autodoc.py 文件源码

def format_args(self):
        # for classes, the relevant signature is the __init__ method's
        initmeth = self.get_attr(self.object, '__init__', None)
        # classes without __init__ method, default __init__ or
        # __init__ written in C?
        if initmeth is None or \
                is_builtin_class_method(self.object, '__init__') or \
                not(inspect.ismethod(initmeth) or inspect.isfunction(initmeth)):
            return None
        try:
            argspec = getargspec(initmeth)
        except TypeError:
            # still not possible: happens e.g. for old-style classes
            # with __init__ in C
            return None
        if argspec[0] and argspec[0][0] in ('cls', 'self'):
            del argspec[0][0]
        return formatargspec(*argspec)