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Authenticate Twine to Google Artifact Registry

Why

If you work at a company that uses python, there is a high chance that you need to store python packages in a private registry

How

In order to authenticate to GAR with Twine, we need to do the below

Install Keyring

pip3 install keyring

pip install keyring

Install the Artifact Registry Backend

pip3 install keyrings.google-artifactregistry-auth

pip install keyrings.google-artifactregistry-auth

Get the config for your repo

gcloud artifacts print-settings python \
    --project=<your project goes here> \
    --repository=<repository name goes here> \
    --location=<location goes here>

Which will give you something like the below

# Insert the following snippet into your .pypirc

[distutils]
index-servers =
    python-packages

[python-packages]
repository: https://europe-west2-python.pkg.dev/<project>/<repo>/

# Insert the following snippet into your pip.conf

[global]
extra-index-url = https://europe-west2-python.pkg.dev/<project>/<repo>/simple/

Setup your files

The next steps will have you editing files

.pypric

[distutils]
index-servers =
    < repo name>

[PYTHON-REPO-ID]
repository = https://europe-west2-python.pkg.dev/<project>/<repo>

Pip config

There are multiple locations for this file

You should run pip config debug and note the files that exist

Tip: look for exists: True

Using the file that exists, or the one you use, insert the below in to it

global]
extra-index-url = https://europe-west2-python.pkg.dev/<project>/<repo>/simple/

Gcloud auth for good measures

gcloud auth login
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