python模块学习string之造测试数据

#! /usr/bin/python
# coding:utf-8 
""" 
@author:Bingo.he 
@file: data_factory.py 
@time: 2017/12/21 
"""
import socket
import struct
import string
import random

def random_phoneNo():
    """获取随机号码"""
    return ‘1‘ + ‘‘.join(random.choice(string.digits) for i in range(10))


def random_upper_code(length):
    """获取大写字母与数字的随机码"""
    return ‘‘.join(random.choice(string.ascii_uppercase + string.digits) for i in range(length))


def random_lower_code(length):
    """获取小写字母与数字的随机码"""
    return ‘‘.join(random.choice(string.ascii_lowercase + string.digits) for i in range(length))


def random_IP():
    """获取随机IP"""
    RANDOM_IP_POOL = [‘202.69.19.222/0‘]
    str_ip = RANDOM_IP_POOL[random.randint(0, len(RANDOM_IP_POOL) - 1)]
    str_ip_addr = str_ip.split(‘/‘)[0]
    str_ip_mask = str_ip.split(‘/‘)[1]
    ip_addr = struct.unpack(‘>I‘, socket.inet_aton(str_ip_addr))[0]
    mask = 0x0
    for i in range(31, 31 - int(str_ip_mask), -1):
        mask = mask | (1 << i)
    ip_addr_min = ip_addr & (mask & 0xffffffff)
    ip_addr_max = ip_addr | (~mask & 0xffffffff)
    return socket.inet_ntoa(struct.pack(‘>I‘, random.randint(ip_addr_min, ip_addr_max)))