[Twitter] Add {num} to file name only if there are multiple media

[the-blank-x]

I am aware of setting extractor.*.filename to an object to use different file names depending on an expression, but I can't find a way to check if a tweet has multiple media or not. I could do it with Reddit and Imgur though, as Reddit sets num to 0 if there's only one media, and Imgur has image_count (or album["image_count"]), which shows how many images there are. Here's my config file where I do it with Reddit and Imgur and try to with Twitter: gdl-config.json.gz

[Hrxn]

Wait...

You can use {num} with Twitter just like with Reddit... how is that not working for you?

[mikf]

He wants to use {num} only if a tweet has more than one file, and I don't think that's possible at the moment. With the currently available metadata for Twitter, there is no way to determine the number of files in a Tweet or whether it contains more than one.

I'll probably just add a count field that contains the total number of files in a Tweet, like it is already done for several other sites.

[Hrxn]

Sounds like a reasonable improvement, something I think I'd use as well..

Buuuut.. based on his description here:

[..] I could do it with Reddit and Imgur though, as Reddit sets num to 0 if there's only one media, [..]

How's that different for what the Twitter extractor is doing right now? Except that maybe num is 1 instead of 0, if there's only one image file in the post?

[mikf]

The difference is that the Twitter extractor always started its enumeration at 1, regardless of the number of files in a Tweet, and changing that now to

• 0 if it is the only file
• 1-n if there is more than one file

would cause all sorts of problems for users that have downloaded files with the "old" filenames. Backwards compatibility and all that.

Adding a new field at least doesn't break any existing setup.

[Hrxn]

True, that wouldn't break anything..