python clear hack

clearhack.py

# saran = clear wrap. get it?
def saran(f):
    def g(*args, **kwargs):
        d = f(*args, **kwargs)
        try:
            _clear = d.pop('clear')
        except KeyError:
            return d
        d['clear'] = _clear
        return d
    return g

vars = saran(vars)
locals = saran(locals)
globals = saran(globals)

del saran