On 24/01/2015 23:41, Gary Herron wrote: [snip]> > You can always "monkey-path" the Fraction class on the fly to add a new > method to it. I think most would consider this a bad idea, but it does > work. > Try this: > >>>> from fractions import Fraction >>>> def is_integer(self): > ... return self.numerator % self.denominator == 0 > ... >>>> Fraction.is_integer = is_integer # Monkey-patch Fraction >>>> >>>> Fraction(1,2).is_integer() > False >>>> Fraction(2,1).is_integer() > True
Thanks Gary. As Chris says, the method he suggests is problematic since anything delegated returns a Fraction, not an RF. Patching Fraction looks nicer to use even if it is frowned on. Brian -- https://mail.python.org/mailman/listinfo/python-list