maybe_signature

Ensure obj is a signature, or None.

def maybe_signature(
    d: Optional[Union[abstract.CallableSignature, Mapping]],
    app: celery.Celery,
    clone: bool
) - > Optional[abstract.CallableSignature]

Ensure obj is a signature, or None.

Parameters

Name	Type	Description
d	Optional[Union[abstract.CallableSignature, Mapping]]	The signature object or dictionary-serialized signature to be converted or validated.
app	celery.Celery	The Celery application instance to bind the signature to.
clone	bool	If enabled, creates a copy of the signature if the input 'd' is already a signature object.

Returns

Type	Description
Optional[abstract.CallableSignature]	The resulting signature object bound to the app, or None if the input was None.