Add mypy dependency to pyproject.toml if selected (#129)

Author: coretl

template/pyproject.toml.jinja

@@ -23,12 +23,13 @@ requires-python = ">=3.7"
 [project.optional-dependencies]
 dev = [
     "copier",
-    {% if sphinx %}"myst-parser",
+    {% if type_checker=="mypy" %}"mypy",
+    {% endif %}{% if sphinx %}"myst-parser",
     {% endif %}"pipdeptree",
     "pre-commit",
     {% if sphinx %}"pydata-sphinx-theme>=0.12",
-    {% endif %}"pyright",
-    "pytest",
+    {% endif %}{% if type_checker=="pyright" %}"pyright",
+    {% endif %}"pytest",
     "pytest-cov",
     "ruff",
     {% if sphinx %}"sphinx-autobuild",

tests/test_example.py

@@ -55,6 +55,12 @@ def test_template(tmp_path: Path):
     run("./venv/bin/twine check --strict dist/*")
 
 
+def test_template_mypy(tmp_path: Path):
+    copy_project(tmp_path, type_checker="mypy")
+    run = make_venv(tmp_path)
+    run("./venv/bin/tox -p")
+
+
 def test_template_no_docs(tmp_path: Path):
     copy_project(tmp_path, docs_type="README")
     run = make_venv(tmp_path)