tool.uv.pip.index-url not working

[sunfkny]

Steps to Reproduce:

1. Create a pyproject.toml file with the following content:

   [project]
   name = "app"
   version = "0.1.0"
   dependencies = [
       "urllib3",
   ]
   
   [tool.uv]
   package = false
   
   [tool.uv.pip]
   index-url = "https://test.pypi.org/simple"

2. Run the following command:

   ~/app# uv sync --no-cache --upgrade --verbose 2>&1 | grep simple

3. Observe the output.

Expected Behavior:

The output should indicate that uv is using the specified index-url (https://test.pypi.org/simple) to fetch packages.

Actual Behavior:

The output shows that uv is still attempting to access the default PyPI repository:

DEBUG No cache entry for: https://pypi.org/simple/urllib3/

Environment:

uv Platform: Ubuntu 24.04 LTS on WSL2
uv Version: uv 0.4.0

[oriori1703]

If I understand correctly, [tool.uv.pip] only applies to the uv pip subcommand.
For uv sync, you should use [tool.uv]

[sunfkny]

If I understand correctly, [tool.uv.pip] only applies to the uv pip subcommand. For uv sync, you should use [tool.uv]

Thanks for pointing this out! It works for me.

However, it seems the current documentation on configuration files (Configuration Files) might be a bit misleading. The documentation starts by showing how to configure [tool.uv.pip], while the difference between [tool.uv] and [tool.uv.pip] is only mentioned at the very bottom of the page

[charliermarsh]

@sunfkny -- That's a good call, we should change it.