I think this is a bit of an "XY" feature request.
Currently, resources must be individual files inside a package. A directory
cannot itself be a "resource". So for example if you have a directory structure
like this:
my_great_app/
__init__.py
something.py
data/
assets/
images/
a.png
a.png
c.png
Each of data/ assets/ and images/ must also be a package, with its own
__init__.py file. You cannot access the resource data/assets/images/a.png in
the package my_great_app, you must access the resource a.png in the package
my_great_app.data.assets.images. This is (in my opinion) unintuitive, easy to
forget, and moderately annoying.
So I think the feature request here is that Python start allowing directories
as "resources", rather than just single files within a package. Alternatively,
if for some reason directories cannot themselves be resources, allowing file
resources in subdirectories (without creating a new subpackage) would also be a
nice ergonomic improvement.
I'm not sure if this poses issues for package resolution, namespace packages,
etc. I imagine that this somewhat-obvious feature was omitted for a good reason.
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