On Wed, Dec 23, 2009 at 02:01:22PM -0800, William Stein wrote:
> > I stumbled recently into a nifty feature of the IPython interpreter
> > allowing for easy manipulations of the global namespace of the
> > interpreter, at the python level. Thanks to it, one can now do:
> >
> > sage: S = SymmetricFunctions(ZZ)
> > sage: S.import_shorthands()
> > sage: s[1] + e[2] * p[1,1] + 2*h[3] + m[2,1]
> > s[1] - 2*s[1, 1, 1] + s[1, 1, 1, 1] + s[2, 1] + 2*s[2, 1, 1] + s[2, 2] +
> > 2*s[3] + s[3, 1]
> > sage: s
> > Symmetric Function Algebra over Integer Ring, Schur symmetric functions
> > as basis
> > sage: e
> > Symmetric Function Algebra over Integer Ring, Elementary symmetric
> > functions as basis
> > ...
>
> What happens in the notebook (which in no way uses IPython)? Does it
> at least fail gracefully?
Good point. I am using that seldom the notebook that I did not even
think about it :-) Let me try ... Ok, as I expected, it's not that graceful:
Traceback (click to the left for traceback)
...
AttributeError: 'NoneType' object has no attribute 'to_user_ns'
Is there an easy way to manipulate the global namespace for the
notebook? For IPython, I am using:
import IPython
ip = IPython.ipapi.get()
ip.to_user_ns( dict( ... ) )
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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