Migrate example

[semohr]

Adds migration example to migrate all playlists from tidal to sportify or spotify to tidal.

While working on this example I noticed we desperately need #35 for this example to be usable. Currently each track insert is a single request which is fine for small update but when running on more than a few playlist we get into a rate limits really quickly. And an update which should be quick takes forever.

I would say we prioritize #35 and finish the example afterwards.

[github-actions]

Thank you for the PR! The changelog has not been updated, so here is a friendly reminder to check if you need to add an entry.

[pSpitzner]

That makes sense. Is this something we want before turning repo public?

This means we can almost merge #46 🤩
Last missing piece: "Tests are failing because of the get_playlist(name=...) inconsistency (None vs Raise) I think. Lets decide this and then fix it for all services."

[semohr]

That makes sense. Is this something we want before turning repo public?

I guess, I have already implemented the hard parts ;) #61

Last missing piece: "Tests are failing because of the get_playlist(name=...) inconsistency (None vs Raise) I think. Lets decide this and then fix it for all services."

I think we decided this already, add a get_or_raise method and adjust the other methods to not raise. Or is there something Im missing?

[pSpitzner]

I guess, I have already implemented the hard parts ;) #61

lol.

---

Fair enough, ill take care of the get_or_raise PR then.
I like this as a general pattern (Im quite sure there are other lookups besides playlists/track ids that we dont have in scope right now)

got some hours on the train in the afternoon.

[codecov]

Codecov Report

❌ Patch coverage is 44.44444% with 5 lines in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
plistsync/services/spotify/api.py	0.00%	5 Missing ⚠️

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