python版本的仿windows计划任务工具

# -*- coding: utf-8 -*-

"""
Module implementing App.
"""

from PyQt4.QtGui import QMainWindow
from PyQt4.QtCore import pyqtSignature
import time,os
import QtUtil
import shutil
import time

from v.Ui_App import Ui_MainWindow

class App(QMainWindow, Ui_MainWindow):
  """
  Class documentation goes here.
  """
  def __init__(self, parent = None):
    """
    Constructor
    """
    QMainWindow.__init__(self, parent)
    self.setupUi(self)
    
    # 创建'res/command'文件夹
    if os.path.exists('res/command'):
      pass
    else:
      os.mkdir('res/command')
    
#     self.startDate.textFromDateTime()
  
  
  @pyqtSignature("")
  def on_run_btn_clicked(self):
    """
            创建任务.
    """   
    
    # 在查询栏显示的内容
    cmd = self.taskRun.toPlainText()
    # 构建'res/command/01.txt'文件
    if not os.path.exists('res/command/01.txt'):
      m = open('res/command/01.txt','w')
      m.close()
    p = str(self.modifier.text())
    # 判断日期是否正确
    if self.endDate.text() <= self.startDate.text():
      QtUtil.showOkDialog(self, u'日期出错', u'结束日期要大于开始日期')
    
    elif not p.isdigit():
      QtUtil.showOkDialog(self, u'频率出错', u'运行频率必须为整数')
      
    else:
      # 如果任务条件不完整，则创建失败
      if self.taskName.text()=='' or self.modifier.text()=='' or cmd=='':
        QtUtil.showOkDialog(self, u'创建失败', u'任务内容缺失')
      else:
        # 读取'res/command'下所有文件的文件名到filename
        for root, dirs, files in os.walk('res/command'):
          for file in files:
            filename = open('res/filename.txt','a')
            filename.write('/')
  #           filename.truncate()
            filename.write(str(file))
            filename.close()
            filename1 = open('res/filename.txt')
            fn = filename1.read()
            filename1.close()
        print fn
        print '/' + str(self.taskName.text()) + '.cmd'
        # 如果任务名在filename中能找到，则说明任务已经存在
        if '/' + str(self.taskName.text()) + '.cmd' in fn:
          QtUtil.showOkDialog(self, u'创建失败', u'任务已存在')
           
        else:
          
          # 任务内容
          if self.schedule.currentText() == 'monthly':
            print 'monthly'
            run = 'schtasks /create /tn '+ self.taskName.text() + ' /tr '+os.getcwd()+'/res/command/'+self.taskName.text()+'.bat /sc ' + self.schedule.currentText() + ' /d ' +self.modifier.text() + ' /m ' + self.month.currentText() + ' /st ' + self.timeEdit.text() + ' /sd ' + self.startDate.text() + ' /ed ' + self.endDate.text()
          elif self.schedule.currentText() == 'once':
            print 'once'
            run = 'schtasks /create /tn '+ self.taskName.text() + ' /tr '+os.getcwd()+'/res/command/'+self.taskName.text()+'.bat /sc ' + self.schedule.currentText() + ' /st ' + self.timeEdit.text() + ' /sd ' + self.startDate.text() 
            if self.startDate.text() < time.strftime('%Y/%m/%d') or (self.timeEdit.text() <= time.strftime('%H:%M:%S') and self.startDate.text() == time.strftime('%Y/%m/%d')) :
              QtUtil.showOkDialog(self, u'时间错误', u'设置时间早于当前时间')
              return
          else: 
            print 'not monthly'
            run = 'schtasks /create /tn '+ self.taskName.text() + ' /tr '+os.getcwd()+'/res/command/'+self.taskName.text()+'.bat /sc ' + self.schedule.currentText() + ' /mo ' +self.modifier.text() + ' /st ' + self.timeEdit.text() + ' /sd ' + self.startDate.text() + ' /ed ' + self.endDate.text()
          
          # 创建命令文件
          fd = open('res/command/'+self.taskName.text()+'.bat','w')
          fd.write(cmd)
          fd.close()
          
          # 创建任务文件
          f = open('res/command/'+self.taskName.text()+'.cmd','w')
          f.write(run)
          f.close()
          # 创建任务
          os.system(os.getcwd()+'\\res\command\\'+str(self.taskName.text())+'.cmd')
          QtUtil.showOkDialog(self, u'创建成功', u'创建成功')
  @pyqtSignature("")
  def on_delete_btn_clicked(self):
    """
            删除任务.
    """
    # 强制删除删除框内任务
    x=os.system('schtasks /delete /tn '+str(self.taskDelete.text()).decode('gbk')+' /f')
    # 如果已经任务已经删除，则报任务不存在
    if x==1:
      QtUtil.showOkDialog(self, u'删除失败', u'任务名错误或不存在该任务')
    else:
      os.remove('res/filename.txt')
      
      
      if os.path.exists('res/command/'+self.taskDelete.text()+'.cmd'):
        os.remove('res/command/'+str(self.taskDelete.text())+'.bat')
        os.remove('res/command/'+str(self.taskDelete.text())+'.cmd')
        
      # 读取'res/command'下所有文件的文件名到filename
      for root, dirs, files in os.walk('res/command'):
        for file in files:
          filename = open('res/filename.txt','a')
          filename.write('/')
#           filename.truncate()
          filename.write(str(file))
          filename.close()
          filename1 = open('res/filename.txt')
          fn = filename1.read()
          filename1.close()
      # 删除任务，并删除命令文件与任务文件
      QtUtil.showOkDialog(self, u'删除成功', u'删除成功') 
      
  @pyqtSignature("")
  def on_query_btn_clicked(self):
    """
            查询任务.
    """
    # 调整 936 为 437 美国编码，才可运行
    os.system('chcp 437')
    # 查询任务
    os.system('schtasks /query')
    # 在生成新log文件前先删除以前的log文件
    if os.path.exists('res/log.txt'):
      os.remove('res/log.txt')
    
    # 遍历'res/command'的所有文件，将所有文件内容复制到log文件中
    for root, dirs, files in os.walk('res/command'):
      for file in files:
        dir = str(root)+'/'+str(file)
        f = open(dir,'r')
        scripts = f.read()
        new_path_filename = 'res/log.txt'
        
        f = open(new_path_filename, 'a')
        f.write(scripts) 
        f.write('\n')
        f.close()
    # 读取log文件
    if os.path.exists('res/log.txt'):
      fd=open('res/log.txt')
      info = fd.read()
      fd.close()
      # 在查询窗口显示log文件内容
      self.taskQuery.setText(str(info))
    else:
      QtUtil.showOkDialog(self, u'失败', u'不存在任务')
  
  @pyqtSignature("")
  def on_delall_btn_clicked(self):
    """
            清空任务.
    """
    os.system('schtasks /delete /tn * /f')
    if os.path.exists('res/log.txt'):
      os.remove('res/log.txt')
    if os.path.exists('res/filename.txt'):  
      os.remove('res/filename.txt')
    shutil.rmtree('res/command')
    os.mkdir('res/command')
    QtUtil.showOkDialog(self, u'成功', u'任务清空')