3to2(1) Python3 helper to backport code written for Python version 3.x into 2.x

SYNOPSIS

3to2 [,options/] ,file|dir /...

OPTIONS

-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
-j PROCESSES, --processes=,PROCESSES/
Run 3to2 concurrently
-x NOFIX, --nofix=,NOFIX/
Prevent a fixer from being run.
-l, --list-fixes
List available transformations (fixes/fix_*.py)
-v, --verbose
More verbose logging
-w, --write
Write back modified files
-n, --nobackups
Don't write backups for modified files.
--no-diffs
Don't show diffs of the refactoring