Reenable python venv cache

Author: nateinaction

.github/workflows/ci.yaml

@@ -59,15 +59,15 @@ jobs:
       run: |
         make submodules
 
-    # - name: Cache python venv
-    #   id: cache-python
-    #   uses: actions/cache@v4
-    #   with:
-    #     path: fprime-venv
-    #     key: python-venv-${{ runner.os }}-${{ hashFiles('requirements.txt') }}-v3
-    #     restore-keys: |
-    #       python-venv-${{ runner.os }}-
-    #       python-venv-
+    - name: Cache python venv
+      id: cache-python
+      uses: actions/cache@v4
+      with:
+        path: fprime-venv
+        key: python-venv-${{ runner.os }}-${{ hashFiles('uv.lock') }}-v3
+        restore-keys: |
+          python-venv-${{ runner.os }}-
+          python-venv-
 
     - name: Setup python venv
       if: steps.cache-python.outputs.cache-hit != 'true'

Makefile

@@ -17,7 +17,7 @@ fprime-venv: ## Create a virtual environment
 		@$(MAKE) uv
 		@echo "Creating virtual environment..."
 		@$(UV) venv fprime-venv
-		@$(UV) pip install --requirement requirements.txt
+		@$(UV) pip install --requirement pyproject.toml
 
 .PHONY: zephyr-setup
 zephyr-setup: fprime-venv ## Set up Zephyr environment

pyproject.toml

@@ -0,0 +1,35 @@
+[build-system]
+requires = ["setuptools>=80.9.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "proves-core-reference"
+version = "0.1.0"
+description = "A reference software implementation for the PROVES Kit, integrating F Prime and Zephyr"
+readme = "README.md"
+license = {file = "LICENSE"}
+requires-python = ">=3.13"
+authors = [
+    {name = "Open Source Space Foundation"},
+]
+keywords = ["fprime", "zephyr", "embedded", "aerospace", "flight-software"]
+
+dynamic = ["dependencies"]
+
+[project.urls]
+Homepage = "https://www.opensource.space/"
+Repository = "https://github.com/Open-Source-Space-Foundation/proves-core-reference"
+Documentation = "https://docs.proveskit.space/en/latest/"
+Issues = "https://github.com/Open-Source-Space-Foundation/proves-core-reference/issues"
+
+[tool.setuptools]
+packages = []
+
+[tool.setuptools.dynamic]
+dependencies = {file = [
+    "requirements.txt",
+    "lib/fprime/requirements.txt",
+    "lib/zephyr-workspace/zephyr/scripts/requirements-base.txt",
+    "lib/zephyr-workspace/zephyr/scripts/requirements-build-test.txt",
+    "lib/zephyr-workspace/zephyr/scripts/requirements-run-test.txt",
+]}

requirements.txt

@@ -1,11 +1,2 @@
-# Base on:
-# -r https://raw.githubusercontent.com/nasa/fprime/refs/tags/v4.0.0a1/requirements.txt
--r lib/fprime/requirements.txt
-
 pip
 west
-# Requirements files needed for building Zephyr
-# Zephyr workflow requirements removed due to conflicts with F Prime
--r lib/zephyr-workspace/zephyr/scripts/requirements-base.txt
--r lib/zephyr-workspace/zephyr/scripts/requirements-build-test.txt
--r lib/zephyr-workspace/zephyr/scripts/requirements-run-test.txt