Add CI

src/knowledge_search_mcp/config.py

@@ -1,7 +1,14 @@
+"""Configuration management for the MCP server."""
+
+import argparse
 import os
 import sys
-import argparse
-from pydantic_settings import BaseSettings, PydanticBaseSettingsSource, YamlConfigSettingsSource
+
+from pydantic_settings import (
+    BaseSettings,
+    PydanticBaseSettingsSource,
+    YamlConfigSettingsSource,
+)
 
 
 def _parse_args() -> argparse.Namespace:
@@ -14,7 +21,7 @@ def _parse_args() -> argparse.Namespace:
         parser = argparse.ArgumentParser()
         return argparse.Namespace(
             transport="stdio",
-            host="0.0.0.0",
+            host="0.0.0.0",  # noqa: S104
             port=8080,
             config=os.environ.get("CONFIG_FILE", "config.yaml"),
         )
@@ -25,7 +32,7 @@ def _parse_args() -> argparse.Namespace:
         choices=["stdio", "sse", "streamable-http"],
         default="stdio",
     )
-    parser.add_argument("--host", default="0.0.0.0")
+    parser.add_argument("--host", default="0.0.0.0")  # noqa: S104
     parser.add_argument("--port", type=int, default=8080)
     parser.add_argument(
         "--config",
@@ -36,6 +43,7 @@ def _parse_args() -> argparse.Namespace:
 
 _args = _parse_args()
 
+
 class Settings(BaseSettings):
     """Server configuration populated from env vars and a YAML config file."""
 
@@ -63,6 +71,7 @@ class Settings(BaseSettings):
         dotenv_settings: PydanticBaseSettingsSource,
         file_secret_settings: PydanticBaseSettingsSource,
     ) -> tuple[PydanticBaseSettingsSource, ...]:
+        """Customize the order of settings sources to include YAML config."""
         return (
             init_settings,
             env_settings,
@@ -78,7 +87,7 @@ _cfg: Settings | None = None
 
 def get_config() -> Settings:
     """Get or create the singleton Settings instance."""
-    global _cfg
+    global _cfg  # noqa: PLW0603
     if _cfg is None:
         _cfg = Settings.model_validate({})
     return _cfg
@@ -88,8 +97,8 @@ def get_config() -> Settings:
 class _ConfigProxy:
     """Proxy object that lazily loads config on attribute access."""
 
-    def __getattr__(self, name: str):
+    def __getattr__(self, name: str) -> object:
         return getattr(get_config(), name)
 
 
-cfg = _ConfigProxy()  # type: ignore[assignment]
+cfg = _ConfigProxy()