Proposal: Add An in-memory data storage backend in Django

[Paolo Melchiorre (paulox)]

Hi all,

there is a package that provide in-memory data storage backend, but it's now abandoned.

Having support for in-memory data storage could be very useful for Django itself and furthermore it would involve adding a small code with tests that do not justify the creation of a fork of that old package.

We are talking about this during the sprints at DjangoCon US 2023 in San Diego with Josh Thomas and Mariusz Felisiak proposed to us to ask here on this list.

What do you think about adding an in-memory data storage backend directly in the Django core?

Ciao,
Paolo

[Adam Johnson]

+1 from me. Using in-memory storage is great for tests.

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[David Sanders]

Hi,

I may be missing some context here but is this something distinctly different from setting SQLite to use in-memory storage [1]? 🤔

[1] https://www.sqlite.org/inmemorydb.html

David

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[Tobias McNulty]

Hi,

I also may be missing some context, but is this the mentioned package? https://github.com/waveaccounting/dj-inmemorystorage

I have not used it, but it looks like a useful tool to have!

Tobias

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[Paolo Melchiorre]

Yes, the package is that one and Josh mentioned it in the related issue

https://code.djangoproject.com/ticket/34110

But that package is unmantained and the feature that it provides can be very useful to have directly in the Django core.

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[Paolo Melchiorre]

Actually we're talking about an in memory data storage backend in addition to the filesystem storage

https://docs.djangoproject.com/en/4.1/ref/files/storage/

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[Jacob Rief]

Big +1 from my side.

(Would indeed help me to write more portable unit tests.)

– Jacob

[Joshua Thomas]

Not to speak for Paulo, but I believe he meant using in-memory storage as a file storage backend, not data/database backend. 

[Paolo Melchiorre]

Yes, exactly.

Paolo

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