dedenting helpers for use with vim

dedent.py

#!/usr/bin/env python
from textwrap import dedent

if __name__ == '__main__':
    from sys import stdin
    exec dedent(''.join(stdin)) in locals(), globals()

dedent3.py

#!/usr/bin/env python3
from textwrap import dedent

if __name__ == '__main__':
    from sys import stdin
    exec(dedent(''.join(stdin)), locals(), globals())

Use in vim to send lines from an unsaved file directly to an interpreter:

:'<,'>w ! dedent.py