It's probably a bad idea to just do a .replace(' ', '') on the input
for a few reasons. First, spaces can be necessary for some syntax
that it parses. For example, when we fix
http://code.google.com/p/sympy/issues/detail?id=3051.
Second, it's not clear to me what that should do. Should we consider
it to be Symbol('distance traveled')/Symbol('time traveled')? Or
should we consider it as
Symbol('distance')*Symbol('traveled')/Symbol('time')*Symbol('travelled').
Finally, the goal of sympify() is to parse expressions in legal Python
syntax, converting each object into SymPy objects. Whitespace has a
different precedence level in Python than what you want to give it
here.
Aaron Meurer
On Sat, Mar 17, 2012 at 7:12 PM, smichr <[email protected]> wrote:
> If we allow sympify to remove spaces then one can sympify an
> expression like
>
> >>> S('distance travelled/time travelled')
> distancetravelled/timetravelled
>
> Is that ok?
>
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