[网络爬虫]验证码识别

「爱情、让人受尽委屈。」 2024-04-24 20:33 0阅读 0赞

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**目录**

验证码识别

验证码识别接口

接口用法

--------------------

*  ## 验证码识别 ##
 *  验证码和爬虫之间的爱恨情仇
    
     *  反爬机制
 *  云达码的使用方法
 *  ![0bfb85db662a4a3b966179db8eb454d0.png][]

![f5a89b9b084641928dc73f4e88df7b7c.png][]

import http.client, mimetypes, urllib, json, time, requests
    ######################################################################
    class YDMHttp:
    apiurl = 'http://api.yundama.com/api.php'
    username = ''											#用户名
    password = ''											#用户密码
    appid = ''												#填写开发者软件代码
    appkey = ''												#填写开发者通讯密钥
    def __init__(self, username, password, appid, appkey):
    self.username = username  
    self.password = password
    self.appid = str(appid)
    self.appkey = appkey
    def request(self, fields, files=[]):
    response = self.post_url(self.apiurl, fields, files)
    response = json.loads(response)
    return response
    def balance(self):
    data = {'method': 'balance', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey}
    response = self.request(data)
    if (response):
    if (response['ret'] and response['ret'] < 0):
    return response['ret']
    else:
    return response['balance']
    else:
    return -9001
    def login(self):
    data = {'method': 'login', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey}
    response = self.request(data)
    if (response):
    if (response['ret'] and response['ret'] < 0):
    return response['ret']
    else:
    return response['uid']
    else:
    return -9001
    def upload(self, filename, codetype, timeout):
    data = {'method': 'upload', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey, 'codetype': str(codetype), 'timeout': str(timeout)}
    file = {'file': filename}
    response = self.request(data, file)
    if (response):
    if (response['ret'] and response['ret'] < 0):
    return response['ret']
    else:
    return response['cid']
    else:
    return -9001
    def result(self, cid):
    data = {'method': 'result', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey, 'cid': str(cid)}
    response = self.request(data)
    return response and response['text'] or ''
    def decode(self, filename, codetype, timeout):
    cid = self.upload(filename, codetype, timeout)
    if (cid > 0):
    for i in range(0, timeout):
    result = self.result(cid)
    if (result != ''):
    return cid, result
    else:
    time.sleep(1)
    return -3003, ''
    else:
    return cid, ''
    def report(self, cid):
    data = {'method': 'report', 'username': self.username, 'password': self.password, 'appid': self.appid, 'appkey': self.appkey, 'cid': str(cid), 'flag': '0'}
    response = self.request(data)
    if (response):
    return response['ret']
    else:
    return -9001
    def post_url(self, url, fields, files=[]):
    for key in files:
    files[key] = open(files[key], 'rb');
    res = requests.post(url, files=files, data=fields)
    return res.text
    ######################################################################
    # 用户名
    username    = 'username'
    # 密码
    password    = 'password'                            
    # 软件ＩＤ，开发者分成必要参数。登录开发者后台【我的软件】获得！
    appid       = 1                                     
    # 软件密钥，开发者分成必要参数。登录开发者后台【我的软件】获得！
    appkey      = '22cc5376925e9387a23cf797cb9ba745'    
    # 图片文件
    filename    = 'getimage.jpg'                        
    # 验证码类型，# 例：1004表示4位字母数字，不同类型收费不同。请准确填写，否则影响识别率。在此查询所有类型 http://www.yundama.com/price.html
    codetype    = 1004
    # 超时时间，秒
    timeout     = 60                                    
    # 检查
    if (username == 'username'):
    print('请设置好相关参数再测试')
    else:
    # 初始化
    yundama = YDMHttp(username, password, appid, appkey)
    # 登陆云打码
    uid = yundama.login();
    print('uid: %s' % uid)
    # 查询余额
    balance = yundama.balance();
    print('balance: %s' % balance)
    # 开始识别，图片路径，验证码类型ID，超时时间（秒），识别结果
    cid, result = yundama.decode(filename, codetype, timeout);
    print('cid: %s, result: %s' % (cid, result))
    ######################################################################

--------------------

![5bc761b435564fa78e1289bd080da2e2.png][]

## 验证码识别接口 ##

#!/usr/bin/env python
    # coding:utf-8
    
    import requests
    from hashlib import md5
    
    class Chaojiying_Client(object):
    
        def __init__(self, username, password, soft_id):
            self.username = username
            password =  password.encode('utf8')
            self.password = md5(password).hexdigest()
            self.soft_id = soft_id
            self.base_params = {
                'user': self.username,
                'pass2': self.password,
                'softid': self.soft_id,
            }
            self.headers = {
                'Connection': 'Keep-Alive',
                'User-Agent': 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)',
            }
    
        def PostPic(self, im, codetype):
            """
            im: 图片字节
            codetype: 题目类型 参考 http://www.chaojiying.com/price.html
            """
            params = {
                'codetype': codetype,
            }
            params.update(self.base_params)
            files = {'userfile': ('ccc.jpg', im)}
            r = requests.post('http://upload.chaojiying.net/Upload/Processing.php', data=params, files=files, headers=self.headers)
            return r.json()
    
        def PostPic_base64(self, base64_str, codetype):
            """
            im: 图片字节
            codetype: 题目类型 参考 http://www.chaojiying.com/price.html
            """
            params = {
                'codetype': codetype,
                'file_base64':base64_str
            }
            params.update(self.base_params)
            r = requests.post('http://upload.chaojiying.net/Upload/Processing.php', data=params, headers=self.headers)
            return r.json()
    
        def ReportError(self, im_id):
            """
            im_id:报错题目的图片ID
            """
            params = {
                'id': im_id,
            }
            params.update(self.base_params)
            r = requests.post('http://upload.chaojiying.net/Upload/ReportError.php', data=params, headers=self.headers)
            return r.json()

## 接口用法 ##

import requests
    from lxml import etree
    from chaoying import Chaojiying_Client
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36'
    }
    url  ='https://i.hongshu.com/login.html'
    page_text = requests.post(url=url,headers=headers).text
    tree = etree.HTML(page_text)
    
    yzm_href = tree.xpath('//*[@id="imgValidCode"]/@src')[0]
    yzm_data = requests.get(url=yzm_href,headers=headers).content
    with open('./yzm.jpg','wb') as fp:
        fp.write(yzm_data)
    
    #验证码识别接口
    chaojiying = Chaojiying_Client('账号', '密码', '软件id')	#用户中心>>软件ID 生成一个替换 96001
    im = open('yzm.jpg', 'rb').read()													#本地图片文件路径 来替换 a.jpg 有时WIN系统须要//
    print (chaojiying.PostPic(im, 验证码类型)['pic_str'])								#1902 验证码类型  官方网站>>价格体系 3.4+版 print 后要加()
     #print chaojiying.PostPic(base64_str, 1902)  #此处为传入 base64代码

[Link 1]: https://blog.csdn.net/weixin_73865721?spm=1010.2135.3001.5343
[0bfb85db662a4a3b966179db8eb454d0.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/24/68422efe369b429692c32ffae2faadb9.png
[f5a89b9b084641928dc73f4e88df7b7c.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/24/ba8a224bf4e245469f3ab21862a6732e.png
[5bc761b435564fa78e1289bd080da2e2.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/24/8a521955b93a49f28e403f8a72af6eb5.png