Python发送带有头部信息的POST请求

121
我试图构建一个Python脚本,用于发送带参数的POST请求以提取结果。通过使用Fiddler工具,我已经提取了返回所需结果的POST请求。该网站仅使用HTTPS。

我试图构建一个Python脚本,用于发送带参数的POST请求以提取结果。通过使用Fiddler工具,我已经提取了返回所需结果的POST请求。该网站仅使用HTTPS。

POST /Services/GetFromDataBaseVersionned HTTP/1.1
Host: www.mywbsite.fr
"Connection": "keep-alive",
"Content-Length": 129,
"Origin": "https://www.mywbsite.fr",
"X-Requested-With": "XMLHttpRequest",
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5",
"Content-Type": "application/json",
"Accept": "*/*",
"Referer": "https://www.mywbsite.fr/data/mult.aspx",
"Accept-Encoding": "gzip,deflate,sdch",
"Accept-Language": "fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4",
"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.3",
"Cookie": "ASP.NET_SessionId=j1r1b2a2v2w245; GSFV=FirstVisit=; GSRef=https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CHgQFjAA&url=https://www.mywbsite.fr/&ei=FZq_T4abNcak0QWZ0vnWCg&usg=AFQjCNHq90dwj5RiEfr1Pw; HelpRotatorCookie=HelpLayerWasSeen=0; NSC_GSPOUGS!TTM=ffffffff09f4f58455e445a4a423660; GS=Site=frfr; __utma=1.219229010.1337956889.1337956889.1337958824.2; __utmb=1.1.10.1337958824; __utmc=1; __utmz=1.1337956889.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)"

{"isLeftColumn":false,"lID":-1,"userIpCountryCode":"FR","version":null,"languageCode":"fr","siteCode":"frfr","Quotation":"eu"}

现在是我的Python脚本:

#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
import string
import httplib
import urllib2

host = "www.mywbsite.fr/sport/multiplex.aspx"
    params='"isLeftColumn":"false","liveID":"-1","userIpCountryCode":"FR","version":"null","languageCode":"fr","siteCode":"frfr","Quotation":"eu"'

headers = { Host: www.mywbsite.fr,
"Connection": "keep-alive",
"Content-Length": 129,
"Origin": "https://www.mywbsite.fr",
"X-Requested-With": "XMLHttpRequest",
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5",
"Content-Type": "application/json",
"Accept": "*/*",
"Referer": "https://www.mywbsite.fr/data/mult.aspx",
"Accept-Encoding": "gzip,deflate,sdch",
"Accept-Language": "fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4",
"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.3",
"Cookie": "ASP.NET_SessionId=j1r1b2a2v2w245; GSFV=FirstVisit=;     GSRef=https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CHgQFjAA&url=https://www.mywbsite.fr/&ei=FZq_T4abNcak0QWZ0vnWCg&usg=AFQjCNHq90dwj5RiEfr1Pw; HelpRotatorCookie=HelpLayerWasSeen=0; NSC_GSPOUGS!TTM=ffffffff09f4f58455e445a4a423660; GS=Site=frfr; __utma=1.219229010.1337956889.1337956889.1337958824.2; __utmb=1.1.10.1337958824; __utmc=1; __utmz=1.1337956889.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)"

}

url = "/Services/GetFromDataBaseVersionned"

# POST the request
conn = httplib.HTTPConnection(host,port=443)
conn.request("POST",url,params,headers)
response = conn.getresponse()

data = response.read()
print data

但是当我运行我的脚本时,出现了以下错误:

socket.gaierror: [Errno -2] Name or service not known

7
手动使用HTTP没有好的理由。使用urllib甚至更好的是requests - ThiefMaster
1
请参考此答案以获得更好的解释。https://stackoverflow.com/a/51124572/7384392 - Nitanshu
3个回答

138

非常感谢您提供的requests模块链接。它非常完美。以下是解决我的问题的方法。

import requests
import json

url = 'https://www.mywbsite.fr/Services/GetFromDataBaseVersionned'
payload = {
    "Host": "www.mywbsite.fr",
    "Connection": "keep-alive",
    "Content-Length": 129,
    "Origin": "https://www.mywbsite.fr",
    "X-Requested-With": "XMLHttpRequest",
    "User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5",
    "Content-Type": "application/json",
    "Accept": "*/*",
    "Referer": "https://www.mywbsite.fr/data/mult.aspx",
    "Accept-Encoding": "gzip,deflate,sdch",
    "Accept-Language": "fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4",
    "Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.3",
    "Cookie": "ASP.NET_SessionId=j1r1b2a2v2w245; GSFV=FirstVisit=; GSRef=https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CHgQFjAA&url=https://www.mywbsite.fr/&ei=FZq_T4abNcak0QWZ0vnWCg&usg=AFQjCNHq90dwj5RiEfr1Pw; HelpRotatorCookie=HelpLayerWasSeen=0; NSC_GSPOUGS!TTM=ffffffff09f4f58455e445a4a423660; GS=Site=frfr; __utma=1.219229010.1337956889.1337956889.1337958824.2; __utmb=1.1.10.1337958824; __utmc=1; __utmz=1.1337956889.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)"
}
# Adding empty header as parameters are being sent in payload
headers = {}
r = requests.post(url, data=json.dumps(payload), headers=headers)
print(r.content)

10
为什么你将请求头作为请求数据发送,并且它为什么有效? - Thiago
21
请注意,您不应该手动发送这样的标头。这是请求的工作。您最多只需发送用户代理和自定义标头。 - Antoine
3
json.dumps是用于将Python对象转换为JSON格式字符串的函数。 - py_ios_dev
2
通常情况下,我们不需要将数据转储为JSON格式,但在某些特殊情况下,我们需要这样做。例如,在FASTAPI中发送POST请求时,需要将我们的数据转储为JSON格式。 - Willy satrio nugroho
4
@Willysatrionugroho - 同意。我曾试图在没有使用json.dumps()的情况下传递有效载荷,但失败了,非常沮丧。发现了这个答案,使用了json.dumps(),API 就像魅力一样工作了。 - elPastor
显示剩余5条评论

128

如果我们想要在POST请求中添加自定义HTTP头,我们必须通过字典传递headers参数来传递它们。

这是一个包含非空body和headers的示例:

import requests
import json

url = 'https://somedomain.com'
body = {'name': 'Maryja'}
headers = {'content-type': 'application/json'}

r = requests.post(url, data=json.dumps(body), headers=headers)

来源


2
这个回复是正确的,对我有用。使用body来发布服务器支持的特定键。 - Ahmed Yossef

5
要使用urllib2进行POST请求而不是GET请求,您需要指定空数据,例如:
import urllib2
req = urllib2.Request("http://am.domain.com:8080/openam/json/realms/root/authenticate?authIndexType=Module&authIndexValue=LDAP")
req.add_header('X-OpenAM-Username', 'demo')
req.add_data('')
r = urllib2.urlopen(req)

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