commit f0712b6e1be4242fb7f0489676168b1eff01de6c
author Anthony DiGirolamo <tonymd@google.com> Wed Jul 12 20:16:17 2023 +0000
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> Wed Jul 12 20:16:17 2023 +0000
tree ad1747d76e30a1dc1bb71d01b1129fefba430a28
parent 54e90fb786661c6de623d238a8544363e771cee2

pw_build: Compile requirements for Python venvs

This change introduces a pip-tools workflow for compiling Python
package requirements and constraints for a pw_python_venv. This
produces a single requirements.txt file for installing all necessary
dependencies.

Using pip-tools enables a few additional features added in this CL:

- Adding hashes to the requirements.txt for package verification.
- A new optional GN subtarget for pw_python_venvs to download Python
  packages locally.
- The pw_python_zip_with_setup template now takes a venv option and
  will include third party python packages in the zip output. This
  allows for fully offline installs of distributable bundles.

Bug: b/287302102
Bug: b/240701682
Requires: pigweed-internal:48148
Change-Id: Iea26dc843d22ba5502c6c2998390cf1f7f8d2439
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/152071
Reviewed-by: Taylor Cramer <cramertj@google.com>
Commit-Queue: Anthony DiGirolamo <tonymd@google.com>