Am 03.09.2012 14:32, schrieb Marco: > Does anyone have an example of utilisation?
The opener argument is a new 3.3 feature. For example you can use the feature to implement exclusive creation of a file to avoid symlink attacks. import os def opener(file, flags): return os.open(file, flags | os.O_EXCL) open("newfile", "w", opener=opener) -- http://mail.python.org/mailman/listinfo/python-list