Re: checking if two things do not equal None

Thanks everyone; it has been very educational. > Dave Angel: > ...we'll find that two of the alternatives are not even equivalent. That helped me realize (a,b) != (None, None) is not correct for the function. It's a case where two parameters have None as the default argument. What I want is to

Re: checking if two things do not equal None

> Do you actually want to check for arbitrary objects which may claim to > equal None, or do you want to check for objects which are None? Arbitrary objects are not a concern. > if not (a is b is None): ... > > if a is not b is not None: ... Thanks for the examples. -- https://mail.python.o

checking if two things do not equal None

if (a, b) != (None, None): or if a != None != b: Preference? Pros? Cons? Alternatives? :D -- https://mail.python.org/mailman/listinfo/python-list

Confused by "format requires a mapping"

Hello, I'm very new to Python, and unsure how to handle this runtime error below. Pointers in the right direction (RTFM here ... etc) most appreciated. I have an object, called article, that when printed has the following structure: {'title': 'wbk', 'entries': [('http://wbk.opendarwin.org/blog/?

wxPython import error

I have tried several times to install wxPython on Fedora Core 2. The installation seems to go fine (from sources), but when I try to import the wx module I keep getting the following error: = Python 2.4.2 (#1, Sep 29 2005

Re: Question

Hi, this email address does not exist. Please go to the site and use the correct form to send your message. No one has seen this message. Thanks Matchfinder -- http://mail.python.org/mailman/listinfo/python-list

pydoc - suppressing builtins?

Is it possible to persuade pydoc not to include documentation for methods inherited from built-in classes? I have several classes that inherit from dict, and don't really need documentation thousands of lines long that consists mostly of dict's methods repeated multiple times. I'm sure I could qit

mxDateTime on Mac: Fatal Python Error

I'm trying to get mxDateTime working on a Mac so that I can use pyscopg and cx_Oracle. The Egenix base package builds and installs quite happily, but then when I try to import it I get >> import mx.DateTime Fatal Python error: Interpreter not initialized (version mismatch?) Abort ... any ideas?