Make context in data entry flow possible to modify for subclasses (#110561)

* Make context in data entry flow possible to modify for subclasses

* mypy

* Make get_context

* base view

* Review comments

* Remove context from options flow

homeassistant/components/config/config_entries.py

@@ -157,6 +157,12 @@ class ConfigManagerFlowIndexView(FlowManagerIndexView):
                 status=HTTPStatus.BAD_REQUEST,
             )
 
+    def get_context(self, data: dict[str, Any]) -> dict[str, Any]:
+        """Return context."""
+        context = super().get_context(data)
+        context["source"] = config_entries.SOURCE_USER
+        return context
+
     def _prepare_result_json(
         self, result: data_entry_flow.FlowResult
     ) -> data_entry_flow.FlowResult:

homeassistant/helpers/data_entry_flow.py

@@ -8,7 +8,7 @@ from aiohttp import web
 import voluptuous as vol
 import voluptuous_serialize
 
-from homeassistant import config_entries, data_entry_flow
+from homeassistant import data_entry_flow
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.components.http.data_validator import RequestDataValidator
 
@@ -70,10 +70,7 @@ class FlowManagerIndexView(_BaseFlowManagerView):
         try:
             result = await self._flow_mgr.async_init(
                 handler,  # type: ignore[arg-type]
-                context={
+                context=self.get_context(data),
-                    "source": config_entries.SOURCE_USER,
-                    "show_advanced_options": data["show_advanced_options"],
-                },
             )
         except data_entry_flow.UnknownHandler:
             return self.json_message("Invalid handler specified", HTTPStatus.NOT_FOUND)
@@ -86,6 +83,10 @@ class FlowManagerIndexView(_BaseFlowManagerView):
 
         return self.json(result)
 
+    def get_context(self, data: dict[str, Any]) -> dict[str, Any]:
+        """Return context."""
+        return {"show_advanced_options": data["show_advanced_options"]}
+
 
 class FlowManagerResourceView(_BaseFlowManagerView):
     """View to interact with the flow manager."""