Re: How to subclass a built-in int type and prevent comparisons

On Feb 29, 3:09 pm, "Terry Reedy" <tjre...@xxxxxxxx> wrote:
"Bronner, Gregory" <gregory.bron...@xxxxxxxxxx> wrote in message

news:21CFA1FC32D3214EBFA2F449FF211E310EAD2948@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
| The native implementation of int goes to great lengths to allow
| illogical comparisons such as the one below.
| >>> import xml as x
| >>> x
| >>> <module 'xml' from 'c:\python25\lib\xml\__init__.pyc'>
|
| >>> x>4
| True
| >>> x<4
| False

Python once made all objects comparable.
No longer true.
'Illogical' comparisons will raise exceptions in 3.0
but must be maintained in 2.x for back compatibility.

tjr

Tell Wall. But why not [ 2, 3 ]>= 2? Back to your question, another
option is to not subclass.
.