Add demo to strict-typing (#77596)

* Add demo to strict-typing

* Adjust component

* Adjust PR

* Update homeassistant/components/demo/mailbox.py

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>

.strict-typing

@@ -81,6 +81,7 @@ homeassistant.components.cpuspeed.*
 homeassistant.components.deconz.*
 homeassistant.components.device_automation.*
 homeassistant.components.device_tracker.*
+homeassistant.components.demo.*
 homeassistant.components.devolo_home_control.*
 homeassistant.components.devolo_home_network.*
 homeassistant.components.dhcp.*

homeassistant/components/demo/alarm_control_panel.py

@@ -31,7 +31,7 @@ async def async_setup_platform(
     """Set up the Demo alarm control panel platform."""
     async_add_entities(
         [
-            ManualAlarm(
+            ManualAlarm(  # type:ignore[no-untyped-call]
                 hass,
                 "Security",
                 "1234",

homeassistant/components/demo/mailbox.py

@@ -76,7 +76,7 @@ class DemoMailbox(Mailbox):
         """Return a list of the current messages."""
         return sorted(
             self._messages.values(),
-            key=lambda item: item["info"]["origtime"],
+            key=lambda item: item["info"]["origtime"],  # type: ignore[no-any-return]
             reverse=True,
         )
 

mypy.ini

@@ -569,6 +569,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.demo.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.devolo_home_control.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true