[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Change by Raymond Hettinger : -- stage: -> resolved status: pending -> closed ___ Python tracker ___ ___ Python-bugs-list mailing

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Irit Katriel added the comment: We're not going to make changes in python 2 anymore, so this can be closed, right? -- nosy: +iritkatriel resolution: -> out of date status: open -> pending ___ Python tracker

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Change by Karthikeyan Singaravelan : -- nosy: +xtreak ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Stefan Behnel added the comment: > cmp(a,b) can be replaced with (a>b)-(a b" and "a < b" both return something that supports the minus operator, such as a boolean value. That might not be the case, and it is definitely impossible to infer

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Ayush added the comment: I believe 2to3 should be able to replicate the same results of cmp function in python 3 too. I can create a PR which will allow the library to handle it. For example, a function call cmp(a,b) can be replaced with (a>b)-(a

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Change by Ned Deily : -- nosy: +benjamin.peterson ___ Python tracker ___ ___

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

Raymond Hettinger added the comment: The stated goal of -3 is "warn about Python 3.x incompatibilities that 2to3 cannot trivially fix", so this use case seems like a good match. On the other hand, adding this to -3 would be somewhat noisy since __cmp__ is

[issue32915] Running Python 2 with -3 flag doesn't complain about cmp/__cmp__

New submission from Trey Hunner : I might be misunderstanding the use of the -3 flag, but it seems like cmp() and __cmp__ should result in warnings being displayed. -- components: 2to3 (2.x to 3.x conversion tool) files: caseless.py messages: 312604 nosy: trey