Sublime Text plugin to insert current datetime

insert_time.py

import sublime, sublime_plugin, datetime

class InsertTimeCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        date_time = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')

        for r in self.view.sel():
            self.view.replace(edit, r, date_time)