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cosmetic Spurrious UnavailableVideoError on stdout pipe output after successful download? #10809
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OK, this isn't fair. It does seem to repro easily enough, and the complicated pipeline is not necessary. A simple output direction is sufficient. Here's the failure on two consecutive runs, first And the reproduction case: And both are successful downloads with the same result: |
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Here's a more manageable test case, with a smaller (44MB) file and modification to print the traceback before the exception gets handled to understand the problem: |
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Fixed by pull request #10876 |
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Add
-vflag 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 ```):Description of your issue, suggested solution and other information
This is a cosmetic problem I was not able to reproduce, and I don't really understand.
Under OS X, I ran:
youtube-dl -v -o - 'http://www.cbs.com/shows/the-late-show-with-stephen-colbert/video/Kj139uP5fQfkmaoQ4tMW2BSq7vPfhmnJ/the-late-show-9-29-2016-morgan-freeman-judith-light-jimmy-eat-world-/' | tee 'The Late Show - 9_29_2016 (Morgan Freeman, Judith Light, Jimmy Eat World)-Kj139uP5fQfkmaoQ4tMW2BSq7vPfhmnJ.mp4' | /Applications/VLC.app/Contents/MacOS/VLC -and after playing the video in realtime (and, I guess, unable to go any faster than realtime because of buffering issues), it threw this traceback:
ERROR: unable to download video Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1791, in download url, force_generic_extractor=self.params.get('force_generic_extractor', False)) File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 705, in extract_info return self.process_ie_result(ie_result, download, extra_info) File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 751, in process_ie_result return self.process_video_result(ie_result, download=download) File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1435, in process_video_result self.process_info(new_info) File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1704, in process_info raise UnavailableVideoError(err) UnavailableVideoError: [Errno 2] No such file or directory: '-'This is super-weird since the command-line parsing at the beginning seems to indicate it was parsed properly, so I assume something about the long ffmpeg run or the pipes ended up confusing it. Though I don't know why that should be.
In any event, the video played fine.
I attempted to reproduce this with some other (shorter) CBS downloader videos and did not succeed.
Since the original test played in realtime and took 40 minutes to run, it's a little inconvenient for me to repeatedly test this.
My conclusion is it's not reproducible, but I'm not entirely sure.
Anyhow, this would certainly be low-priority and cosmetic-only, but perhaps it rings a bell for someone else. I don't see any related bug reports in the issue tracker, so it seemed at least worth filing something.
Thanks.