用請求正確地構造一個XHR請求[python]

我想要做一些網站通過Javascript生成它的數據的網站。我已經通過，現在刮的這些方法是做了足夠的閱讀就在這裏要知道：用請求正確地構造一個XHR請求[python]

觀看螢火蟲網絡選項卡當您
隔離XHR請求，並重新請求會發生什麼他們在一個腳本。

所以，當我做1，POST請求被髮送到在這張截圖中可見的鏈接：，你也可以看到它得到響應。看起來不錯，對吧？

但是當我嘗試並重新創建請求&響應，有效載荷，我在Firebug後標籤下看到，在Python像這樣：

import requests 
from bs4 import BeautifulSoup 

payload = {"Max":999,"RectCoord":"89,-179,-89,179","Source":"","SortField":"NEWID()","OfficeName":"","FirstName" 
:"","LastName":"da","CityName":"","ZipCode":"","Category":"S","SecLanguageReq":"","OfficeCode":""} 

r = requests.post('http://search.cnyrealtor.com/MyAjaxService.asmx/MemberSearch', data=payload) 

print(r.content)

我得到的顯示錯誤消息的頁面： Request format is unrecognized for URL unexpectedly ending in \'/MemberSearch\'

所以，我的問題是 - 爲什麼我在Firebug中的響應正常工作時得到該響應？我在Python腳本中的requests.post(url)行中錯過了什麼嗎？

來源

2016-08-01 n1c9

您需要將字典轉儲爲JSON並作爲有效負載發送。設置Content-Type請求標頭也很重要：

import json 
import requests 

payload = {"Max": 999, "RectCoord": "89,-179,-89,179", "Source": "", "SortField": "NEWID()", "OfficeName": "", 
      "FirstName": "", "LastName": "", "CityName": "", "ZipCode": "", "Category": "S", "SecLanguageReq": "", 
      "OfficeCode": ""} 

with requests.Session() as session: 
    session.get("http://search.cnyrealtor.com/SiteContent/SYR/MemberSearchSYR.aspx") 
    r = session.post('http://search.cnyrealtor.com/MyAjaxService.asmx/MemberSearch', data=json.dumps(payload), 
        headers={"Content-Type": "application/json; charset=UTF-8"}) 

    print(r.content)

來源

2016-08-01 17:40:02 alecxe

非常感謝，@alecxe！ – n1c9

用請求正確地構造一個XHR請求[python]

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