Python ctypes._CFuncPtr() Examples

The following are 8 code examples of ctypes._CFuncPtr(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module ctypes , or try the search function .
Example #1
Source File: __init__.py    From OpenXMolar with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def WINFUNCTYPE(restype, *argtypes, **kw):
        flags = _FUNCFLAG_STDCALL
        if kw.pop("use_errno", False):
            flags |= ctypes._FUNCFLAG_USE_ERRNO
        if kw.pop("use_last_error", False):
            flags |= ctypes._FUNCFLAG_USE_LASTERROR
        if kw:
            raise ValueError("unexpected keyword argument(s) %s" % kw.keys())
        try:
            return ctypes._win_functype_cache[(restype, argtypes, flags)]
        except KeyError:
            class WinFunctionType(ctypes._CFuncPtr):
                _argtypes_ = argtypes
                _restype_ = restype
                _flags_ = flags
            ctypes._win_functype_cache[(restype, argtypes, flags)] = WinFunctionType
            return WinFunctionType
Example #2
Source File: enumerate_windef.py    From windbgtool with MIT License 6 votes vote down vote up 
def enumerate_winfuncs(self):
        for obj in vars(windows.generated_def.winfuncs):
            instance = eval("windows.generated_def.winfuncs." + obj)

            if hasattr(instance, '__bases__') and instance.__bases__[0] is _CFuncPtr:
                function_name = obj[0:-1 * len('Prototype')]
                if not function_name in self.function_prototypes:
                    self.function_prototypes[function_name] = {}

                self.function_prototypes[function_name]['restype'] = instance._restype_.__name__
                argtypes = []
                for argtype in instance._argtypes_:
                    argtypes.append(argtype.__name__)

                    if not argtype in self.argtypes:
                        self.argtypes[argtype.__name__] = 1

                self.function_prototypes[function_name]['arg_types'] = argtypes

            elif obj.endswith('Params'):
                function_name = obj[0:-1 * len('Params')]
                if not function_name in self.function_prototypes:
                    self.function_prototypes[function_name] = {}

                self.function_prototypes[function_name]['arg_names'] = instance
Example #3
Source File: test_funcptr.py    From ironpython2 with Apache License 2.0 5 votes vote down vote up 
def test_abstract(self):
        from ctypes import _CFuncPtr

        self.assertRaises(TypeError, _CFuncPtr, 13, "name", 42, "iid")
Example #4
Source File: common.py    From mayhem with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def duplicate(self, other):
		if callable(other):
			if isinstance(other, ctypes._CFuncPtr):
				other = ctypes.cast(other, ctypes.c_void_p).value
		elif not isinstance(other, int):
			other = ctypes.cast(other, ctypes.c_void_p).value
		return self.__class__(other)
Example #5
Source File: test_funcptr.py    From Imogen with MIT License 5 votes vote down vote up 
def test_abstract(self):
        from ctypes import _CFuncPtr

        self.assertRaises(TypeError, _CFuncPtr, 13, "name", 42, "iid")
Example #6
Source File: test_funcptr.py    From odoo13-x64 with GNU General Public License v3.0 5 votes vote down vote up 
def test_abstract(self):
        from ctypes import _CFuncPtr

        self.assertRaises(TypeError, _CFuncPtr, 13, "name", 42, "iid")
Example #7
Source File: test_funcptr.py    From android_universal with MIT License 5 votes vote down vote up 
def test_abstract(self):
        from ctypes import _CFuncPtr

        self.assertRaises(TypeError, _CFuncPtr, 13, "name", 42, "iid")
Example #8
Source File: arg_definition.py    From zugbruecke with GNU Lesser General Public License v2.1 5 votes vote down vote up 
def generate_callback_decorator(self, flags, restype, *argtypes, **kwargs):

		_memsync_ = kwargs.pop('memsync', [])

		if not(flags & _FUNCFLAG_STDCALL):
			func_type_key = _FUNCFLAG_CDECL
		else:
			func_type_key = _FUNCFLAG_STDCALL

		try:

			# There already is a matching function pointer type available
			return self.cache_dict['func_type'][func_type_key][(restype, argtypes, flags)]

		except KeyError:

			# Create new function pointer type class
			class FunctionType(ctypes._CFuncPtr):

				_argtypes_ = argtypes
				_restype_ = restype
				memsync = self.unpack_definition_memsync(_memsync_)
				_flags_ = flags

			# Store the new type and return
			self.cache_dict['func_type'][func_type_key][(restype, argtypes, flags)] = FunctionType
			return FunctionType