Disable pylint ignore_missing_annotations in config flow (#125322)

* Disable pylint ignore_missing_annotations in config flow

* Add tests

* Ignore point

homeassistant/components/point/config_flow.py

@@ -25,6 +25,7 @@ _LOGGER = logging.getLogger(__name__)
 
 
 @callback
+# pylint: disable-next=hass-argument-type # see PR 118243
 def register_flow_implementation(hass, domain, client_id, client_secret):
     """Register a flow implementation.
 
@@ -51,6 +52,7 @@ class PointFlowHandler(ConfigFlow, domain=DOMAIN):
         """Initialize flow."""
         self.flow_impl = None
 
+    # pylint: disable-next=hass-return-type # see PR 118243
     async def async_step_import(self, user_input=None):
         """Handle external yaml configuration."""
         if self._async_current_entries():
@@ -86,6 +88,7 @@ class PointFlowHandler(ConfigFlow, domain=DOMAIN):
             data_schema=vol.Schema({vol.Required("flow_impl"): vol.In(list(flows))}),
         )
 
+    # pylint: disable-next=hass-return-type # see PR 118243
     async def async_step_auth(self, user_input=None):
         """Create an entry for auth."""
         if self._async_current_entries():
@@ -125,6 +128,7 @@ class PointFlowHandler(ConfigFlow, domain=DOMAIN):
 
         return point_session.get_authorization_url
 
+    # pylint: disable-next=hass-return-type # see PR 118243
     async def async_step_code(self, code=None):
         """Received code for authentication."""
         if self._async_current_entries():

pylint/plugins/hass_enforce_type_hints.py

@@ -28,6 +28,8 @@ _KNOWN_GENERIC_TYPES: set[str] = {
 }
 _KNOWN_GENERIC_TYPES_TUPLE = tuple(_KNOWN_GENERIC_TYPES)
 
+_FORCE_ANNOTATION_PLATFORMS = ["config_flow"]
+
 
 class _Special(Enum):
     """Sentinel values."""
@@ -3108,6 +3110,7 @@ class HassTypeHintChecker(BaseChecker):
     _class_matchers: list[ClassTypeHintMatch]
     _function_matchers: list[TypeHintMatch]
     _module_node: nodes.Module
+    _module_platform: str | None
     _in_test_module: bool
 
     def visit_module(self, node: nodes.Module) -> None:
@@ -3115,24 +3118,22 @@ class HassTypeHintChecker(BaseChecker):
         self._class_matchers = []
         self._function_matchers = []
         self._module_node = node
+        self._module_platform = _get_module_platform(node.name)
         self._in_test_module = node.name.startswith("tests.")
 
-        if (
+        if self._in_test_module or self._module_platform is None:
-            self._in_test_module
-            or (module_platform := _get_module_platform(node.name)) is None
-        ):
             return
 
-        if module_platform in _PLATFORMS:
+        if self._module_platform in _PLATFORMS:
             self._function_matchers.extend(_FUNCTION_MATCH["__any_platform__"])
 
-        if function_matches := _FUNCTION_MATCH.get(module_platform):
+        if function_matches := _FUNCTION_MATCH.get(self._module_platform):
             self._function_matchers.extend(function_matches)
 
-        if class_matches := _CLASS_MATCH.get(module_platform):
+        if class_matches := _CLASS_MATCH.get(self._module_platform):
             self._class_matchers.extend(class_matches)
 
-        if property_matches := _INHERITANCE_MATCH.get(module_platform):
+        if property_matches := _INHERITANCE_MATCH.get(self._module_platform):
             self._class_matchers.extend(property_matches)
 
         self._class_matchers.reverse()
@@ -3142,7 +3143,12 @@ class HassTypeHintChecker(BaseChecker):
     ) -> bool:
         """Check if we can skip the function validation."""
         return (
-            self.linter.config.ignore_missing_annotations
+            # test modules are excluded from ignore_missing_annotations
+            not self._in_test_module
+            # some modules have checks forced
+            and self._module_platform not in _FORCE_ANNOTATION_PLATFORMS
+            # other modules are only checked ignore_missing_annotations
+            and self.linter.config.ignore_missing_annotations
             and node.returns is None
             and not _has_valid_annotations(annotations)
         )

tests/pylint/test_enforce_type_hints.py

@@ -313,7 +313,9 @@ def test_invalid_config_flow_step(
     linter: UnittestLinter, type_hint_checker: BaseChecker
 ) -> None:
     """Ensure invalid hints are rejected for ConfigFlow step."""
-    class_node, func_node, arg_node = astroid.extract_node(
+    type_hint_checker.linter.config.ignore_missing_annotations = True
+
+    class_node, func_node, arg_node, func_node2 = astroid.extract_node(
         """
     class FlowHandler():
         pass
@@ -329,6 +331,12 @@ def test_invalid_config_flow_step(
             device_config: dict #@
         ):
             pass
+
+        async def async_step_custom( #@
+            self,
+            user_input
+        ):
+            pass
     """,
         "homeassistant.components.pylint_test.config_flow",
     )
@@ -354,6 +362,15 @@ def test_invalid_config_flow_step(
             end_line=11,
             end_col_offset=33,
         ),
+        pylint.testutils.MessageTest(
+            msg_id="hass-return-type",
+            node=func_node2,
+            args=("ConfigFlowResult", "async_step_custom"),
+            line=17,
+            col_offset=4,
+            end_line=17,
+            end_col_offset=31,
+        ),
     ):
         type_hint_checker.visit_classdef(class_node)