On Thu, Nov 11, 2010 at 2:44 PM, Ondrej Certik <ond...@certik.cz> wrote: > On Thu, Nov 11, 2010 at 1:08 PM, Aaron Meurer <asmeu...@gmail.com> wrote: >> How difficult would it be to provide a model like Maple, where the >> common functions are imported by default, but if you want more >> advanced things you have to import the module? The difficulty, the >> common functions and more advanced ones might be in the same file. >> So, for example, you might want to import dsolve() by default, but not >> classify_ode() (similar to how dsolve() is imported by default in >> Maple, but to use odeadvisor(), you have to do with(DETools)), but >> both live in ode.py. Does Python make it easy to do this sort of >> thing, or at least has someone written something that makes it easy to >> do? > > We need to experiment. I think we all agree that something like you > describe is desirable to do. > > I think that basic "import sympy" should only import the core, plus > some basic functions, and then limits, integrals, solve, dsolve. Maybe > some more things. > > And the rest should simply by not imported at all, and the user has to > import it by hand. That means, that dsolve() has to import the stuff > from withing the function itself, so that it gets "lazy imported".
For example the special functions should *not* be imported by default, as there will be tons of them. And one will just do: from sympy.special import Ylm and so on. That should be easy to do. Ondrej -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sy...@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
