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ip和整型的互换

'''
整数转换成二进制
'''
def bin_ary(number):
    if not number.isdigit():
        print('enter your number')
    else:
        number = int(number)
        s = ''
        while(number // 2 >= 1):
            remainder = number % 2  #余数
            quotient = number // 2  #商数
            s = str(remainder) + s
            number = quotient
            print('number:', number)
        s = str(number) + s
        return s
 
'''
二进制转换成数值
'''
def int_ary(number):
    number_len = len(number)
    sum = 0
    for i in range(number_len):
        sum = sum + (2**i) * int(number[number_len - 1 - i])
    return sum
 
'''
ip转换成整数
'''
def ip_change_digit(ip):
    strs = ip.split('.')
    ip_strs = ''
    for i in strs:
        result = bin_ary(i)
        result_len = len(result)
        if result_len > 8:
            print('your ip is error')
        elif result_len < 8:
            for i in range(8 - result_len):
                result = str(0) + result
        print(result)
        ip_strs = ip_strs + result
 
    return int_ary(ip_strs)
 
'''
整数转换成ip
'''
def digit_change_ip(digit):
    s = bin_ary(digit)
    print(s)
    ip_len = len(s)
    if ip_len > 32:
        print('your number is error')
    elif ip_len <= 32:
        for i in range(32 - ip_len):
            s = str(0) + s
        li = []
        li.append(s[0:8])
        li.append(s[8:16])
        li.append(s[16:24])
        li.append(s[24:32])
        print(li)
        for i in range(len(li)):
            li[i] = str(int_ary(li[i]))
        result = ('.').join(li)
        return result
 
 
 
 
if __name__ == '__main__':
    print(digit_change_ip(str(ip_change_digit('1270.101.101.11'))))