Python artifacts download auth issues when building ADK agent example apps

[jacobsimionato]

I'm getting an issue like this:

(cd a2a_agents/python/adk/samples/restaurant_finder/; uv run .)

  × Failed to build `a2ui-restaurant-finder @
  │ file:///Users/jsimionato/development/A2UI/a2a_agents/python/adk/samples/restaurant_finder`
  ├─▶ Failed to resolve requirements from `build-system.requires`
  ├─▶ No solution found when resolving: `hatchling`
  ╰─▶ Because hatchling was not found in the package registry and you require hatchling, we can conclude
      that your requirements are unsatisfiable.

      hint: An index URL (https://us-python.pkg.dev/artifact-foundry-prod/ah-3p-staging-python/simple/)
      could not be queried due to a lack of valid authentication credentials (401 Unauthorized).

To fix it, I had to do some combination of

• Install keyring stuff shown at https://docs.cloud.google.com/artifact-registry/docs/python/authentication e.g.

  uv pip install keyring
  uv pip install keyrings.google-artifactregistry-auth
  

• install gcloud and run glcoud auth login

I'm not sure which of the above were necessary.

We should either update our READMEs to mention this, or somehow make it so that it isn't necessary. Ideally, this code will be as accessible to developers as possible.

[jacobsimionato]

CC @dmandar

[jacobsimionato]

@ava-cassiopeia maybe your #230 will fix this?

I think part of the issue I deleted some uv.lock files locally and regenerated them and they referred to many private repos. But we shouldn't need private repo stuff, right?

[ava-cassiopeia]

We definitely shouldn't need private repo stuff - I was able to get it to load all of the deps from public repos. I'll merge my PR and we may need to update some other lock files too, something I'll look into!

[ava-cassiopeia]

#230 was the result of me trying to get the server up-and-running in a fresh Docker image of Ubuntu (to test that it hermetically[ish] works), so theoretically that should be reproducable.

[sammyaxe]

had to delete uvlock

[realrxen]

had to delete uvlock

thank you bro, it works.

cd a2ui
find . -name "uv.lock" -type f -delete
rm -rf samples/agent/adk/.venv
export GEMINI_API_KEY=xxxx
cd samples/client/lit
npm run demo:all