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Re: [Gnumed-devel] That killed it stone dead

From: Karsten Hilbert
Subject: Re: [Gnumed-devel] That killed it stone dead
Date: Tue, 17 Aug 2004 18:32:30 +0200
User-agent: Mutt/

> I have had the same problem: there is no easy way of guarateeing a
> default value in the configuration database.
> My suggestion would be to extend the "template" configuration files
> under client/etc/config-definitions/ to support this.  
I agree.

> > if len(patientcolumnslist)==0:
> if not patientcolumnslist or len(patientcolumnslist)==0:
or, to be more explicit:

if patientcolumnslist is None:
    print "missing"
if len(patientcolumnslist) == 0:
    print "missing"

IOW, Ian is saying that client code depending on configuration
values should *always* check whether the value is there. A
common problem in computer science to check for known possible
error conditions.


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