pigrow_remote.py 文件源码

def update_cron_click(self, e):
        #make a text file of all the cron jobs
        cron_text = ''
        startup_num = cron_list_pnl.startup_cron.GetItemCount()
        for num in range(0, startup_num):
            cron_line = ''
            if cron_list_pnl.startup_cron.GetItemText(num, 1) == 'False':
                cron_line += '#'
            cron_line += '@reboot ' + cron_list_pnl.startup_cron.GetItemText(num, 3) # cron_task
            cron_line += ' ' + cron_list_pnl.startup_cron.GetItemText(num, 4) # cron_extra_args
            cron_line += ' ' + cron_list_pnl.startup_cron.GetItemText(num, 5) # cron_comment
            cron_text += cron_line + '\n'
        repeat_num = cron_list_pnl.repeat_cron.GetItemCount()
        for num in range(0, repeat_num):
            cron_line = ''
            if cron_list_pnl.repeat_cron.GetItemText(num, 1) == 'False':
                cron_line += '#'
            cron_line += cron_list_pnl.repeat_cron.GetItemText(num, 2).strip(' ')
            cron_line += ' ' + cron_list_pnl.repeat_cron.GetItemText(num, 3) # cron_task
            cron_line += ' ' + cron_list_pnl.repeat_cron.GetItemText(num, 4) # cron_extra_args
            cron_line += ' ' + cron_list_pnl.repeat_cron.GetItemText(num, 5) # cron_comment
            cron_text += cron_line + '\n'
        onetime_num = cron_list_pnl.timed_cron.GetItemCount()
        for num in range(0, onetime_num):
            cron_line = ''
            if cron_list_pnl.timed_cron.GetItemText(num, 1) == 'False':
                cron_line += '#'
            cron_line += cron_list_pnl.timed_cron.GetItemText(num, 2).strip(' ')
            cron_line += ' ' + cron_list_pnl.timed_cron.GetItemText(num, 3) # cron_task
            cron_line += ' ' + cron_list_pnl.timed_cron.GetItemText(num, 4) # cron_extra_args
            cron_line += ' ' + cron_list_pnl.timed_cron.GetItemText(num, 5) # cron_comment
            cron_text += cron_line + '\n'
        # ask the user if they're sure
        msg_text = "Update cron to; \n\n" + cron_text
        mbox = wx.MessageDialog(None, msg_text, "Are you sure?", wx.YES_NO|wx.ICON_QUESTION)
        sure = mbox.ShowModal()
        if sure == wx.ID_YES:
            print "Updating remote cron"
            # save cron text onto pigrow as text file then import into cron
            sftp = ssh.open_sftp()
            try:
                tempfolder = '/home/pi/Pigrow/temp'
                sftp.mkdir(tempfolder)
            except IOError:
                pass
            f = sftp.open(tempfolder + '/remotecron.txt', 'w')
            f.write(cron_text)
            f.close()
            try:
                stdin, stdout, stderr = ssh.exec_command("crontab " + tempfolder + '/remotecron.txt')
                responce = stdout.read()
                error = stderr.read()
                print responce, error
            except Exception as e:
                print("this ain't right, it just ain't right! " + str(e))
        else:
            print("Updating cron cancelled")
        mbox.Destroy()
        #refresh cron list
        self.read_cron_click("event")