requests 提供的authen方式有HTTPBasicAuth，HTTPDigestAuth,OAuth等

http://www.python-requests.org/en/master/user/authentication/

同時requests提供繼承AuthBase，來自定義authen

http://www.python-requests.org/en/master/user/advanced/#custom-authentication

例如，登錄時使用post，使用登錄內容為json

{
    "testUname": "pp123",
    "testPassword": "pppassword",
    "other": ""
}

　自定義authen類，繼承AuthBase，將__call__中的r（PreparedRequest實例）賦值body

from requests.auth import AuthBase

class loginAuth(AuthBase):
    def __init__(self, userdata):
        # setup any auth-related data here
        self.usdata = userdata

    def __call__(self, r):
        # modify and return the request
        #r.headers['X-Pizza'] = self.username
        r.body=self.usdata
        return r

使用自定義authen

import  requests
import  json
from cus_authen import loginAuth
#r = requests.get('https://www.baidu.com', auth=('user', 'pass'))

userdata ={
    "testUname": "pp123",
    "testPassword": "pppassword",
    "other": ""
}
myHeader = {"Connection": "keep-alive",
        "Origin": "http://1.1.1.1",
        "Accept-Encoding": "gzip, deflate",
        "Accept-Language": "zh-CN,zh;q=0.8,en;q=0.6",
        "Cookie": "HS.locale=zh_CN"}

http_origin = r"http://1.1.1.1"
uri = http_origin + r"/login"
rr = requests.post(uri, headers=myHeader, auth=loginAuth(json.dumps(userdata)))
print rr.status_code

now,run this script

C:Python27python.exe C:/PycharmProjects/reqTest1/src/reqUnamePass_backup.py
200

Process finished with exit code 0

def __call__(self, r)中 r是PreparedRequest的實例。構造自定義authen，主要是過r填充數據

req = Request('POST', uri, data=json.dumps(userdata))
prepped = req.prepare()
print prepped.body

運行結果

C:Python27python.exe C:/PycharmProjects/reqTest1/src/reqUnamePass2.py
{"testUname": "pp123", "testPassword": "pppassword", "other": ""}

Process finished with exit code 0

其他使用PreparedRequest的方式

Request

from requests import Request, Session 
s = Session() 
req = Request('GET', url, data=data, headers=header ) 
prepped = req.prepare() 
# do something with prepped.body 
# do something with prepped.headers 
resp = s.send(prepped, stream=stream, verify=verify, proxies=proxies, cert=cert, timeout=timeout ) 
print(resp.status_code)

2. Session

from requests import Request, Session

s = Session()
req = Request('GET',  url,
    data=data
    headers=headers
)

prepped = s.prepare_request(req)

# do something with prepped.body
# do something with prepped.headers

resp = s.send(prepped,
    stream=stream,
    verify=verify,
    proxies=proxies,
    cert=cert,
    timeout=timeout
)

print(resp.status_code)

AuthBase

總結

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