python3制作简单的ip提取

内容简介：python3制作简单的ip提取

python3制作简单的ip提取

这里先介绍一下任务，前一段时间布置下来一项任务，给一个ip文档，将其中山西省的ip筛选出来，要两周内完成任务。由于接下来两周的电工实习，实习完又是各种考试，导致任务一直没时间进行，直到放假了才有多余的时间来做这项任务。下面是我做的笔记简单介绍，不懂的地方欢迎留言！

准备环境 python 3，win10系统，当然 linux 更好，win下需要安装reuqests模块（调用第三方接口进行ip归属地查询需要发起请求）

C:\Users\92039\Desktop>pip install requests
Collecting requests
  Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
100% |████████████████████████████████| 92kB 533kB/s
Collecting chardet<3.1.0,>=3.0.2 (from requests)
  Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
100% |████████████████████████████████| 143kB 970kB/s
Collecting idna<2.7,>=2.5 (from requests)
  Downloading idna-2.6-py2.py3-none-any.whl (56kB)
100% |████████████████████████████████| 61kB 1.4MB/s
Collecting urllib3<1.23,>=1.21.1 (from requests)
  Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
100% |████████████████████████████████| 133kB 848kB/s
Collecting certifi>=2017.4.17 (from requests)
  Downloading certifi-2018.1.18-py2.py3-none-any.whl (151kB)
100% |████████████████████████████████| 153kB 1.2MB/s
Installing collected packages: chardet, idna, urllib3, certifi, requests
Successfully installed certifi-2018.1.18 chardet-3.0.4 idna-2.6 requests-2.18.4 urllib3-1.22

我这里调用阿里的第三方接口进行IP归属地查询,接口地址 http://ip.taobao.com/instructions.php

接口描述

1. 请求接口（GET）：
/service/getIpInfo.php?ip=[ip地址字串]
2. 响应信息：
（json格式的）国家 、省（自治区或直辖市）、市（县）、运营商
3. 返回数据格式：
{"code":0,"data":{"ip":"210.75.225.254","country":"\u4e2d\u56fd","area":"\u534e\u5317",
"region":"\u5317\u4eac\u5e02","city":"\u5317\u4eac\u5e02","county":"","isp":"\u7535\u4fe1",
"country_id":"86","area_id":"100000","region_id":"110000","city_id":"110000",
"county_id":"-1","isp_id":"100017"}}
其中code的值的含义为，0：成功，1：失败。

这里大概介绍一下思路，读取文件，定义函数，进行循环，发起请求，接收参数，判断，筛选并写入文件，完成。

运行python文件先写头文件格式，告诉系统运行python3的代码，并且以utf-8编码

#!usr/bin/python3
#-*-coding:utf-8-*-

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests   #引入requests模块
def checkip(ip):  #定义函数
pass          #在写程序前先pass查看程序基本框架，运行程序查看是否有错

import requests
#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
    URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
    r = requests.get('URL',timeout=3) #发起get请求并设置超时
    print('test') #此处设置断点查看代码是否有错
ip = '118.81.96.128'
checkip(ip)    

运行代码结果如下，初步判断代码应该没问题

C:\Users\92039\Desktop>python 2.py test

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
    URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
    r = requests.get('URL',timeout=3)
    print('test') #此处设置断点查看代码是否有错
ip = '118.81.96.128'
checkip(ip)

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
    URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
    r = requests.get('URL',timeout=3)
    json_data = r.json() #接收到的json传递给json_data
    region = json_data[u'data'][u'region'] #解析到json地区名传递给region
    print('test')  #检验是否有错
ip = '118.81.96.128'
checkip(ip)

region = json_data[u'data'][u'region']

此处代码是按照接口返回的json的格式来写的

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
    URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
    r = requests.get('URL',timeout=3)
    json_data = r.json()
    region = json_data[u'data'][u'region']
    print(region)  #输出查询到的地区名
ip = '118.81.96.128'
checkip(ip)

C:\Users\92039\Desktop>python 2.py

山西省

测试成功

def yichang():
try:
        x = 1/0
except ZeroDivisionError as err:
        print('异常：', err)
yichang()

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
try:
        URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
        r = requests.get(URL,timeout=3)
        json_data = r.json()
        region = json_data[u'data'][u'region']
        print(region)
except:
pass
ip = '118.81.96.128'
checkip(ip)

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
try:
        URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
        r = requests.get(URL,timeout=3)
        json_data = r.json()
        region = json_data[u'data'][u'region']
if region == '山西省':
pass
else:
pass
except:
pass
ip = '118.81.96.128'
checkip(ip)

file = open("a.txt")
data = file.read()
file.close()

with open("a.txt") as f:
    data = f.read()

with open('ips.txt') as f:       #打开ips这个文本文档作为f
    ips = f.read().split("\n")   #读取整个文档并去除换行符
for ip in ips:               
        print(ip)                #循环打印读取到的ip

222.31.41.253 #山西省
202.12.15.52  #日本
61.135.169.12 #北京

运行结果

C:\Users\92039\Desktop>python 3.py
222.31.41.253 202.12.15.52 61.135.169.121

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
try:
        URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
        r = requests.get(URL,timeout=3)
        json_data = r.json()
        region = json_data[u'data'][u'region']
if region == '山西省':
            print(ip)
else:
pass
except:
pass
with open('ips.txt') as f:
    ips = f.read().split("\n")
for ip in ips:
        print(ip)
        checkip(ip)

C:\Users\92039\Desktop>python 2.py 222.31.41.253  222.31.41.253  202.12.15.52 61.135.169.121 

with open('a.txt','a') as fw:   #打开a.txt文档，没有则创建一个，a模式不会改动原有数据
for i in range(5):
        fw.write('\na')

原有数据
1
2
3
4

将写入文件的2行代码加入

#!usr/bin/python3
#-*-coding:utf-8-*-
import requests
def checkip(ip):
try:
        URL = 'http://ip.taobao.com/service/getIpInfo.php?ip=' + ip
        r = requests.get(URL,timeout=3)
        json_data = r.json()
        region = json_data[u'data'][u'region']
if region == '山西省':
with open('a.txt','a') as fw:
                fw.write('\n' + ip)
else:
pass
except:
pass
with open('ips.txt') as f:       #此处的ips.txt是需要事先给出的
    ips = f.read().split("\n")
for ip in ips:
        checkip(ip)

运行脚本

C:\Users\92039\Desktop>python 2.py

会在桌面创建一个a.txt文档，结果为

222.31.41.253

这是一个简单的ip提取器，没有加入多线程，我是python小白，很多地方还不了解，在写这个脚本时候读取文件和写入文件都是直接去百度上现学现买的，不完美之处欢迎大家提出！

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