Python threading 并发 面向对象

import random
import time
from threading import Thread


class MyThread(Thread):
    def __init__(self, name):
        Thread.__init__(self)
        self.name = name

    def run(self):
        try:
            getattr(MyThread, self.name)
            names = 'self.{0}'.format(self.name)
            eval(names)()
        except Exception as e:
            print e


    def test_1(self):
        print '{} start'.format(self.name)
        time.sleep(random.randrange(1, 5))
        print '{} end'.format(self.name)

    def test_2(self):
        print '{} start'.format(self.name)
        time.sleep(random.randrange(1, 5))
        print '{} end'.format(self.name)


if __name__ == '__main__':
    t1 = MyThread('test_1')
    t2 = MyThread('test_2')
    t1.start()
    t2.start()