant to your issue (like that [x])
Use Preview tab to see how your issue will actually look like

Make sure you are using the latest version: run `youtube-dl --version` and ensure your version is 2016.04.01. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

[x ] I've verified and I assure that I'm running youtube-dl 2016.04.01

Before submitting an issue make sure you have:

[x ] At least skimmed through README and most notably FAQ and BUGS sections
[x ] Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

[x ] Bug report (encountered problems with youtube-dl)
Site support request (request for adding support for a new site)
Feature request (request for a new functionality)
Question
Other

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

$ youtube-dl -u user@mail.com -p private --verbose -o '~/Videos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s-%(title)s.%(ext)s' https://www.udemy.com/the-complete-web-developer-course-2
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-u', 'PRIVATE', '-p', 'PRIVATE', '--verbose', '-o', '~/Videos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s-%(title)s.%(ext)s', 'https://www.udemy.com/the-complete-web-developer-course-2']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.04.01
[debug] Python version 3.4.3 - Linux-3.16.0-38-generic-x86_64-with-LinuxMint-17.3-rosa
[debug] exe versions: avconv 11.3-6, avprobe 11.3-6, ffmpeg N-78590-g5590ab4, ffprobe N-78590-g5590ab4
[debug] Proxy map: {}
[udemy:course] Downloading login popup
[udemy:course] Logging in as Private
[udemy:course] the-complete-web-developer-course-2: Downloading webpage
[udemy:course] 764164: Downloading course curriculum
[download] Downloading playlist: The Complete Web Developer Course 2.0
[udemy:course] playlist The Complete Web Developer Course 2.0: Collected 289 video ids (downloading 289 of them)
[download] Downloading video 1 of 289
[udemy] Downloading login popup
[udemy] 4720352: Downloading webpage
[udemy] 4720352: Downloading lecture JSON
[debug] Invoking downloader on 'https://udemy-assets-on-demand.udemy.com/2016-03-11_11-48-16-private'
.....CUT.....
[download] Downloading video 6 of 289
[udemy] 4566028: Downloading webpage
[udemy] 4566028: Downloading lecture JSON
ERROR: Lecture 4566028 is not a video
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/youtube_dl/YoutubeDL.py", line 669, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python3.4/dist-packages/youtube_dl/extractor/common.py", line 323, in extract
    return self._real_extract(url)
  File "/usr/local/lib/python3.4/dist-packages/youtube_dl/extractor/udemy.py", line 199, in _real_extract
    'Lecture %s is not a video' % lecture_id, expected=True)
youtube_dl.utils.ExtractorError: Lecture 4566028 is not a video

Lecture 6 is a html page. Normally those are skipped. Ideally it would be great to save it as a pdf (maby out of the scope of this development.) I remain available for more log information if necessary.

Originally created by @ahiyo on GitHub (Apr 2, 2016). ## Please follow the guide below - You will be asked some questions and requested to provide some information, please read them **carefully** and answer honestly - Put an `x` into all the boxes [ ] relevant to your _issue_ (like that [x]) - Use _Preview_ tab to see how your issue will actually look like --- ### Make sure you are using the _latest_ version: run `youtube-dl --version` and ensure your version is _2016.04.01_. If it's not read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected. - [x ] I've **verified** and **I assure** that I'm running youtube-dl **2016.04.01** ### Before submitting an _issue_ make sure you have: - [x ] At least skimmed through [README](https://github.com/rg3/youtube-dl/blob/master/README.md) and **most notably** [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections - [x ] [Searched](https://github.com/rg3/youtube-dl/search?type=Issues) the bugtracker for similar issues including closed ones ### What is the purpose of your _issue_? - [x ] Bug report (encountered problems with youtube-dl) - [ ] Site support request (request for adding support for a new site) - [ ] Feature request (request for a new functionality) - [ ] Question - [ ] Other --- ### The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your _issue_ --- ### If the purpose of this _issue_ is a _bug report_, _site support request_ or you are not completely sure provide the full verbose output as follows: Add `-v` flag to **your command line** you run youtube-dl with, copy the **whole** output and insert it here. It should look similar to one below (replace it with **your** log inserted between triple ```): ``` $ youtube-dl -u user@mail.com -p private --verbose -o '~/Videos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s-%(title)s.%(ext)s' https://www.udemy.com/the-complete-web-developer-course-2 [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-u', 'PRIVATE', '-p', 'PRIVATE', '--verbose', '-o', '~/Videos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s-%(title)s.%(ext)s', 'https://www.udemy.com/the-complete-web-developer-course-2'] [debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2016.04.01 [debug] Python version 3.4.3 - Linux-3.16.0-38-generic-x86_64-with-LinuxMint-17.3-rosa [debug] exe versions: avconv 11.3-6, avprobe 11.3-6, ffmpeg N-78590-g5590ab4, ffprobe N-78590-g5590ab4 [debug] Proxy map: {} [udemy:course] Downloading login popup [udemy:course] Logging in as Private [udemy:course] the-complete-web-developer-course-2: Downloading webpage [udemy:course] 764164: Downloading course curriculum [download] Downloading playlist: The Complete Web Developer Course 2.0 [udemy:course] playlist The Complete Web Developer Course 2.0: Collected 289 video ids (downloading 289 of them) [download] Downloading video 1 of 289 [udemy] Downloading login popup [udemy] 4720352: Downloading webpage [udemy] 4720352: Downloading lecture JSON [debug] Invoking downloader on 'https://udemy-assets-on-demand.udemy.com/2016-03-11_11-48-16-private' .....CUT..... [download] Downloading video 6 of 289 [udemy] 4566028: Downloading webpage [udemy] 4566028: Downloading lecture JSON ERROR: Lecture 4566028 is not a video Traceback (most recent call last): File "/usr/local/lib/python3.4/dist-packages/youtube_dl/YoutubeDL.py", line 669, in extract_info ie_result = ie.extract(url) File "/usr/local/lib/python3.4/dist-packages/youtube_dl/extractor/common.py", line 323, in extract return self._real_extract(url) File "/usr/local/lib/python3.4/dist-packages/youtube_dl/extractor/udemy.py", line 199, in _real_extract 'Lecture %s is not a video' % lecture_id, expected=True) youtube_dl.utils.ExtractorError: Lecture 4566028 is not a video ``` Lecture 6 is a html page. Normally those are skipped. Ideally it would be great to save it as a pdf (maby out of the scope of this development.) I remain available for more log information if necessary.

deekerman closed this issue

2026-02-21 03:37:17 -05:00

deekerman commented

2026-02-21 03:37:18 -05:00

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@dstftw commented on GitHub (Apr 2, 2016):

This issue is already fixed and fix will be incorporated in the next version of youtube-dl.

@dstftw commented on GitHub (Apr 2, 2016): This issue is already fixed and fix will be incorporated in the next version of youtube-dl.

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starred/youtube-dl-ytdl-org#7372

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