util.py 文件源码

def mergeFunctionMetadata(f, g):
    """
    Overwrite C{g}'s docstring and name with values from C{f}.  Update
    C{g}'s instance dictionary with C{f}'s.
    """
    try:
        g.__doc__ = f.__doc__
    except (TypeError, AttributeError):
        pass
    try:
        g.__dict__.update(f.__dict__)
    except (TypeError, AttributeError):
        pass
    try:
        g.__name__ = f.__name__
    except TypeError:
        try:
            g = new.function(
                g.func_code, g.func_globals,
                f.__name__, inspect.getargspec(g)[-1],
                g.func_closure)
        except TypeError:
            pass
    return g