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---
name: python-gen-tarball
description: Rebuild the Python generator distribution after source or bundled scripts/pip-config.sh changes.
---
# python-gen-tarball
The tarball is the distribution unit. Local edits run against the venv, so
tests pass — but Hermit-bootstrapped environments and CI extract the
committed `proto-python-gen-<version>.tar.gz` and keep using the old code
until it's rebuilt. This is a quiet failure mode that's easy to miss.
## What to do
1. Decide whether to bump `version` in `packages/proto-python-gen/justfile`:
- Behavior change or new feature → bump.
- Pure refactor → optional. Ask if unclear.
2. Build:
```
cd packages/proto-python-gen && just package
```
Produces `proto-python-gen-<version>.tar.gz`.
3. Stage the tarball alongside the source change. A source-only commit will
fail to bootstrap fresh environments.
4. If the version was bumped, search for hard-coded references and update:
```
rg "proto-python-gen-[0-9]" -g '!*.tar.gz'
```
## What to avoid
- `just gen` does not rebuild this tarball. Only `just package` inside
`packages/proto-python-gen/` does.
