module_name_to_pypi_name to support matching modules like "azure.identity" or "azure.storage.blob"

[ahjulstad]

Description

It would be great if marimo could determine the pypi package to be installed for the various azure packages that use a "azure.xxx" type of module name. As of now, it seems to only support looking at the part before the first dot. In the current version it tries to download "azure-storage" (which is currently deprecated, btw).

Suggested solution

Enable the specification of heuristics like: (in marimo/_runtime/packages/module_name_to_pypi_name.py)

        "azure.identity": "azure-identity",
        "azure.storage.blob": "azure-storage-blob",

Alternative

No response

Additional context

Of course, one could argue that this does not belong in marimo, but it is a really useful feature to have.

[mscolnick]

We can add this. You are right we don't currently support the full import, but rather just the top-level namespace. We should expand this and fallback some known nested package names.

Is this something you'd be interested in helping with? Otherwise maybe something we can get to in the next couple weeks.

I think the heuristic could be:

1. Look for namespace in the module_name_to_pypi_name
2. Look for nested import in another mapping
3. Fallback to the default, which is just: module.replace("_", "-")

[ahjulstad]

When I looked at it (before filing is), I was not able to figure out how to get access to the complete module name, it seems it is trimmed away in an earlier. Without detailed guidance I wouldn’t be able to do this, I am afraid.

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