dashboard: refactor ping implementation to be more efficient (#6002)

esphome/dashboard/settings.py

@@ -14,7 +14,19 @@ from .util.password import password_hash
 class DashboardSettings:
     """Settings for the dashboard."""
 
+    __slots__ = (
+        "config_dir",
+        "password_hash",
+        "username",
+        "using_password",
+        "on_ha_addon",
+        "cookie_secret",
+        "absolute_config_dir",
+        "verbose",
+    )
+
     def __init__(self) -> None:
+        """Initialize the dashboard settings."""
         self.config_dir: str = ""
         self.password_hash: str = ""
         self.username: str = ""
@@ -22,8 +34,10 @@ class DashboardSettings:
         self.on_ha_addon: bool = False
         self.cookie_secret: str | None = None
         self.absolute_config_dir: Path | None = None
+        self.verbose: bool = False
 
     def parse_args(self, args: Any) -> None:
+        """Parse the arguments."""
         self.on_ha_addon: bool = args.ha_addon
         password = args.password or os.getenv("PASSWORD") or ""
         if not self.on_ha_addon:
@@ -33,6 +47,7 @@ class DashboardSettings:
             self.password_hash = password_hash(password)
         self.config_dir = args.configuration
         self.absolute_config_dir = Path(self.config_dir).resolve()
+        self.verbose = args.verbose
         CORE.config_path = os.path.join(self.config_dir, ".")
 
     @property