evalstr

[Joonas Paalasmaa]

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
>>>