Include filenames in error logs

[panhartstuff]

Is there a way to include filenames in error logs such that it looks something like this

[downloader.http][warning][k3_spaceybear-772534025424474113-20160904_203719-p1.jpg] '404 Not Found' for 'https://pbs.twimg.com/media/CriXYFKUAAApwh-.jpg:orig'
[download][info][k3_spaceybear-772534025424474113-20160904_203719-p1.jpg] Trying fallback URL #1

The default currently looks like this:

[downloader.http][warning] '404 Not Found' for 'https://pbs.twimg.com/media/CriXYFKUAAApwh-.jpg:orig'
[download][info] Trying fallback URL #1

I tried a bunch of configuration, but I can't get it to work.

[mikf]

For extractor logging messages, you can access the current job and extractor objects and use their attributes including filenames, but currently not in downloader messages (easy enough to fix, though).

The potential problem here is that there might be no filename available at that point in time, either for videos downloaded through youtube-dl or when the filename extension couldn't be determined yet. Hence, there is no general solution to this issue.

You should've also gotten a logging message after all the downloader failures which does include the filename

[download][error] Failed to download k3_spaceybear-772534025424474113-20160904_203719-p1.jpg

[panhartstuff]

I see, makes sense.

It's just that sometimes there are cases where the downloader times out and it resorts to using a lower quality image (in the case of Twitter) when it doesn't need to.
In that situation, the download does "succeeds", so the filename doesn't get written into the logfile.
Since I use the logfile to check which file I should redownload, it makes it difficult to see which ID the error happens on.

But I guess I could just increase the timeout limit for now.