Use uv to manage conflicting django versions for tests

Author: delfick

pyproject.toml

@@ -13,14 +13,6 @@ authors = [
 ]
 requires-python = ">=3.10"
 
-[tool.uv]
-dev-dependencies = [
-    "tools",
-    "djangoexample",
-    "proper_plugin",
-    "extended_mypy_django_plugin_test_driver",
-]
-
 [tool.hatch.metadata]
 allow-direct-references = true
 
@@ -41,6 +33,14 @@ extended_mypy_django_plugin_test_driver = { workspace = true }
 [tool.uv.workspace]
 members = ["tools", "example", "scripts/test_helpers", "scripts/proper_plugin"]
 
+[dependency-groups]
+dev = [
+    "tools",
+    "djangoexample",
+    "proper_plugin",
+    "extended_mypy_django_plugin_test_driver",
+]
+
 [tool.ruff]
 target-version = "py310"
 line-length = 99

tests/conftest.py

@@ -1 +1,9 @@
+import importlib
+
+import pytest
+
 pytest_plugins = ["pytest_typing_runner", "extended_mypy_django_plugin_test_driver.plugin"]
+
+
+def pytest_report_header(config: pytest.Config) -> list[str] | None:
+    return [f"Django: {importlib.metadata.version('django')}"]

tools/pyproject.toml

@@ -6,7 +6,6 @@ dependencies = [
     "click>=8.1.7",
     "ruff==0.5.0",
     "remote-pdb==2.1.0",
-    "django-stubs==5.1.1",
     "mypy==1.13.0"
 ]
 
@@ -17,3 +16,19 @@ docs = [
     "sphinx-toolbox==3.8.0",
     "sphinx==8.0.2",
 ]
+old-django = [
+    "django-stubs==5.1.1",
+    "django==4.2.16"
+]
+new-django = [
+    "django-stubs==5.1.1",
+    "django==5.1.3"
+]
+
+[tool.uv]
+conflicts = [
+    [
+      { extra = "old-django" },
+      { extra = "new-django" },
+    ],
+]

tools/run.py

@@ -11,15 +11,9 @@
 
 def run(*args: str, old: bool) -> None:
     if old:
-        withs = [
-            "--with",
-            "django==4.2.16",
-        ]
+        withs = ["--package", "tools", "--extra", "old-django"]
     else:
-        withs = [
-            "--with",
-            "django==5.1.3",
-        ]
+        withs = ["--package", "tools", "--extra", "new-django"]
 
     try:
         subprocess.run(["/bin/bash", str(here / "uv"), "run", *withs, *args], check=True)
@@ -134,8 +128,16 @@ def types(args: list[str], old: bool) -> None:
     run("python", "-m", "mypy", *locations, *args, "--enable-incomplete-feature=Unpack", old=old)
 
     if not specified:
-        os.chdir(here.parent / "example")
-        run("python", "-m", "mypy", ".", *args, old=old)
+        run(
+            "python",
+            "-m",
+            "mypy",
+            str(here.parent / "example"),
+            "--config-file",
+            str(here.parent / "example" / "mypy.ini"),
+            *args,
+            old=old,
+        )
 
 
 @cli.command(context_settings=dict(ignore_unknown_options=True))