Alex Martelli wrote: > >>>>> class a_class: > > This is ALL of the problem: you're using a legacy (old-style) class, and > properties (particularly setters) don't work right on its instances (and > cannot, for backwards compatibility: legacy classes exist exclusively to > keep backwards compatibility with Python code written many, many years > ago and should be avoided in new code). > > Change that one line to > > class a_class(object): > > and everything else should be fine. If you want, I can try to explain > the why's and wherefore's of the problem, but to understand it requires > deeper knowledge of Python than you'll need for just about any practical > use of it: just retain the tidbit "NEVER use oldstyle classes" and you > won't need to understand WHY you shouldn't use them:-).
Can you elaborate (or just point me to a good doc) on what you mean by an "old style" class versus the new style? I learned Python (well, am still learning) from an older book, and I just want to make sure that I'm using the preferred method. Thanks, -Jay -- http://mail.python.org/mailman/listinfo/python-list
