python argparse模块通过后台传递参数实例

cmd.py
# -*- coding: utf-8 -*-
from PySide import QtGui, QtCore
import os,sys
import tory
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("-v", "--verbosity", help="increase output verbosity")
parser.add_argument("-l", "--listdir", help="check root")
args = parser.parse_args()

if args.verbosity:
 app = QtGui.QApplication(sys.argv)
 trans = tory.Tuopan()
 trans.show()
 sys.exit(app.exec_())

if args.listdir:
 root=os.listdir(args.listdir)
 for f in root:
  print f
  
tory.py
#coding=utf-8
import sys
from PySide import QtGui
from PySide import QtCore
class Tuopan(QtGui.QWidget):
 def __init__(self):
  super(Tuopan, self).__init__()
  self.setWindowTitle("Tray!")
  self.resize(200,200)    
if __name__ == '__main__':
 app = QtGui.QApplication(sys.argv)
 trans = Tuopan()
 
 trans.show()
 sys.exit(app.exec_())

import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-l', dest = 'name', help = 'name value')#添加命令行参数
args = parser.parse_args()#解析命令行参数
name = args.name#获取命令行参数