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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import sys
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assert sys.platform == 'win32'
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from ctypes import POINTER # noqa: E402
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from ctypes import windll # noqa: E402
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from ctypes import WinError # noqa: E402
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from ctypes import WINFUNCTYPE # noqa: E402
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from ctypes.wintypes import BOOL # noqa: E402
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from ctypes.wintypes import DWORD # noqa: E402
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from ctypes.wintypes import HANDLE # noqa: E402
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STD_OUTPUT_HANDLE = -11
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ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
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def bool_errcheck(result, func, args):
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if not result:
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raise WinError()
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return args
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GetStdHandle = WINFUNCTYPE(HANDLE, DWORD)(
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('GetStdHandle', windll.kernel32), ((1, 'nStdHandle'),),
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)
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GetConsoleMode = WINFUNCTYPE(BOOL, HANDLE, POINTER(DWORD))(
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('GetConsoleMode', windll.kernel32),
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((1, 'hConsoleHandle'), (2, 'lpMode')),
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)
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GetConsoleMode.errcheck = bool_errcheck
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SetConsoleMode = WINFUNCTYPE(BOOL, HANDLE, DWORD)(
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('SetConsoleMode', windll.kernel32),
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((1, 'hConsoleHandle'), (1, 'dwMode')),
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)
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SetConsoleMode.errcheck = bool_errcheck
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def enable_virtual_terminal_processing():
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"""As of Windows 10, the Windows console supports (some) ANSI escape
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sequences, but it needs to be enabled using `SetConsoleMode` first.
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More info on the escape sequences supported:
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https://msdn.microsoft.com/en-us/library/windows/desktop/mt638032(v=vs.85).aspx
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"""
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stdout = GetStdHandle(STD_OUTPUT_HANDLE)
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flags = GetConsoleMode(stdout)
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SetConsoleMode(stdout, flags | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
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