本文整理汇总了Python中_ctypes.CFuncPtr方法的典型用法代码示例。如果您正苦于以下问题：Python _ctypes.CFuncPtr方法的具体用法？Python _ctypes.CFuncPtr怎么用？Python _ctypes.CFuncPtr使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类_ctypes的用法示例。
在下文中一共展示了_ctypes.CFuncPtr方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: WINFUNCTYPE
# 需要导入模块: import _ctypes [as 别名]
# 或者: from _ctypes import CFuncPtr [as 别名]
def WINFUNCTYPE(restype, *argtypes, **kw):
# docstring set later (very similar to CFUNCTYPE.__doc__)
flags = _FUNCFLAG_STDCALL
if kw.pop("use_errno", False):
flags |= _FUNCFLAG_USE_ERRNO
if kw.pop("use_last_error", False):
flags |= _FUNCFLAG_USE_LASTERROR
if kw:
raise ValueError("unexpected keyword argument(s) %s" % kw.keys())
try:
return _win_functype_cache[(restype, argtypes, flags)]
except KeyError:
class WinFunctionType(_CFuncPtr):
_argtypes_ = argtypes
_restype_ = restype
_flags_ = flags
_win_functype_cache[(restype, argtypes, flags)] = WinFunctionType
return WinFunctionType 示例2: __init__
# 需要导入模块: import _ctypes [as 别名]
# 或者: from _ctypes import CFuncPtr [as 别名]
def __init__(self, name, mode=DEFAULT_MODE, handle=None,
use_errno=False,
use_last_error=False):
self._name = name
flags = self._func_flags_
if use_errno:
flags |= _FUNCFLAG_USE_ERRNO
if use_last_error:
flags |= _FUNCFLAG_USE_LASTERROR
class _FuncPtr(_CFuncPtr):
_flags_ = flags
_restype_ = self._func_restype_
self._FuncPtr = _FuncPtr
if handle is None:
self._handle = _dlopen(self._name, mode)
else:
self._handle = handle 示例3: CFUNCTYPE
# 需要导入模块: import _ctypes [as 别名]
# 或者: from _ctypes import CFuncPtr [as 别名]
def CFUNCTYPE(restype, *argtypes):
"""CFUNCTYPE(restype, *argtypes) -> function prototype.
restype: the result type
argtypes: a sequence specifying the argument types
The function prototype can be called in three ways to create a
callable object:
prototype(integer address) -> foreign function
prototype(callable) -> create and return a C callable function from callable
prototype(integer index, method name[, paramflags]) -> foreign function calling a COM method
prototype((ordinal number, dll object)[, paramflags]) -> foreign function exported by ordinal
prototype((function name, dll object)[, paramflags]) -> foreign function exported by name
"""
try:
return _c_functype_cache[(restype, argtypes)]
except KeyError:
class CFunctionType(_CFuncPtr):
_argtypes_ = argtypes
_restype_ = restype
_flags_ = _FUNCFLAG_CDECL
_c_functype_cache[(restype, argtypes)] = CFunctionType
return CFunctionType