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Move "only run once" code into def enforce_single_instance()

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Athanasius 2020-07-24 14:51:26 +01:00
parent 5aaf88b281
commit e1752506c5
1 changed files with 6 additions and 3 deletions
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9
EDMarketConnector.py
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@ -880,13 +880,12 @@ class AppWindow(object):
self.theme_menubar.grid_remove()
self.blank_menubar.grid(row=0, columnspan=2, sticky=tk.NSEW)
# Run the app
if __name__ == "__main__":
def enforce_single_instance() -> None:
# Ensure only one copy of the app is running under this user account. OSX does this automatically. Linux TODO.
if platform == 'win32':
import ctypes
from ctypes.wintypes import *
from ctypes.wintypes import HWND, LPWSTR, LPCWSTR, INT, BOOL, LPARAM
EnumWindows = ctypes.windll.user32.EnumWindows
GetClassName = ctypes.windll.user32.GetClassNameW
GetClassName.argtypes = [HWND, LPWSTR, ctypes.c_int]
@ -935,6 +934,10 @@ if __name__ == "__main__":
EnumWindows(enumwindowsproc, 0)
# Run the app
if __name__ == "__main__":
enforce_single_instance()
if getattr(sys, 'frozen', False):
# By default py2exe tries to write log to dirname(sys.executable) which fails when installed
import tempfile