On Sun, Jul 10, 2011 at 11:32 AM, Bruce Whealton <br...@whealton.info> wrote: problem with is this line: > def add(self, (sub, pred, obj)): > I think the problem is with the parentheses before the sub. I removed those > and that seemed to fix that error or make it go away. I don’t remember how I > figured that out, It should be on the Errata page for sure. > Then it has a problem with this line: > print list(g.triples((None, None, None))) > If I was using python 3, it would require () around the thing that is going > to be printed, right? Maybe python 2.7 doesn’t like this line for the same > reason. >
The issue there is with tuple unpacking. To match the older syntax, don't touch the call, but change the definition thus: def add(self, args): (sub, pred, obj)=args Or, of course, simply list the arguments directly, rather than in a tuple; but that requires changing every call (if it's a small program that may not be a problem). You're right about needing parentheses around the print() call; in Python 2 it's a statement, but in Python 3, print is a function like any other. Regarding the module search path, this may help: http://docs.python.org/dev/tutorial/modules.html#the-module-search-path Chris Angelico -- http://mail.python.org/mailman/listinfo/python-list
