Adds rudimentary video support

[mennoliefstingh]

Pull request type

• 🪳 Bugfix
• 👮🏻‍♂️ Security/dependency update
• ✨ Feature (e.g., new script)
• 📝 Code style update (formatting, renaming)
• 🏗️ Refactoring (no functional changes, no API changes)
• 🔨 Build related changes (build scripts, build configs, etc.)
• 📘 Documentation

Pull request description

Adds video support to the Thijstool in a very rudimentary way by manually recreating the URL from the episode ID and placing that in the description. Adds three new env vars:

• ENABLE_VIDEO enables this (pre-alpha) functionality
• ENABLE_VIDEO_CHECK enables functionality that makes a get request to the video url, only adding/marking if a video exists there
• VIDEO_TITLE_SUFFIX is a suffix that's added to podcast titles iff ENABLE_VIDEO and ENABLE_VIDEO_CHECK and the video URL refers to an actual video.

[dylanvdbrink]

Is something blocking this PR to go through? Would really like to use this as well!

[izu-x]

Tested this locally and it works great. Found two issues and fixed them:

1. Missing branch when VIDEO_ENABLED=true and VIDEO_CHECK_ENABLED=false

The original code only sets title and description inside the VIDEO_CHECK_ENABLED block. When checking is disabled, those fields never get set and the feed entry ends up empty.

Fix: add an else that sets the URL (unverified) in the description without the title suffix, since we have no confirmation video exists.

2. video_exists_at_url blocks the event loop

The function used requests.get (sync) inside an async context. Under load this stalls all concurrent episode fetches.

Fix: convert to async def using aiohttp with a 10s timeout, same session library already used elsewhere in the codebase. Also drops the requests import which is now unused.

Diff is straightforward, happy to open a PR against this branch if useful.

[mennoliefstingh]

@dylanvdbrink I'd been testing this for a while and found it good-enough but not great as it sometimes doesn't detect correctly.

@izu-x I would appreciate a PR against this branch! I think I have @ThijsRay's contact info somewhere (if he doesn't see this tag) so we could (re-)consider adding video support if it does end up being stable.