pthon tarfile模块使用

tarfile模块使用

# encoding=utf-8
import tarfile
import os
import threading
import time
import multiprocessing
import datetime

if_tar_complete = False
lock = threading.Lock()

def get_if_tar_complete():
    global if_tar_complete
    lock.acquire()
    if_tar_complete_tmp = if_tar_complete
    lock.release()
    return if_tar_complete_tmp
    
def set_if_tar_complete_true():
    global if_tar_complete
    lock.acquire()
    if_tar_complete = True
    lock.release()

def read_file():
    global if_tar_complete
    starttime = datetime.datetime.now()
    time.sleep(0.1)
    while(not get_if_tar_complete()):
        if(get_if_tar_complete()):
            print("true")
        else:
            print("false")
        with tarfile.open("sample.tar", "r") as tar:
            file_num = 0
            dic_num = 0
            other_num = 0
            all_num = 0
            for tarinfo in tar:
                all_num = all_num + 1
                print tarinfo.name, "is", tarinfo.size, "bytes in size and is",
                if tarinfo.isreg():
                    file_num = file_num + 1
                    print "a regular file."
                elif tarinfo.isdir():
                    dic_num = dic_num + 1
                    print "a directory."
                else:
                    other_num = other_num + 1
                    print "something else."
                    
            print(file_num)
            print(dic_num)
            print(other_num)
            print(all_num)
            str = r"file_num : %s dic_num : %s other_num: %s all_num: %s"%(file_num, dic_num,  other_num, all_num)
            with open("/home/zxdb6/test/result", "w") as f:
                f.write(str)
            endtime = datetime.datetime.now()
            print '运行时间：%ds'%((endtime-starttime).seconds)
            time.sleep(0.1)
        
def tar_file():
    global if_tar_complete
    
    with tarfile.open("sample.tar", "w") as tar:
        tar.add("/home/zxdb6/data")
    print("tar success")
    set_if_tar_complete_true()
    
if __name__ == '__main__': 
    t1 =threading.Thread(target=tar_file,args=())
    t2 =threading.Thread(target=read_file,args=())


    t1.start()
    t2.start()

    t1.join()
    t2.join()