[logutil.py] Use WinDLL instead of windll (#760)

enthought · Jan 25, 2025 · f85ef39 · f85ef39
1 parent b69e922
commit f85ef39
Showing 1 changed file with 15 additions and 3 deletions.
diff --git a/comtypes/logutil.py b/comtypes/logutil.py
@@ -1,13 +1,25 @@
 # logutil.py
-import logging, ctypes
+import logging
+from ctypes import WinDLL
+from ctypes.wintypes import LPCSTR, LPCWSTR
+
+_kernel32 = WinDLL("kernel32")
+
+_OutputDebugStringA = _kernel32.OutputDebugStringA
+_OutputDebugStringA.argtypes = [LPCSTR]
+_OutputDebugStringA.restype = None
+
+_OutputDebugStringW = _kernel32.OutputDebugStringW
+_OutputDebugStringW.argtypes = [LPCWSTR]
+_OutputDebugStringW.restype = None
 
 
 class NTDebugHandler(logging.Handler):
     def emit(
         self,
         record,
-        writeA=ctypes.windll.kernel32.OutputDebugStringA,
-        writeW=ctypes.windll.kernel32.OutputDebugStringW,
+        writeA=_OutputDebugStringA,
+        writeW=_OutputDebugStringW,
     ):
         text = self.format(record)
         if isinstance(text, str):