Interest in some changes I made to support AWS Lambda about shreddit HOT 8 CLOSED

Nicely done @scott-hand! I'd actually meant to give it an overhaul for a while, which included modularising it amongst a code tidy up and I absolutely love the idea behind that, running it through Lambda while perhaps not newbie friendly is definitely a great option for those without a Linux VPS somewhere.

One thing I would like to maintain is backwards compatibility though, I don't want to break my own and other peoples' cron jobs. So a shreddit.py that utilises the module would completely suffice.

That and some testing and I'm more than happy to merge a PR. Good work!

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Awesome. The "shreddit" script that is installed with setup.py is 100% compatible with shreddit.py, that was one of my primary goals. A shreddit.py that calls it wouldn't be too hard to put together. Your oauth check script is in there as well, with the "-t" or "--test-oauth" option.

And yeah Lambda can be a pain. I have thought about creating a very detailed guide on how to set it up, as there are quite a few steps to getting Lambda running. Another big obstacle is how much of a pain in the ass the OAuth refresh token is to get when you're not running it on your desktop computer. I might look into that as well.

Finally, I noticed that when I was deleting one of my relatively big (100s of comments) accounts, it would randomly stop and I'd have to relaunch shreddit.py. I'll look into that and come up with either a PR or a detailed issue about it.

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I hear you, the OAuth is pretty much just a nightmare, I've had to answer a lot of questions on how it works and how to use it. And I don't blame people at all, it's a pain in the ass.

I noticed that issue years ago, it seems to be something to do with how Reddit caches comments. Usually if you have more than 1000 in your comment history you can't browse back past that stage. But if you delete up to 1000 and wait a while maybe when Reddit re-indexes your comment history you can browse it again? It only happened with my original Reddit account though, now I've had Shreddit running hourly for years and I only have 10-20 comments to deal with! I couldn't find a reliable way to delete all the comments from accounts with thousands of comments at the time and my best advice was to wait… Let me know if you find a working solution!

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It seemed like it was every 50 - 100 comments, as it would stop after a minute or two and I'd immediately start it back up again. I have another one to shred with a bunch of comments so I'll do some debugging.

One thing I noticed as I'm debugging is that there was some confusion about the comment timestamp timezone ("Seems to be in users's timezone. Unclear."). This has burned me before. The timestamp itself is indeed UTC, but datetime.fromtimestamp() oh-so-helpfully adjusts epoch timestamps into your current system's timezone. Wonderful, right? I'll just swap it out with some arrow code, as it's super clear and easy to work with regarding timestamps.

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Scratch that, on trying it a bit on my other account, it does indeed seem like it was the 1000 comment limit. Man I comment too much. I'll spend a bit more time checking that it works like it should (testing out the whitelists and whatnot) and then PR it.

I'm being reminded of how much I hate PRAW. Their global config object is obnoxious and I have to mutate it to get around their (as far as I can tell) refusal to allow the praw.ini filename to be specified programmatically. They even call del on the function that generates it so I can't monkeypatch it. The documentation is basically just reading docstrings as well.

Finally, testing the whitelists makes me think it might be worth the time to throw together a package that generates stub data for PRAW, which would, if the PRAW dependencies were injected appropriately, allow easy testing of whitelists and the like. I don't think it's worth the time to stub out everything, but just Comment and Submission ones would be good for this.

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How're your updates going @scott-hand? I was recently thinking about giving it the once over that I believe you were working on, packaging it up and so on.

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I'll try to get it documented and submit a PR this week. It stalled out a bit because I'm still having issues with it just giving up and silently quitting when having to handle lots of comments. I'll get it documented enough to use and then we can look into PRAW's mysterious quitting issue. The monologue-bot repo I made should help us out with that a bit.

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@x89

PR created. I just tested a clean installation with pip on Windows and it works well. Some of the to do items are mentioned in the PR, but I'll add that making a guide on free AWS Lambda is also something I'll plan to do. I would also like to make a command to auto-generate a new config from a scaffold like my monologue-bot does here.

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