Installing an extra pip package for copier

[wwuck]

How are you running Renovate?

Self-hosted Renovate

If you're self-hosting Renovate, tell us which platform (GitHub, GitLab, etc) and which version of Renovate.

gitlab renovate/renovate:39.176.3

Please tell us more about your question or problem

I am attempting to use the copier manager and I am having trouble trying to use it with jinja extensions. Copier supports loading jinja extensions and my copier template uses extensions provided by the cookiecutter python package.

I have a custom renovate docker image where I run RUN install-tool python 3.12.9 and RUN install-pip cookiecutter 2.6.0 but I'm guessing because of binarySource=install, the cookiecutter ends up in a different python virtual environment from the copier install location.

With install-tool copier 9.5.0, copier gets installed into /opt/containerbase/tools/copier/9.5.0/3.12.9/.
install-pip cookiecutter 2.6.0 installs cookiecutter into /opt/containerbase/tools/cookiecutter/2.6.0/3.12.9/.

How can I get cookiecutter installed into the same python environment as copier?

Logs (if relevant)

Logs

Replace this text with your logs, between the starting and ending triple backticks

[rarkins]

It looks like copier installs for containerbase already have some custom logic related to jinja here: https://github.com/containerbase/base/blob/a61d520d293dc67d3f168ef7bf5361d7b4cfb083/src/cli/tools/python/utils.ts#L204-L206