I didn't test it extensively, but I think it should be enough to
override the sort_key method
class Colored(Expr):
def sort_key(self, order=None):
return self.args[0].sort_key(order=order)
Aaron Meurer
On Thu, Mar 25, 2021 at 9:43 AM Paul Royik <distantjob...@gmail.com> wrote:
>
> Also, what is the best way to set a color? Setting color in args is not a
> very good idea, as color is a string.
>
> On Thursday, March 25, 2021 at 4:06:42 PM UTC+2 Paul Royik wrote:
>>
>> I want to create a class that makes expression colored.
>> class Colored(Expr):
>> pass
>>
>> How do I make Colored behave exactly as its arg, when I sort args?
>>
>> (x+Colored(2)).as_ordered_terms() should give the same as
>> (x+2).as_ordered_terms()
>> (x*Colored(y)).as_ordered_factors() should give the same as
>> (x*y).as_ordered_factors()
>> Do I need to override some methods?
>
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