Nigel Smart <ni...@compsci.bristol.ac.uk> writes: > Having installed... > > Twisted, Zope and other stuff, I get the error.... > > apps% python generate-config-files.py -n 3 -t 1 \ > ? localhost:9001 localhost:9002 localhost:9003 > Seeding random generator with random seed 9319 > Traceback (most recent call last): > File "generate-config-files.py", line 57, in ? > from viff.config import generate_configs > File "/home/projects/crypto/Linux/lib/python/viff/config.py", line 35, in ? > from viff.paillierutil import ViffPaillier > File "/home/projects/crypto/Linux/lib/python/viff/paillierutil.py", line > 18, in ? > from viff import paillier > > blah blah blah > > File > "/home/projects/crypto/Linux//lib64/python/twisted/internet/tcp.py", > line 74, in ? > from twisted.internet import defer, base, address, fdesc > File > "/home/projects/crypto/Linux//lib64/python/twisted/internet/base.py", > line 19, in ? > from twisted.python.compat import set > ImportError: cannot import name set > > > So clearly "set" is something I should be picking up from somewhere. > Any idea where?
"set" is a built-in set data type in Python 2.4 and later. Twisted has a compatibility module for older versions of Python. On my system, the twisted/python/compat.py file (from which the code tries to import "set") has try: set = set except NameError: from sets import Set as set which simply tests to see if "set" is defined, otherwise it imports it From the sets module, which defines a Set class in old Python versions. Which Python version are you using (python -V)? Which distribution is this? Twisted is a standard component which is surely packaged for the distribution -- there should be no need to installing it yourself. -- Martin Geisler
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