Automatically close old tabs in sublime 2

TidyUp.py

import sublime
import sublime_plugin

import time


DEFAULT_KEEP_OPEN = 8


class TidyUpCommand(sublime_plugin.EventListener):
    def __init__(self):
        self.views = {}


    def on_activated(self, view):
        if not view.file_name():
            return

        settings = view.settings().get('TidyUp', {})
        if not settings.get('mode', 'auto') == 'auto':
            return

        self.views[view.id()] = time.time()

        keep_open = settings.get('keep_open', DEFAULT_KEEP_OPEN)

        if len(self.views.keys()) > keep_open:
            self.tidy_up(view.window(), keep_open)

    def tidy_up(self, window, keep_open):
        views = sorted(self.views.items(), key=lambda (id, timestamp): timestamp)
        # print views

        for id, _ in views[:-keep_open]:
            for view in window.views():

                if (not view.is_dirty() and not view.is_scratch()
                    and view.id() == id):

                    # print "Remove %s" % id, view.file_name()
                    group, index = window.get_view_index(view)
                    window.run_command('close_by_index',
                                       dict(group=group, index=index))


        self.views = dict(views[-keep_open:])

    # def on_new(self, view):

    # def on_load(self, view):

    # def on_close(self, view):