「Python3爬虫」使用云打码识别验证码

具体步骤如下:
1、首先是注册账号,然后进入这个网址(http://www.yundama.com/apidoc/YDM_SDK.html)选择PythonHTTP示例下载:

2、下载后解压,可以看到有如下几个文件,因为我使用的Python版本是3.5,所以打开YDMHTTPDemo3.x:

3、打开之后修改如下几个部分,用户名和密码就是你的用户名和密码,而appid和appkey需要进入开发者后台查看,第一次使用的时候还需要新建一个软件,才能有appid和appkey:

下图中的软件代码就是appid,通讯密钥就是appkey:

4、把信息都添加进去后运行代码,不出意外会返回一个1007,进入错误代码及排错(http://www.yundama.com/apidoc/YDM_ErrorCode.html)查找原因,原来是因为账户没有余额

然后进入用户后台充值就行了,充值完以后再次运行代码,就可以看到识别结果了。
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进行完如上步骤之后,我们就可以使用云打码平台来识别验证码了,不过为了使用方便,可以建一个YDMDemo.py,把账号密码等信息写进去,调用的时候只需要传入验证码图片就行了。
import json
import time
import requests
class YDMHttp:
apiurl = 'http://api.yundama.com/api.php'
username = ''
password = ''
appid = ''
appkey = ''
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
def use_ydm(filename):
username = '' # 用户名
password = '' # 密码
app_id = 1 # 软件ID
app_key = '' # 软件密钥
code_type = 1004 # 验证码类型
timeout = 60 # 超时时间,秒
yundama = YDMHttp(username, password, app_id, app_key) # 初始化
balance = yundama.balance() # 查询余额
print('您的题分余额为{}'.format(balance))
cid, result = yundama.decode(filename, code_type, timeout) # 开始识别
print('识别结果为{}'.format(result))
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