Python帖子：提交按钮表单

我正在使用Python

Requests

库，它支持NTLM身份验证

import requests
from requests_ntlm import HttpNtlmAuth


url = 'http://ManufacturingRequests/AllItems.aspx'
username = 'domain\user'
password = 'pass'

r = requests.get(url,auth=HttpNtlmAuth(username,password))
print r.text.encode('utf-8')

我获取的URL的HTML如下所示

<input type="button"
   name="Button" 
   value="OK"
   onclick="if (!PreSaveItem()) return false;WebForm_DoPostBackWithOptions(new   WebForm_PostBackOptions(&quot;Button;, &quot;&quot;, true, &quot;&quot;, &quot;&quot;, false, true))" 
   id="ctl00_PlaceHolderMain_g_6b9c5d27_394f_4ab7_9c54_1b7507fd14a1_savebutton1_ctl00_diidIOS    veItem"
   accesskey="O" 
   class="ms-ButtonHeightWidth" 
   target="_self"
>

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“onMenuClick=”javascript:NewItem（'NewRequest.aspx？）行可能不完整，结尾引号在哪里？@siluaty实际上是一个按钮，而不是一个菜单。我已经更新了我的帖子

toPost = {'Button': 'submitForm'}
r = requests.post(url, data=toPost)