Any way to override the and operator in Python?
Question:
I tried overriding __and__, but that is for the & operator, not and – the one that I want. Can I override and?
Answers:
Not really. There’s no special method name for the short-circuit logic operators.
You cannot override the and, or, and not boolean operators.
No you can’t override and and or. With the behavior that these have in Python (i.e. short-circuiting) they are more like control flow tools than operators and overriding them would be more like overriding if than + or -.
You can influence the truth value of your objects (i.e. whether they evaluate as true or false) by overriding __nonzero__ (or __bool__ in Python 3).
Although you can’t overload __and__ you can use infix to overload and. You would use &and& to represent the and operator in this case.
I tried overriding __and__, but that is for the & operator, not and – the one that I want. Can I override and?
Not really. There’s no special method name for the short-circuit logic operators.
You cannot override the and, or, and not boolean operators.
No you can’t override and and or. With the behavior that these have in Python (i.e. short-circuiting) they are more like control flow tools than operators and overriding them would be more like overriding if than + or -.
You can influence the truth value of your objects (i.e. whether they evaluate as true or false) by overriding __nonzero__ (or __bool__ in Python 3).
Although you can’t overload __and__ you can use infix to overload and. You would use &and& to represent the and operator in this case.