如何使用Mechanize在登录后获取网页会话Cookie

你现有的登录代码如下：

import mechanize
import json
import re
from bs4 import BeautifulSoup
import requests

browser = mechanize.Browser()
class login:
    def __init__(self):
        email = "aaaa"
        password = "bbb"
        url = "https://app.propertymeld.com/login/?next=/"
        self.email = email
        self.password= password
        self.url = url
    def login_url(self):
        try:
            browser.open(self.url)
            browser.select_form(nr=0)
            browser.form['email'] = self.email
            browser.form['password'] = self.password
            result = browser.submit().read()
            print(result)
            print("Login Successfully")
        except Exception as e:
            print("Unable to login successfully",e)

def main():
    web_login = login()
    web_login.login_url()
if __name__ == "__main__":
    main()

要在登录成功后获取会话Cookie，只需利用Mechanize Browser对象自带的cookiejar属性——它会自动维护当前会话的所有Cookie信息。修改后的代码如下：

import mechanize
import json
import re
from bs4 import BeautifulSoup
import requests

browser = mechanize.Browser()
class login:
    def __init__(self):
        email = "aaaa"
        password = "bbb"
        url = "https://app.propertymeld.com/login/?next=/"
        self.email = email
        self.password= password
        self.url = url
    def login_url(self):
        try:
            browser.open(self.url)
            browser.select_form(nr=0)
            browser.form['email'] = self.email
            browser.form['password'] = self.password
            result = browser.submit().read()
            print("Login Successfully")
            
            # 获取并打印会话中的Cookie详情
            print("\n当前会话Cookie详情：")
            for cookie in browser.cookiejar:
                print(f"名称: {cookie.name}, 值: {cookie.value}, 域名: {cookie.domain}, 路径: {cookie.path}")
            
            # 转换成字典格式，方便后续业务使用
            cookie_dict = {cookie.name: cookie.value for cookie in browser.cookiejar}
            print("\nCookie字典格式：", cookie_dict)
            
        except Exception as e:
            print("Unable to login successfully",e)

def main():
    web_login = login()
    web_login.login_url()
if __name__ == "__main__":
    main()

关键说明： #

• Mechanize的Browser实例会自动处理Cookie的存储和管理，登录操作完成后，browser.cookiejar中就保存了当前会话的所有Cookie。
• 遍历cookiejar可以查看每个Cookie的完整属性（包括域名、路径、有效期等），满足精细化需求。
• 转换成字典格式后，Cookie可以直接用于其他HTTP请求库（比如requests），实现会话复用。

内容的提问来源于stack exchange，提问作者Ajay