`scipy._lib._ccallback:LowLevelCallable.from_cython`

Summary

Create a low-level callback function from an exported Cython function.

module : module: Cython module where the exported function resides
name : str: Name of the exported function
user_data : {PyCapsule, ctypes void pointer, cffi void pointer}, optional: User data to pass on to the callback function.
signature : str, optional: Signature of the function. If omitted, determined from function.