"""Backward-compatibility version of FCNTL; export constants exported by fcntl, and issue a deprecation warning. """ import warnings warnings.warn("the FCNTL module is deprecated; please use fcntl", DeprecationWarning) # Export the constants known to the fcntl module: from fcntl import * # and *only* the constants: __all__ = [s for s in dir() if s[0] in "ABCDEFGHIJKLMNOPQRSTUVWXYZ"]