Functions with human-readable representations

named_func.py

import inspect

def named_func(f):
    return type('named_func', (), {
            '__call__': lambda s, *a, **k: f(*a, **k),
            '__repr__': lambda s: inspect.getsource(f),
            '__str__': lambda s: f.__name__,
            '__name__': f.__name__,
            '__doc__': f.__doc__,
            })()


>>> @named_func
... def foo(x):
...   return x*x
... 
>>> print(repr(foo))
@named_func
def foo(x):
    return x*x