autodoc.py 文件源码

def format_args(self):
        if inspect.isbuiltin(self.object) or \
                inspect.ismethoddescriptor(self.object):
            # cannot introspect arguments of a C function or method
            return None
        try:
            argspec = getargspec(self.object)
        except TypeError:
            if (is_builtin_class_method(self.object, '__new__') and
               is_builtin_class_method(self.object, '__init__')):
                raise TypeError('%r is a builtin class' % self.object)

            # if a class should be documented as function (yay duck
            # typing) we try to use the constructor signature as function
            # signature without the first argument.
            try:
                argspec = getargspec(self.object.__new__)
            except TypeError:
                argspec = getargspec(self.object.__init__)
                if argspec[0]:
                    del argspec[0][0]
        args = formatargspec(*argspec)
        # escape backslashes for reST
        args = args.replace('\\', '\\\\')
        return args