keyboard: Overflowerror with Python 3.7 on Windows

The add_hotkey function doesn’t work on Windows with Python 3.7 (64-bit):

import keyboard, time

keyboard.add_hotkey('a', print)

time.sleep(5)

The traceback:

Exception in thread Thread-1:
Traceback (most recent call last):
  File "C:\Python37\lib\threading.py", line 917, in _bootstrap_inner
    self.run()
  File "C:\Python37\lib\threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Python37\lib\site-packages\keyboard\__init__.py", line 292, in listen
    _os_keyboard.listen(self.direct_callback)
  File "C:\Python37\lib\site-packages\keyboard\_winkeyboard.py", line 560, in listen
    prepare_intercept(callback)
  File "C:\Python37\lib\site-packages\keyboard\_winkeyboard.py", line 553, in prepare_intercept
    keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_callback, GetModuleHandleW(NULL), NULL)
ctypes.ArgumentError: argument 3: <class 'OverflowError'>: int too long to convert

About this issue

Original URL
State: open
Created 6 years ago
Reactions: 7
Comments: 15 (1 by maintainers)

Commits related to this issue

Tighten Windows ctype functions #186 #186 — committed to boppreh/keyboard by boppreh 6 years ago

Most upvoted comments

I m also having this issue with python3.7 and windows 10. Quick and dirty fix: removing the call to GetModuleHandleW seems to work for my simple use case.

_winkeyboard.py line 553:
SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_callback, GetModuleHandleW(NULL), NULL) -> SetWindowsHookEx(WH_KEYBOARD_LL, keyboard_callback, NULL, NULL)

+10

j-lag on Feb 5, 2019

Not just the hotkeys, any attempt to create a hook fails.

Farm-Art on Jul 5, 2018

Issue still present using keyboard.is_pressed with python 3.7 and Python 3.7.1rc1 (v3.7.1rc1:2064bcf6ce, Sep 26 2018, 15:15:36) [MSC v.1914 64 bit (AMD64)] on win32

lkingscott on Oct 2, 2018