Running DocTest on Strings

[André]

Paddy wrote:
> notanotheridiot wrote:
> > Hi,
> > I have two strings - a docstring containing doctests and a code string
> > containing code to be tested with those doctests. I've been trying for
> > a day now to run the test without concatenating the two strings,
> > adding:
> >
> > import doctest
> > doctest.testmod
> >
> > to the bottom, writing it all to a file and executing it using popen().
> >
> > There must be some way of doing this without writing to a temporary
> > file, any ideas?
> >
> > thanks in advance,
> >
> > johannes Woolard
> Create the concatenated string then exec it?

I know from experience that this approach does not work.  When you do
that, the entire module from which it is run turns out to be scanned
for doctests - not only the string being executed by exec.  However, I
understand that Johannes found a solution.

André

> 
> - Pad.