Syntax check script for Windows

I use this as a pre-commit hook on Windows

compiletest.py

@@ -0,0 +1,20 @@
+#!/usr/bin/python2.7
+
+import ctypes
+import fnmatch
+import os
+import sys
+import traceback
+
+matches = []
+for root, dirnames, filenames in os.walk('src'):
+    for filename in fnmatch.filter(filenames, '*.py'):
+        matches.append(os.path.join(root, filename))
+
+for filename in matches:
+    source = open(filename, 'r').read() + '\n'
+    try:
+        compile(source, filename, 'exec')
+    except Exception as e:
+        ctypes.windll.user32.MessageBoxA(0, traceback.format_exc(), "Exception in " + filename, 1)
+        sys.exit(1)