Test virtual environment Python version

.github/workflows/tests.yml

@@ -4,12 +4,12 @@ name: tests
 on:
   push:
     branches: [master]
-    paths-ignore: 
+    paths-ignore:
       - "docs/**"
       - "README.md"
   pull_request:
     branches: [master]
-    paths-ignore: 
+    paths-ignore:
       - "docs/**"
       - "README.md"
   schedule:
@@ -24,19 +24,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - uses: astral-sh/setup-uv@v5
         with:
-          python-version: "3.11"
-          cache: "pip"
-          cache-dependency-path: |
+          python-version: "3.13"
+          enable-cache: true
+          cache-dependency-glob: |
             pyproject.toml
             dev-requirements.txt
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          make requirements
+          uv pip install -r dev-requirements.txt
 
       - name: Lint
         run: |
@@ -53,21 +51,26 @@ jobs:
     defaults:
       run:
         shell: bash
+    env:
+      TEST_TARGET_PYTHON_VERSION: 3.13
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
-          allow-prereleases: true
-          cache: "pip"
-          cache-dependency-path: |
+          enable-cache: true
+          cache-dependency-glob: |
             pyproject.toml
             dev-requirements.txt
 
-      - name: Set up Miniconda  
+      - name: Make Python ${{ env.TEST_TARGET_PYTHON_VERSION }} available
+        run:
+          # --preview flag adds installed Python into PATH
+          uv python install $TEST_TARGET_PYTHON_VERSION --preview
+
+      - name: Set up Miniconda
         uses: conda-incubator/setup-miniconda@v3
         with:
           auto-activate-base: true
@@ -96,11 +99,11 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          make requirements
+          uv pip install -r dev-requirements.txt
 
       - name: Check dependencies
         run: |
+          echo $PATH
           if [[ -z "${BASH_EXECUTABLE}" ]]; then
             bash --version
           else
@@ -109,10 +112,14 @@ jobs:
           fi
           which make
           make --version
+          which python
+          python --version
           which conda
           conda --version
           which pipenv
           pipenv --version
+          which uv
+          uv --version
           which virtualenv
           virtualenv --version
 

dev-requirements.txt

@@ -18,3 +18,4 @@ twine
 uv
 virtualenvwrapper; sys_platform != 'win32'
 virtualenvwrapper-win; sys_platform == 'win32'
+vspect

tests/conftest.py

@@ -1,6 +1,6 @@
 import json
+import os
 import shutil
-import sys
 import tempfile
 from contextlib import contextmanager
 from itertools import cycle, product
@@ -25,13 +25,13 @@
 def config_generator(fast=False):
     cookiecutter_json = json.load((CCDS_ROOT / "ccds.json").open("r"))
 
-    # python versions for the created environment; match the root
-    # python version since Pipenv needs to be able to find an executable
-    running_py_version = f"{sys.version_info.major}.{sys.version_info.minor}"
-    py_version = [("python_version_number", v) for v in [running_py_version]]
+    # python version for the environment of the created project
+    # we fix this to specific version, and the test matrix ensures things work
+    # whether or not it matches the current python version running ccds
+    test_target_python_version = os.environ.get("TEST_TARGET_PYTHON_VERSION", "3.13")
 
     configs = product(
-        py_version,
+        [("python_version_number", test_target_python_version)],
         [
             ("environment_manager", opt)
             for opt in cookiecutter_json["environment_manager"]

tests/test_creation.py

@@ -178,6 +178,10 @@ def verify_makefile_commands(root, config):
             f"Environment manager '{config['environment_manager']}' not found in test harnesses."
         )
 
+    env = os.environ.copy()
+    env["EXPECTED_PYTHON_VERSION"] = config["python_version_number"]
+    env["PIPENV_IGNORE_VIRTUALENVS"] = "1"  # pipenv should create its own virtualenv
+
     result = run(
         [
             BASH_EXECUTABLE,
@@ -187,6 +191,7 @@ def verify_makefile_commands(root, config):
         ],
         stderr=PIPE,
         stdout=PIPE,
+        env=env,
     )
 
     stdout_output, stderr_output = _decode_print_stdout_stderr(result)

tests/test_functions.sh

@@ -9,11 +9,20 @@ function run_tests () {
         exit 99
     fi
 
+    # test Python version in created venv should be match configured version
+    CREATED_PYTHON_VERSION=$(python -c "import platform; print(platform.python_version())")
+    if [[ $(vspect parse $CREATED_PYTHON_VERSION "{major_minor_version}") == $EXPECTED_PYTHON_VERSION ]]; then
+        echo "Python version $CREATED_PYTHON_VERSION matches expected $EXPECTED_PYTHON_VERSION"
+    else
+        echo "Python version $CREATED_PYTHON_VERSION does not match $EXPECTED_PYTHON_VERSION"
+        exit 99
+    fi
+
     # test importable
     python -c "import $2"
 
     # test config importable if scaffolded
     if [ -f "$2/config.py" ]; then
         python -c "from $2 import config"
     fi
-}
+}

{{ cookiecutter.repo_name }}/Makefile

@@ -108,7 +108,7 @@ create_environment:
 	{% endif %}
 	@echo ">>> conda env created. Activate with:\nconda activate $(PROJECT_NAME)"
 	{% elif cookiecutter.environment_manager == 'virtualenv' -%}
-	@bash -c "if [ ! -z `which virtualenvwrapper.sh` ]; then source `which virtualenvwrapper.sh`; mkvirtualenv $(PROJECT_NAME) --python=$(PYTHON_INTERPRETER); else mkvirtualenv.bat $(PROJECT_NAME) --python=$(PYTHON_INTERPRETER); fi"
+	@bash -c "if [ ! -z `which virtualenvwrapper.sh` ]; then source `which virtualenvwrapper.sh`; mkvirtualenv $(PROJECT_NAME) --python=$(PYTHON_VERSION); else mkvirtualenv.bat $(PROJECT_NAME) --python=$(PYTHON_VERSION); fi"
 	@echo ">>> New virtualenv created. Activate with:\nworkon $(PROJECT_NAME)"
 	{% elif cookiecutter.environment_manager == 'pipenv' -%}
 	pipenv --python $(PYTHON_VERSION)