Newbie Variable Definition Question

[Emile van Sebille]

I seem to recall from the docs that locals and globals could
not always be relied on.  Something ... ah... here it is:

.. undefined.4.2
    The current implementations return the dictionary
    actually used to implement the namespace, except
    for functions, where the optimizer may
    cause the local namespace to be implemented differently,
    and locals() returns a read-only dictionary.

>From the python reference manual.

You're probably ok, but watch out.

Emile van Sebille
emile at fenx.com
-------------------


----- Original Message -----
From: Gerrit Holl <gerrit.holl at pobox.com>
To: <python-list at python.org>
Sent: Tuesday, December 14, 1999 8:51 AM
Subject: Re: Newbie Variable Definition Question


<snip>

> I prefer:
> if not locals.has_key('x') or globals.has_key('x'):
>     x='default value'
>
> --
> "Nature abhors a Vacuum"
>
>   -- Brian Behlendorf on OSS (Open Sources, 1999 O'Reilly and
Associates)
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