add_non_field_param_to_dependency

Assigns a parameter name to a specific attribute of a Dependant object based on whether the type annotation matches known system types like Request, WebSocket, or Response. Returns True if a match is found and the state is updated, otherwise returns None.

def add_non_field_param_to_dependency(
    param_name: str,
    type_annotation: Any,
    dependant: Dependant
) - > bool | null

Assigns a parameter name to a specific attribute on a Dependant object based on its type annotation. This is used to map special request-related types like Request, Response, or BackgroundTasks to the correct internal dependency handler.

Parameters

Name	Type	Description
param_name	str	The name of the parameter as defined in the function signature.
type_annotation	Any	The type hint or class used to determine which specific dependency attribute should be populated.
dependant	Dependant	The dependency model object that will store the mapping for later injection.

Returns

Type	Description
`bool	null`