How to find link to video file from URL

[snippsat]

It seems that ARTE once again changed the format of their pages.

No it's still working using the mod in post #12
Don't know it they have updated that new pull requests of arte.py into the new version of yt-dlp
You most update(which mean install a new version of Python) Python 3.6 many libraries has or will be dropping support for Python 3.6.

(arte_env) G:\1_youtube\arte_env
λ yt-dlp https://www.arte.tv/en/videos/104840-002-A/42-the-answer-to-almost-everything/
[ArteTV] 104840-002-A: Downloading JSON metadata
[ArteTV] 104840-002-A: Downloading m3u8 information
[ArteTV] 104840-002-A: Downloading m3u8 information
[ArteTV] 104840-002-A: Downloading m3u8 information
[ArteTV] 104840-002-A: Downloading m3u8 information
[ArteTV] 104840-002-A: Downloading m3u8 information
[info] 104840-002-A: Downloading 1 format(s): VOEU-STE_ANG_-2328+VOEU-STE_ANG_-program_audio_0-VOEU
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 279
[download] Destination: 42 - The Answer to Almost Everything [104840-002-A].fVOEU-STE_ANG_-2328.mp4
[download] 100% of 875.95MiB in 03:59
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 279
[download] Destination: 42 - The Answer to Almost Everything [104840-002-A].fVOEU-STE_ANG_-program_audio_0-VOEU.mp4
[download] 100% of 51.99MiB in 01:19
[Merger] Merging formats into "42 - The Answer to Almost Everything [104840-002-A].mp4"
Deleting original file 42 - The Answer to Almost Everything [104840-002-A].fVOEU-STE_ANG_-program_audio_0-VOEU.mp4 (pass -k to keep)
Deleting original file 42 - The Answer to Almost Everything [104840-002-A].fVOEU-STE_ANG_-2328.mp4 (pass -k to keep)