Move out code generation from general flow

.github/workflows/release-pypi.yaml

@@ -26,6 +26,12 @@ jobs:
       - name: Show Python version
         run: python --version
 
+      - name: Generate code
+        working-directory: ./python
+        run: |
+          make clean-real
+          make generate-real
+
       - uses: cucumber/[email protected]
         with:
           working-directory: "python"

.github/workflows/test-codegen.yml

@@ -31,11 +31,6 @@ jobs:
         with:
           ruby-version: '3.1'
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.12'
-
       - name: generate code for all languages
         run: |
           make clean-all

.github/workflows/test-python.yml

@@ -67,6 +67,11 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Generate code
+        working-directory: ./python
+        run: |
+          make clean-real
+          make generate-real
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

python/Makefile

@@ -8,7 +8,10 @@ HERE := $(dir $(MKFILE_PATH))
 help: ## Show this help
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make <target>\n\nWhere <target> is one of:\n"} /^[$$()% a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
 
-generate: require install-deps
+generate: ## Stub for the ancestor Makefile
+	echo "Skipping code generation - code is generated by Python"
+
+generate-real: require install-deps
 	datamodel-codegen \
 		--output-model-type "pydantic_v2.BaseModel" \
 		--input $(HERE)../jsonschema/Envelope.json \
@@ -27,7 +30,10 @@ generate: require install-deps
 require: ## Check requirements for the code generation (python is required)
 	@python --version >/dev/null 2>&1 || (echo "ERROR: python is required."; exit 1)
 
-clean: ## Remove automatically generated files and related artifacts
+clean: ## Stub for the ancestor Makefile
+	echo "Skipping code cleanup - code cleanup is done by Python"
+
+clean-real: ## Remove automatically generated files and related artifacts
 	rm -rf $(HERE)src/_messages.py
 
 install-deps: ## Install generation dependencies