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_CField as a generic descriptor protocol (#10595)

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This commit is contained in:
Jun Komoda
2023-09-01 23:23:33 +09:00
committed by GitHub
parent e04c440571
commit 4009efa349
4 changed files with 124 additions and 109 deletions
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12
stdlib/_ctypes.pyi
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@@ -122,15 +122,23 @@ class CFuncPtr(_PointerLike, _CData):
def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
class _CField:
_GetT = TypeVar("_GetT")
_SetT = TypeVar("_SetT")
class _CField(Generic[_CT, _GetT, _SetT]):
offset: int
size: int
@overload
def __get__(self, __instance: None, __owner: type[Any] | None) -> Self: ...
@overload
def __get__(self, __instance: Any, __owner: type[Any] | None) -> _GetT: ...
def __set__(self, __instance: Any, __value: _SetT) -> None: ...
class _StructUnionMeta(_CDataMeta):
_fields_: Sequence[tuple[str, type[_CData]] | tuple[str, type[_CData], int]]
_pack_: int
_anonymous_: Sequence[str]
def __getattr__(self, name: str) -> _CField: ...
def __getattr__(self, name: str) -> _CField[Any, Any, Any]: ...
class _StructUnionBase(_CData, metaclass=_StructUnionMeta):
def __init__(self, *args: Any, **kw: Any) -> None: ...

89
stdlib/ctypes/wintypes.pyi
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@@ -1,6 +1,7 @@
from ctypes import (
Array,
Structure,
_CField,
_Pointer,
_SimpleCData,
c_byte,
@@ -20,6 +21,7 @@ from ctypes import (
c_wchar,
c_wchar_p,
)
from typing import TypeVar
from typing_extensions import TypeAlias
BYTE = c_byte
@@ -101,39 +103,42 @@ HWND = HANDLE
SC_HANDLE = HANDLE
SERVICE_STATUS_HANDLE = HANDLE
_CIntLikeT = TypeVar("_CIntLikeT", bound=_SimpleCData[int])
_CIntLikeField: TypeAlias = _CField[_CIntLikeT, int, _CIntLikeT | int]
class RECT(Structure):
left: LONG
top: LONG
right: LONG
bottom: LONG
left: _CIntLikeField[LONG]
top: _CIntLikeField[LONG]
right: _CIntLikeField[LONG]
bottom: _CIntLikeField[LONG]
RECTL = RECT
_RECTL = RECT
tagRECT = RECT
class _SMALL_RECT(Structure):
Left: SHORT
Top: SHORT
Right: SHORT
Bottom: SHORT
Left: _CIntLikeField[SHORT]
Top: _CIntLikeField[SHORT]
Right: _CIntLikeField[SHORT]
Bottom: _CIntLikeField[SHORT]
SMALL_RECT = _SMALL_RECT
class _COORD(Structure):
X: SHORT
Y: SHORT
X: _CIntLikeField[SHORT]
Y: _CIntLikeField[SHORT]
class POINT(Structure):
x: LONG
y: LONG
x: _CIntLikeField[LONG]
y: _CIntLikeField[LONG]
POINTL = POINT
_POINTL = POINT
tagPOINT = POINT
class SIZE(Structure):
cx: LONG
cy: LONG
cx: _CIntLikeField[LONG]
cy: _CIntLikeField[LONG]
SIZEL = SIZE
tagSIZE = SIZE
@@ -141,45 +146,45 @@ tagSIZE = SIZE
def RGB(red: int, green: int, blue: int) -> int: ...
class FILETIME(Structure):
dwLowDateTime: DWORD
dwHighDateTime: DWORD
dwLowDateTime: _CIntLikeField[DWORD]
dwHighDateTime: _CIntLikeField[DWORD]
_FILETIME = FILETIME
class MSG(Structure):
hWnd: HWND
message: UINT
wParam: WPARAM
lParam: LPARAM
time: DWORD
pt: POINT
hWnd: _CField[HWND, int | None, HWND | int | None]
message: _CIntLikeField[UINT]
wParam: _CIntLikeField[WPARAM]
lParam: _CIntLikeField[LPARAM]
time: _CIntLikeField[DWORD]
pt: _CField[POINT, POINT, POINT]
tagMSG = MSG
MAX_PATH: int
class WIN32_FIND_DATAA(Structure):
dwFileAttributes: DWORD
ftCreationTime: FILETIME
ftLastAccessTime: FILETIME
ftLastWriteTime: FILETIME
nFileSizeHigh: DWORD
nFileSizeLow: DWORD
dwReserved0: DWORD
dwReserved1: DWORD
cFileName: Array[CHAR]
cAlternateFileName: Array[CHAR]
dwFileAttributes: _CIntLikeField[DWORD]
ftCreationTime: _CField[FILETIME, FILETIME, FILETIME]
ftLastAccessTime: _CField[FILETIME, FILETIME, FILETIME]
ftLastWriteTime: _CField[FILETIME, FILETIME, FILETIME]
nFileSizeHigh: _CIntLikeField[DWORD]
nFileSizeLow: _CIntLikeField[DWORD]
dwReserved0: _CIntLikeField[DWORD]
dwReserved1: _CIntLikeField[DWORD]
cFileName: _CField[Array[CHAR], bytes, bytes]
cAlternateFileName: _CField[Array[CHAR], bytes, bytes]
class WIN32_FIND_DATAW(Structure):
dwFileAttributes: DWORD
ftCreationTime: FILETIME
ftLastAccessTime: FILETIME
ftLastWriteTime: FILETIME
nFileSizeHigh: DWORD
nFileSizeLow: DWORD
dwReserved0: DWORD
dwReserved1: DWORD
cFileName: Array[WCHAR]
cAlternateFileName: Array[WCHAR]
dwFileAttributes: _CIntLikeField[DWORD]
ftCreationTime: _CField[FILETIME, FILETIME, FILETIME]
ftLastAccessTime: _CField[FILETIME, FILETIME, FILETIME]
ftLastWriteTime: _CField[FILETIME, FILETIME, FILETIME]
nFileSizeHigh: _CIntLikeField[DWORD]
nFileSizeLow: _CIntLikeField[DWORD]
dwReserved0: _CIntLikeField[DWORD]
dwReserved1: _CIntLikeField[DWORD]
cFileName: _CField[Array[WCHAR], str, str]
cAlternateFileName: _CField[Array[WCHAR], str, str]
# These pointer type definitions use _Pointer[...] instead of POINTER(...), to allow them
# to be used in type annotations.

17
stubs/pyserial/serial/tools/list_ports_windows.pyi
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@@ -1,5 +1,6 @@
import ctypes
import sys
from _typeshed import Incomplete
from collections.abc import Generator
from ctypes.wintypes import DWORD
@@ -24,16 +25,16 @@ if sys.platform == "win32":
REGSAM = ACCESS_MASK
class GUID(ctypes.Structure):
Data1: ctypes._CField
Data2: ctypes._CField
Data3: ctypes._CField
Data4: ctypes._CField
Data1: ctypes._CField[Incomplete, Incomplete, Incomplete]
Data2: ctypes._CField[Incomplete, Incomplete, Incomplete]
Data3: ctypes._CField[Incomplete, Incomplete, Incomplete]
Data4: ctypes._CField[Incomplete, Incomplete, Incomplete]
class SP_DEVINFO_DATA(ctypes.Structure):
cbSize: ctypes._CField
ClassGuid: ctypes._CField
DevInst: ctypes._CField
Reserved: ctypes._CField
cbSize: ctypes._CField[Incomplete, Incomplete, Incomplete]
ClassGuid: ctypes._CField[Incomplete, Incomplete, Incomplete]
DevInst: ctypes._CField[Incomplete, Incomplete, Incomplete]
Reserved: ctypes._CField[Incomplete, Incomplete, Incomplete]
PSP_DEVINFO_DATA: type[ctypes._Pointer[SP_DEVINFO_DATA]]
PSP_DEVICE_INTERFACE_DETAIL_DATA = ctypes.c_void_p
setupapi: ctypes.WinDLL

115
stubs/pyserial/serial/win32.pyi
View File

@@ -1,4 +1,5 @@
import sys
from _typeshed import Incomplete
from ctypes import Structure, Union, _CField, _NamedFuncPointer, _Pointer, c_int64, c_ulong, c_void_p
from ctypes.wintypes import DWORD
from typing_extensions import TypeAlias
@@ -9,9 +10,9 @@ if sys.platform == "win32":
ULONG_PTR: type[c_int64 | c_ulong]
class _SECURITY_ATTRIBUTES(Structure):
nLength: _CField
lpSecurityDescriptor: _CField
bInheritHandle: _CField
nLength: _CField[Incomplete, Incomplete, Incomplete]
lpSecurityDescriptor: _CField[Incomplete, Incomplete, Incomplete]
bInheritHandle: _CField[Incomplete, Incomplete, Incomplete]
LPSECURITY_ATTRIBUTES: type[_Pointer[_SECURITY_ATTRIBUTES]]
CreateEvent: _NamedFuncPointer
CreateFile: _NamedFuncPointer
@@ -21,64 +22,64 @@ if sys.platform == "win32":
CreateFileW: _NamedFuncPointer
class _OVERLAPPED(Structure):
Internal: _CField
InternalHigh: _CField
Offset: _CField
OffsetHigh: _CField
Pointer: _CField
hEvent: _CField
Internal: _CField[Incomplete, Incomplete, Incomplete]
InternalHigh: _CField[Incomplete, Incomplete, Incomplete]
Offset: _CField[Incomplete, Incomplete, Incomplete]
OffsetHigh: _CField[Incomplete, Incomplete, Incomplete]
Pointer: _CField[Incomplete, Incomplete, Incomplete]
hEvent: _CField[Incomplete, Incomplete, Incomplete]
OVERLAPPED: TypeAlias = _OVERLAPPED
class _COMSTAT(Structure):
fCtsHold: _CField
fDsrHold: _CField
fRlsdHold: _CField
fXoffHold: _CField
fXoffSent: _CField
fEof: _CField
fTxim: _CField
fReserved: _CField
cbInQue: _CField
cbOutQue: _CField
fCtsHold: _CField[Incomplete, Incomplete, Incomplete]
fDsrHold: _CField[Incomplete, Incomplete, Incomplete]
fRlsdHold: _CField[Incomplete, Incomplete, Incomplete]
fXoffHold: _CField[Incomplete, Incomplete, Incomplete]
fXoffSent: _CField[Incomplete, Incomplete, Incomplete]
fEof: _CField[Incomplete, Incomplete, Incomplete]
fTxim: _CField[Incomplete, Incomplete, Incomplete]
fReserved: _CField[Incomplete, Incomplete, Incomplete]
cbInQue: _CField[Incomplete, Incomplete, Incomplete]
cbOutQue: _CField[Incomplete, Incomplete, Incomplete]
COMSTAT: TypeAlias = _COMSTAT
class _DCB(Structure):
DCBlength: _CField
BaudRate: _CField
fBinary: _CField
fParity: _CField
fOutxCtsFlow: _CField
fOutxDsrFlow: _CField
fDtrControl: _CField
fDsrSensitivity: _CField
fTXContinueOnXoff: _CField
fOutX: _CField
fInX: _CField
fErrorChar: _CField
fNull: _CField
fRtsControl: _CField
fAbortOnError: _CField
fDummy2: _CField
wReserved: _CField
XonLim: _CField
XoffLim: _CField
ByteSize: _CField
Parity: _CField
StopBits: _CField
XonChar: _CField
XoffChar: _CField
ErrorChar: _CField
EofChar: _CField
EvtChar: _CField
wReserved1: _CField
DCBlength: _CField[Incomplete, Incomplete, Incomplete]
BaudRate: _CField[Incomplete, Incomplete, Incomplete]
fBinary: _CField[Incomplete, Incomplete, Incomplete]
fParity: _CField[Incomplete, Incomplete, Incomplete]
fOutxCtsFlow: _CField[Incomplete, Incomplete, Incomplete]
fOutxDsrFlow: _CField[Incomplete, Incomplete, Incomplete]
fDtrControl: _CField[Incomplete, Incomplete, Incomplete]
fDsrSensitivity: _CField[Incomplete, Incomplete, Incomplete]
fTXContinueOnXoff: _CField[Incomplete, Incomplete, Incomplete]
fOutX: _CField[Incomplete, Incomplete, Incomplete]
fInX: _CField[Incomplete, Incomplete, Incomplete]
fErrorChar: _CField[Incomplete, Incomplete, Incomplete]
fNull: _CField[Incomplete, Incomplete, Incomplete]
fRtsControl: _CField[Incomplete, Incomplete, Incomplete]
fAbortOnError: _CField[Incomplete, Incomplete, Incomplete]
fDummy2: _CField[Incomplete, Incomplete, Incomplete]
wReserved: _CField[Incomplete, Incomplete, Incomplete]
XonLim: _CField[Incomplete, Incomplete, Incomplete]
XoffLim: _CField[Incomplete, Incomplete, Incomplete]
ByteSize: _CField[Incomplete, Incomplete, Incomplete]
Parity: _CField[Incomplete, Incomplete, Incomplete]
StopBits: _CField[Incomplete, Incomplete, Incomplete]
XonChar: _CField[Incomplete, Incomplete, Incomplete]
XoffChar: _CField[Incomplete, Incomplete, Incomplete]
ErrorChar: _CField[Incomplete, Incomplete, Incomplete]
EofChar: _CField[Incomplete, Incomplete, Incomplete]
EvtChar: _CField[Incomplete, Incomplete, Incomplete]
wReserved1: _CField[Incomplete, Incomplete, Incomplete]
DCB: TypeAlias = _DCB
class _COMMTIMEOUTS(Structure):
ReadIntervalTimeout: _CField
ReadTotalTimeoutMultiplier: _CField
ReadTotalTimeoutConstant: _CField
WriteTotalTimeoutMultiplier: _CField
WriteTotalTimeoutConstant: _CField
ReadIntervalTimeout: _CField[Incomplete, Incomplete, Incomplete]
ReadTotalTimeoutMultiplier: _CField[Incomplete, Incomplete, Incomplete]
ReadTotalTimeoutConstant: _CField[Incomplete, Incomplete, Incomplete]
WriteTotalTimeoutMultiplier: _CField[Incomplete, Incomplete, Incomplete]
WriteTotalTimeoutConstant: _CField[Incomplete, Incomplete, Incomplete]
COMMTIMEOUTS: TypeAlias = _COMMTIMEOUTS
GetLastError: _NamedFuncPointer
@@ -151,11 +152,11 @@ if sys.platform == "win32":
PURGE_RXCLEAR: int
class N11_OVERLAPPED4DOLLAR_48E(Union):
Offset: _CField
OffsetHigh: _CField
Pointer: _CField
Offset: _CField[Incomplete, Incomplete, Incomplete]
OffsetHigh: _CField[Incomplete, Incomplete, Incomplete]
Pointer: _CField[Incomplete, Incomplete, Incomplete]
class N11_OVERLAPPED4DOLLAR_484DOLLAR_49E(Structure):
Offset: _CField
OffsetHigh: _CField
Offset: _CField[Incomplete, Incomplete, Incomplete]
OffsetHigh: _CField[Incomplete, Incomplete, Incomplete]
PVOID: TypeAlias = c_void_p