Sublime3 自动添加Python头部注释信息

import sublime, sublime_plugin
import datetime

class PyHeadCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        self.view.run_command("insert_snippet",
            {
                "contents":"#!/usr/bin/env python""\n"
                "#-*- coding:utf-8 -*- ""\n"
                "# 作者: xxxx""\n"
                "# 邮箱: xxxx@qq.com\n"
                "# 时间: ""%s" %datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") +"\n"
                "# 描述: xxxx""\n"
                "\n"
            }
        )

{"command":"py_head","keys":["ctrl+enter"]},