测试文件检索用的

import os, random, string

year_all = ['2010', '2011', '2012', '2013', '2014'] 
month_all = range(1, 13)
day_all = range(1, 32)
location = '/home/plum/Develop/redleaf/data/'

def name_pick(time):
    name = ''
    for i in range(time):
        name = name + random.choice(string.ascii_letters)
    return name

def random_thing(list):
    d = str(random.choice(list))
    if len(d) < 2:
        d = '0' + d
    return d

for i in range(2000):
    filename = random.choice(year_all) + random_thing(month_all) + random_thing(day_all) + '-' + name_pick(10) + '.pdf'
    finalcmd = 'touch {a}{b}'.format(a=location, b=filename)
    os.popen(finalcmd) 
    print ('{cmd}运行正常'.format(cmd=finalcmd))