refactor!: use all ruff rules

src/server.py

@@ -1,12 +1,17 @@
+import contextlib
 import http.server
 import logging
-import os
+import pathlib
+import typing
 
-from . import handler, params, project, registry
+from . import handler, project, registry
+
+if typing.TYPE_CHECKING:
+    from . import params
 
 
 class StaplerServer:
-    def __init__(self, params: params.Parameters):
+    def __init__(self, params: params.Parameters) -> None:
         self.logger = logging.getLogger(self.__class__.__name__)
         self.params = params
         self.registry = registry.Registry(params)
@@ -15,18 +20,20 @@ class StaplerServer:
             self.request_handler,
         )
 
-    def request_handler(self, *args) -> http.server.BaseHTTPRequestHandler:
+    def request_handler(self, *args: typing.Any) -> http.server.BaseHTTPRequestHandler:
         return handler.RequestHandler(*args, params=self.params, registry=self.registry)
 
-    def __init_certbot_www(self):
-        os.makedirs(self.params.certbot_www, exist_ok=True)
+    def __init_certbot_www(self) -> None:
+        certbot_www_path = pathlib.Path(self.params.certbot_www)
+        if not certbot_www_path.exists():
+            certbot_www_path.mkdir(parents=True)
 
-    def __startup(self):
+    def __startup(self) -> None:
         self.logger.info("Starting up...")
         self.registry.load_pages()
         self.__init_certbot_www()
 
-    def start(self):
+    def start(self) -> None:
         self.logger.info("Version %s", project.get_version())
         self.__startup()
         self.logger.info(
@@ -38,7 +45,5 @@ class StaplerServer:
             "Server up and ready on http://%s",
             self.params.host,
         )
-        try:
+        with contextlib.suppress(KeyboardInterrupt):
             self.server.serve_forever()
-        except KeyboardInterrupt:
-            pass