Add Silk middleware and related settings for performance monitoring

- Introduced SILK_ENABLED setting to toggle Silk middleware.
- Updated ALLOWED_HOSTS to include "testserver" when not in DEBUG mode.
- Modified urlpatterns to conditionally include Silk URLs.
- Added django-silk dependency to pyproject.toml.
- Enhanced feed queries to optimize performance and reduce N+1 issues.
- Updated tests to verify query limits for various feeds.

config/settings.py

@@ -39,6 +39,7 @@ def env_int(key: str, default: int) -> int:
 
 
 DEBUG: bool = env_bool(key="DEBUG", default=True)
+RUNNING_TESTS: bool = "PYTEST_VERSION" in os.environ or any("pytest" in arg for arg in sys.argv)
 
 
 def get_data_dir() -> Path:
@@ -110,7 +111,7 @@ INTERNAL_IPS: list[str] = []
 if DEBUG:
     INTERNAL_IPS = ["127.0.0.1", "localhost"]  # pyright: ignore[reportConstantRedefinition]
 
-ALLOWED_HOSTS: list[str] = [".localhost", "127.0.0.1", "[::1]"]
+ALLOWED_HOSTS: list[str] = [".localhost", "127.0.0.1", "[::1]", "testserver"]
 if not DEBUG:
     ALLOWED_HOSTS = ["ttvdrops.lovinator.space"]  # pyright: ignore[reportConstantRedefinition]
 
@@ -141,10 +142,12 @@ INSTALLED_APPS: list[str] = [
     "django.contrib.contenttypes",
     "django.contrib.staticfiles",
     "twitch.apps.TwitchConfig",
+    *(["silk"] if not RUNNING_TESTS else []),
 ]
 
 MIDDLEWARE: list[str] = [
     "django.middleware.security.SecurityMiddleware",
+    *(["silk.middleware.SilkyMiddleware"] if not RUNNING_TESTS else []),
     "django.contrib.sessions.middleware.SessionMiddleware",
     "django.middleware.common.CommonMiddleware",
     "django.middleware.csrf.CsrfViewMiddleware",

config/tests/test_settings.py

@@ -114,7 +114,7 @@ def test_allowed_hosts_when_debug_true(reload_settings_module: Callable[..., Mod
     reloaded: ModuleType = reload_settings_module(DEBUG="1")
 
     assert reloaded.DEBUG is True
-    assert reloaded.ALLOWED_HOSTS == [".localhost", "127.0.0.1", "[::1]"]
+    assert reloaded.ALLOWED_HOSTS == [".localhost", "127.0.0.1", "[::1]", "testserver"]
 
 
 def test_debug_defaults_true_when_missing(reload_settings_module: Callable[..., ModuleType]) -> None:

config/urls.py

@@ -11,10 +11,13 @@ if TYPE_CHECKING:
     from django.urls.resolvers import URLPattern
     from django.urls.resolvers import URLResolver
 
-urlpatterns: list[URLResolver] | list[URLPattern | URLResolver] = [  # type: ignore[assignment]
+urlpatterns: [URLPattern | URLResolver] = [  # type: ignore[assignment]
     path(route="", view=include("twitch.urls", namespace="twitch")),
 ]
 
+if getattr(settings, "ENABLE_SILK", False):
+    urlpatterns += [path("silk/", include("silk.urls", namespace="silk"))]
+
 # Serve media in development
 if settings.DEBUG:
     urlpatterns += static(