[Python-Dev] 2to3 and print function

Wed Mar 19 23:44:10 CET 2008

On Wed, Mar 19, 2008 at 12:04 PM, David Wolever <wolever at cs.toronto.edu> wrote:
> At the moment, fix_print.py does the Right Thing when it finds ``from
> __future__ import print_function``... But the 2to3 parser gets upset
> when print() is passed kwargs:
> $ cat x.py
> from __future__ import print_function
> print("Hello, world!", end=' ')
> $ 2to3 x.py
> ...
> RefactoringTool: Can't parse x.py: ParseError: bad input: type=22,
> value='=', context=('', (2, 26))
>> What would be the best way to start fixing this?
>> #2412 is the related bug.

You can pass -p to refactor.py to fix this on a per-run basis. See
r58002 (and the revisions it mentions) for a failed attempt to do this
automatically.