+if os.name == "nt":
+ tmp = os.getenv ("TEMP")
+ signals = [signal.SIGTERM, signal.SIGINT]
+else:
+ tmp = "/tmp"
+ signals = [signal.SIGTERM, signal.SIGINT, signal.SIGHUP, signal.SIGQUIT]
+
+def cleanup_onerror (function, path, excinfo):
+ import stat
+ if not os.path.exists (path):
+ pass
+ elif not os.access(path, os.W_OK):
+ # Is the error an access error ?
+ os.chmod (path, stat.S_IWUSR)
+ function (path)
+ else:
+ raise