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__pycache__ dir drwxr-xr-x 2024-10-07 16:37 R D
macholib dir drwxr-xr-x 2024-10-07 16:37 R D
  __init__.py 16.048 KB -rw-r--r-- 2024-09-24 13:48 R E G D
  _endian.py 1.953 KB -rw-r--r-- 2018-12-23 21:37 R E G D
  util.py 11.474 KB -rw-r--r-- 2018-12-23 21:37 R E G D
  wintypes.py 5.496 KB -rw-r--r-- 2018-12-23 21:37 R E G D
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"""create and manipulate C data types in Python""" import os as _os, sys as _sys __version__ = "1.1.0" from _ctypes import Union, Structure, Array from _ctypes import _Pointer from _ctypes import CFuncPtr as _CFuncPtr from _ctypes import __version__ as _ctypes_version from _ctypes import RTLD_LOCAL, RTLD_GLOBAL from _ctypes import ArgumentError from struct import calcsize as _calcsize if __version__ != _ctypes_version: raise Exception("Version number mismatch", __version__, _ctypes_version) if _os.name == "nt": from _ctypes import FormatError DEFAULT_MODE = RTLD_LOCAL if _os.name == "posix" and _sys.platform == "darwin": # On OS X 10.3, we use RTLD_GLOBAL as default mode # because RTLD_LOCAL does not work at least on some # libraries. OS X 10.3 is Darwin 7, so we check for # that. if int(_os.uname().release.split('.')[0]) < 8: DEFAULT_MODE = RTLD_GLOBAL from _ctypes import FUNCFLAG_CDECL as _FUNCFLAG_CDECL, \ FUNCFLAG_PYTHONAPI as _FUNCFLAG_PYTHONAPI, \ FUNCFLAG_USE_ERRNO as _FUNCFLAG_USE_ERRNO, \ FUNCFLAG_USE_LASTERROR as _FUNCFLAG_USE_LASTERROR # WINOLEAPI -> HRESULT # WINOLEAPI_(type) # # STDMETHODCALLTYPE # # STDMETHOD(name) # STDMETHOD_(type, name) # # STDAPICALLTYPE def create_string_buffer(init, size=None): """create_string_buffer(aBytes) -> character array create_string_buffer(anInteger) -> character array create_string_buffer(aBytes, anInteger) -> character array """ if isinstance(init, bytes): if size is None: size = len(init)+1 buftype = c_char * size buf = buftype() buf.value = init return buf elif isinstance(init, int): buftype = c_char * init buf = buftype() return buf raise TypeError(init) def c_buffer(init, size=None): ## "deprecated, use create_string_buffer instead" ## import warnings ## warnings.warn("c_buffer is deprecated, use create_string_buffer instead", ## DeprecationWarning, stacklevel=2) return create_string_buffer(init, size) _c_functype_cache = {} def CFUNCTYPE(restype, *argtypes, **kw): """CFUNCTYPE(restype, *argtypes, use_errno=False, use_last_error=False) -> function prototype. restype: the result type argtypes: a sequence specifying the argument types The function prototype can be called in different 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 """ flags = _FUNCFLAG_CDECL 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 _c_functype_cache[(restype, argtypes, flags)] except KeyError: class CFunctionType(_CFuncPtr): _argtypes_ = argtypes _restype_ = restype _flags_ = flags _c_functype_cache[(restype, argtypes, flags)] = CFunctionType return CFunctionType if _os.name == "nt": from _ctypes import LoadLibrary as _dlopen from _ctypes import FUNCFLAG_STDCALL as _FUNCFLAG_STDCALL _win_functype_cache = {} 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 if WINFUNCTYPE.__doc__: WINFUNCTYPE.__doc__ = CFUNCTYPE.__doc__.replace("CFUNCTYPE", "WINFUNCTYPE") elif _os.name == "posix": from _ctypes import dlopen as _dlopen from _ctypes import sizeof, byref, addressof, alignment, resize from _ctypes import get_errno, set_errno from _ctypes import _SimpleCData def _check_size(typ, typecode=None): # Check if sizeof(ctypes_type) against struct.calcsize. This # should protect somewhat against a misconfigured libffi. from struct import calcsize if typecode is None: # Most _type_ codes are the same as used in struct typecode = typ._type_ actual, required = sizeof(typ), calcsize(typecode) if actual != required: raise SystemError("sizeof(%s) wrong: %d instead of %d" % \ (typ, actual, required)) class py_object(_SimpleCData): _type_ = "O" def __repr__(self): try: return super().__repr__() except ValueError: return "%s()" % type(self).__name__ _check_size(py_object, "P") class c_short(_SimpleCData): _type_ = "h" _check_size(c_short) class c_ushort(_SimpleCData): _type_ = "H" _check_size(c_ushort) class c_long(_SimpleCData): _type_ = "l" _check_size(c_long) class c_ulong(_SimpleCData): _type_ = "L" _check_size(c_ulong) if _calcsize("i") == _calcsize("l"): # if int and long have the same size, make c_int an alias for c_long c_int = c_long c_uint = c_ulong else: class c_int(_SimpleCData): _type_ = "i" _check_size(c_int) class c_uint(_SimpleCData): _type_ = "I" _check_size(c_uint) class c_float(_SimpleCData): _type_ = "f" _check_size(c_float) class c_double(_SimpleCData): _type_ = "d" _check_size(c_double) class c_longdouble(_SimpleCData): _type_ = "g" if sizeof(c_longdouble) == sizeof(c_double): c_longdouble = c_double if _calcsize("l") == _calcsize("q"): # if long and long long have the same size, make c_longlong an alias for c_long c_longlong = c_long c_ulonglong = c_ulong else: class c_longlong(_SimpleCData): _type_ = "q" _check_size(c_longlong) class c_ulonglong(_SimpleCData): _type_ = "Q" ## def from_param(cls, val): ## return ('d', float(val), val) ## from_param = classmethod(from_param) _check_size(c_ulonglong) class c_ubyte(_SimpleCData): _type_ = "B" c_ubyte.__ctype_le__ = c_ubyte.__ctype_be__ = c_ubyte # backward compatibility: ##c_uchar = c_ubyte _check_size(c_ubyte) class c_byte(_SimpleCData): _type_ = "b" c_byte.__ctype_le__ = c_byte.__ctype_be__ = c_byte _check_size(c_byte) class c_char(_SimpleCData): _type_ = "c" c_char.__ctype_le__ = c_char.__ctype_be__ = c_char _check_size(c_char) class c_char_p(_SimpleCData): _type_ = "z" def __repr__(self): return "%s(%s)" % (self.__class__.__name__, c_void_p.from_buffer(self).value) _check_size(c_char_p, "P") class c_void_p(_SimpleCData): _type_ = "P" c_voidp = c_void_p # backwards compatibility (to a bug) _check_size(c_void_p) class c_bool(_SimpleCData): _type_ = "?" from _ct