make_stub_files.py 文件源码

def format_arguments(self, node):
        '''
        Format the arguments node.
        Similar to AstFormat.do_arguments, but it is not a visitor!
        '''
        assert isinstance(node,ast.arguments), node
        args = [self.raw_format(z) for z in node.args]
        defaults = [self.raw_format(z) for z in node.defaults]
        # Assign default values to the last args.
        result = []
        n_plain = len(args) - len(defaults)
        # pylint: disable=consider-using-enumerate
        for i in range(len(args)):
            s = self.munge_arg(args[i])
            if i < n_plain:
                result.append(s)
            else:
                result.append('%s=%s' % (s, defaults[i - n_plain]))
        # Now add the vararg and kwarg args.
        name = getattr(node, 'vararg', None)
        if name:
            if hasattr(ast, 'arg'): # python 3:
                name = self.raw_format(name)
            result.append('*' + name)
        name = getattr(node, 'kwarg', None)
        if name:
            if hasattr(ast, 'arg'): # python 3:
                name = self.raw_format(name)
            result.append('**' + name)
        return ', '.join(result)