codegen: Fix function pointer mypy errors

typeshed was missing the no-arguments constructor for `_ctypes.CFuncPtr`
until very recently.
python/typeshed#10154

generated\nidaqmx\_library_interpreter.py:4414: error: All overload variants of "_FuncPointer" require at least one argument  [call-overload]
generated\nidaqmx\_library_interpreter.py:4414: note: Possible overload variants:
generated\nidaqmx\_library_interpreter.py:4414: note:     def _FuncPointer(self, address: int) -> _FuncPointer
generated\nidaqmx\_library_interpreter.py:4414: note:     def _FuncPointer(self, callable: Callable[..., Any]) -> _FuncPointer
generated\nidaqmx\_library_interpreter.py:4414: note:     def _FuncPointer(self, func_spec: Tuple[Union[str, int], CDLL], paramflags: Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ...) -> _FuncPointer
generated\nidaqmx\_library_interpreter.py:4414: note:     def _FuncPointer(self, vtlb_index: int, name: str, paramflags: Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., iid: _Pointer[c_int] = ...) -> _FuncPointer

Signed-off-by: Brad Keryan <[email protected]>

Author: bkeryan

generated/nidaqmx/_library_interpreter.py

@@ -5483,7 +5483,7 @@ def unregister_done_event(self, task):
                         ctypes.POINTER(ctypes.c_void_p)]
 
         options = 0
-        callback_method_ptr = DAQmxDoneEventCallbackPtr()
+        callback_method_ptr = DAQmxDoneEventCallbackPtr()  # type: ignore  # typeshed is missing no-argument constructor overload
         callback_data = None
 
         error_code = cfunc(
@@ -5507,7 +5507,7 @@ def unregister_every_n_samples_event(
 
         n_samples = 0
         options = 0
-        callback_method_ptr = DAQmxEveryNSamplesEventCallbackPtr()
+        callback_method_ptr = DAQmxEveryNSamplesEventCallbackPtr()  # type: ignore  # typeshed is missing no-argument constructor overload
         callback_data = None
 
         error_code = cfunc(
@@ -5530,7 +5530,7 @@ def unregister_signal_event(self, task, signal_id):
                         ctypes.POINTER(ctypes.c_void_p)]
 
         options = 0
-        callback_method_ptr = DAQmxSignalEventCallbackPtr()
+        callback_method_ptr = DAQmxSignalEventCallbackPtr()  # type: ignore  # typeshed is missing no-argument constructor overload
         callback_data = None
 
         error_code = cfunc(

src/codegen/templates/library_interpreter/event_function_call.py.mako

@@ -39,7 +39,7 @@
         n_samples = 0
     %endif
         options = 0
-        callback_method_ptr = ${callback_func_param.type}()
+        callback_method_ptr = ${callback_func_param.type}()  # type: ignore  # typeshed is missing no-argument constructor overload
         callback_data = None
 %endif