FCNTL exists in Python 2.2, but gives a DeprecationWarning. We should all be greatful for this warning in advance of a backwards incompatibility looming in the future. Here is a patch to future-proof the code I've checked it with 1.5.2 and 2.2a3 Please let me know of any objections Index: twisted/internet/process.py =================================================================== RCS file: /cvs/Twisted/twisted/internet/process.py,v retrieving revision 1.6 diff -u -r1.6 process.py --- twisted/internet/process.py 2001/08/18 09:31:01 1.6 +++ twisted/internet/process.py 2001/09/23 13:03:15 @@ -24,7 +24,10 @@ if os.name == 'posix': # Inter-process communication and FCNTL fun isn't available on windows. import fcntl - import FCNTL + if (sys.hexversion >> 16) >= 0x202: + FCNTL = fcntl + else: + import FCNTL from twisted.persisted import styles from twisted.python import log, threadable @@ -185,7 +188,7 @@ for fd in stdout_write, stderr_write, stdin_read: os.close(fd) for fd in (stdout_read, stderr_read): - fcntl.fcntl(fd, FCNTL.F_SETFL, FCNTL.O_NONBLOCK) + fcntl.fcntl(fd, FCNTL.F_SETFL, os.O_NONBLOCK) self.stdout = os.fdopen(stdout_read, 'r') self.stderr = os.fdopen(stderr_read, 'r') self.stdin = stdin_write -- The Official Moshe Zadka FAQ: http://moshez.geek The Official Moshe Zadka FAQ For Dummies: http://moshez.org Read the FAQ