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win32: also ENABLE_VIRTUAL_TERMINAL_PROCESSING on stderr #280

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Apr 11, 2019
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win32: also ENABLE_VIRTUAL_TERMINAL_PROCESSING on stderr #280

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16 changes: 9 additions & 7 deletions googler
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Original file line number Diff line number Diff line change
Expand Up @@ -3247,17 +3247,19 @@ def main():
# https://docs.microsoft.com/en-us/windows/console/setconsolemode
if platform.release() == '10':
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
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Can we put this complete block (from line 3245 to 3266) within a separate API?

ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004
try:
from ctypes import windll, wintypes, byref
kernel32 = windll.kernel32
stdout_handle = kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
old_mode = wintypes.DWORD()
if not kernel32.GetConsoleMode(stdout_handle, byref(old_mode)):
raise RuntimeError('GetConsoleMode failed')
new_mode = old_mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING
if not kernel32.SetConsoleMode(stdout_handle, new_mode):
raise RuntimeError('SetConsoleMode failed')
for nhandle in (STD_OUTPUT_HANDLE, STD_ERROR_HANDLE):
handle = kernel32.GetStdHandle(nhandle)
old_mode = wintypes.DWORD()
if not kernel32.GetConsoleMode(handle, byref(old_mode)):
raise RuntimeError('GetConsoleMode failed')
new_mode = old_mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING
if not kernel32.SetConsoleMode(handle, new_mode):
raise RuntimeError('SetConsoleMode failed')
# Note: No need to restore at exit. SetConsoleMode seems to
# be limited to the calling process.
except Exception:
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