2to3 [options] file|dir ...


-h, --help

show this help message and exit

-d, --doctests_only

Fix up doctests only

-f FIX, --fix=FIX

Each FIX specifies a transformation; default: all


Run 2to3 concurrently

-x NOFIX, --nofix=NOFIX

Prevent a transformation from being run

-l, --list-fixes

List available transformations

-p, --print-function

Modify the grammar so that print() is a function

-v, --verbose

More verbose logging


Don't show diffs of the refactoring

-w, --write

Write back modified files

-n, --nobackups

Don't write backups for modified files