make_stub_files.py 文件源码

def do_arguments(self, node):
        '''Format the arguments node.'''
        kind = self.kind(node)
        assert kind == 'arguments', kind
        args = [self.visit(z) for z in node.args]
        defaults = [self.visit(z) for z in node.defaults]
        # Assign default values to the last args.
        args2 = []
        n_plain = len(args) - len(defaults)
        for i in range(len(args)):
            if i < n_plain:
                args2.append(args[i])
            else:
                args2.append('%s=%s' % (args[i], defaults[i - n_plain]))
        if isPython3:
            args  = [self.visit(z) for z in node.kwonlyargs]
            defaults = [self.visit(z) for z in node.kw_defaults]
            n_plain = len(args) - len(defaults)
            for i in range(len(args)):
                if i < n_plain:
                    args2.append(args[i])
                else:
                    args2.append('%s=%s' % (args[i], defaults[i - n_plain]))
            # Add the vararg and kwarg expressions.
            vararg = getattr(node, 'vararg', None)
            if vararg: args2.append('*' + self.visit(vararg))
            kwarg = getattr(node, 'kwarg', None)
            if kwarg: args2.append('**' + self.visit(kwarg))
        else:
            # Add the vararg and kwarg names.
            name = getattr(node, 'vararg', None)
            if name: args2.append('*' + name)
            name = getattr(node, 'kwarg', None)
            if name: args2.append('**' + name)
        return ','.join(args2)

    # 3: arg = (identifier arg, expr? annotation)