evalstr

[Steve Holden]

http://aspn.activestate.com/ASPN/Cookbook/Python

--
http://www.holdenweb.com/


"Joonas Paalasmaa" <joonas.paalasmaa at nokia.com> wrote in message
news:3B4C78FE.C2B6CECB at nokia.com...
> Steve Holden wrote:
> >
> > "Joonas Paalasmaa" <joonas.paalasmaa at nokia.com> wrote in message
> > news:3B4C2A0E.60AA094 at nokia.com...
> > > Shannon --jj Behrens wrote:
> > > >
> > > > Hello All,
> > > >
> > > > I wrote a useful C module for doing string
> > > > interpolation.  I find it indespensible when working
> > > > with large blocks of triple-quoted text.  When working
> > > > with large blocks of triple-quoted text, nothing else
> > > > is quite as convenient.  Here's the Python doc:
> > >
> > > [lots of text snipped]
> > >
> > > > Please forgive my arrogance, but I think that it might
> > > > even be useful enough to be included as a standard
> > > > module.  If, not perhaps you guys might have some
> > > > suggestions as to what I can do with it.  You may
> > > > download the entire packages from:
> > > >
> > > > <http://ironorchid.com/jjinux/evalstr.tar.gz>
> > >
> > > I prefer the following method for evaluations inside strings.
> > >
> > > >>> class Eval:
> > > def __getitem__(self, key):
> > > return eval(key)
> > >
> > >
> > > >>> foo = 3.0
> > > >>> spam = 5.0
> > > >>> print "%(foo/spam)s" % Eval()
> > > 0.6
> > > >>> print "%(foo/spam).55f" % Eval()
> > > 0.5999999999999999800000000000000000000000000000000000000
> >
> > That's a very neat trick. Had you though of writing it up as a Python
> > recipe?
> >
> To where?