in-module global variables

[Aahz Maruch]

In article <mailman.970136624.1180.python-list at python.org>,
Matthew Banham <matb at photond.com> wrote:
>
>When writing a python module, how do I correctly declare a global variable-
>i.e. a variable that has scope throughout the whole of the module?

You cannot.  You must explicitly declare that variable to be global
within each scope by using the "global" statement.  I suggest instead
that you create a dictionary or class instance and modify its
attributes (mutable objects can be functionally global because you only
change their internal state, not the object reference itself).
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