Enable strict typing in browser (#63760)

* Add setup type hints to browser

* Add browser to script-typing

.strict-typing

@@ -25,6 +25,7 @@ homeassistant.components.bmw_connected_drive.*
 homeassistant.components.bond.*
 homeassistant.components.braviatv.*
 homeassistant.components.brother.*
+homeassistant.components.browser.*
 homeassistant.components.button.*
 homeassistant.components.calendar.*
 homeassistant.components.camera.*

homeassistant/components/browser/__init__.py

@@ -3,6 +3,9 @@ import webbrowser
 
 import voluptuous as vol
 
+from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.helpers.typing import ConfigType
+
 ATTR_URL = "url"
 ATTR_URL_DEFAULT = "https://www.google.com"
 
@@ -18,13 +21,18 @@ SERVICE_BROWSE_URL_SCHEMA = vol.Schema(
 )
 
 
-def setup(hass, config):
+def _browser_url(service: ServiceCall) -> None:
+    """Browse to URL."""
+    webbrowser.open(service.data[ATTR_URL])
+
+
+def setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Listen for browse_url events."""
 
     hass.services.register(
         DOMAIN,
         SERVICE_BROWSE_URL,
-        lambda service: webbrowser.open(service.data[ATTR_URL]),
+        _browser_url,
         schema=SERVICE_BROWSE_URL_SCHEMA,
     )
 

mypy.ini

@@ -286,6 +286,17 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.browser.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.button.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true