Python使用json.loads将Cookie字符串转JSON字典出现报错如何解决？

报错原因 #

• json.loads()要求输入必须符合标准JSON规范：你当前的Cookie字符串用的是Python语法的单引号包裹键值，且整个字符串是多个字典拼接的格式，外层没有数组包裹符[]，不属于合法JSON结构，所以直接解析会抛出异常。
• 另外你提供的box_of_cookies原始字符串末尾缺了一个闭合的}，解析前需要先补全。

解决方案 #

推荐使用Python标准库的ast.literal_eval方法解析，它可以直接识别Python字面量格式的字符串，不需要做额外的字符替换，且只会解析字面量结构、不会执行任意代码，安全性远高于直接用eval。

修改后的可运行代码如下：

import ast
from urllib.parse import unquote # 可选，用于解码Cookie值里的URL编码

# 已补全末尾缺失的}
box_of_cookies = "{'domain': '.kith.com', 'expiry': 1662402888, 'httpOnly': False, 'name': 'geolizr_geodata', 'path': '/', 'sameSite': 'Strict', 'secure': True, 'value': '{%22as%22:%22AS701%20MCI%20Communications%20Services%2C%20Inc.%20d/b/a%20Verizon%20Business%22%2C%22asname%22:%22UUNET%22%2C%22mobile%22:false%2C%22proxy%22:false%2C%22city%22:%22East%20Orange%22%2C%22currency%22:{%22code%22:%22USD%22}%2C%22country%22:{%22code%22:%22US%22%2C%22country%22:%22United%20States%22}%2C%22countryCode%22:%22US%22%2C%22continent%22:%22North%20America%22%2C%22continentCode%22:%22NA%22%2C%22isp%22:%22MCI%20Communications%20Services%2C%20Inc.%20d/b/a%20Verizon%20Business%22%2C%22lat%22:40.7523%2C%22lon%22:-74.2172%2C%22org%22:%22Verizon%20Communications%22%2C%22query%22:%2274.102.170.52%22%2C%22region%22:%22NJ%22%2C%22regionName%22:%22New%20Jersey%22%2C%22status%22:%22success%22%2C%22timezone%22:%22America/New_York%22%2C%22zip%22:%2207018%22%2C%22cloudflare%22:%22US%22%2C%22ttl%22:2399%2C%22env%22:%22PROD%22%2C%22version%22:%22ip-api%20cached%22%2C%22currencyCode%22:%22USD%22%2C%22countryName%22:%22United%20States%22%2C%22service%22:%22ip.lovely-app.com%22}'}, {'domain': '.kith.com', 'expiry': 1630868688, 'httpOnly': False, 'name': '_shopify_sa_t', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': '2021-09-05T18%3A34%3A48.213Z'}, {'domain': 'kith.com', 'expiry': 1693938888, 'httpOnly': False, 'name': '__kla_id', 'path': '/', 'secure': False, 'value': 'eyIkcmVmZXJyZXIiOnsidHMiOjE2MzA4NjY4ODYsInZhbHVlIjoiIiwiZmlyc3RfcGFnZSI6Imh0dHBzOi8va2l0aC5jb20vYWNjb3VudC9sb2dpbiJ9LCIkbGFzdF9yZWZlcnJlciI6eyJ0cyI6MTYzMDg2Njg4OCwidmFsdWUiOiIiLCJmaXJzdF9wYWdlIjoiaHR0cHM6Ly9raXRoLmNvbS9hY2NvdW50L2xvZ2luIn19'}, {'domain': 'kith.com', 'expiry': 1662402887, 'httpOnly': True, 'name': 'secure_customer_sig', 'path': '/', 'secure': True, 'value': 'e2f7a59a5aec576e527d7240d1db9f7b'}, {'domain': '.kith.com', 'expiry': 1630868688, 'httpOnly': False, 'name': '_shopify_sa_p', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': ''}, {'domain': 'kith.com', 'expiry': 1632076486, 'httpOnly': True, 'name': 'cart_sig', 'path': '/', 'sameSite': 'None', 'secure': True, 'value': '90d14af23f488d1426f499a12b8cfd28'}, {'domain': 'kith.com', 'expiry': 1662402888, 'httpOnly': False, 'name': 'KL_FORMS_MODAL', 'path': '/', 'secure': False, 'value': '{%22disabledForms%22:{}%2C%22viewedForms%22:{%22TFUkCm%22:3408578}}'}, {'domain': '.kith.com', 'expiry': 1630866945, 'httpOnly': False, 'name': '_gat_gtag_UA_62344036_3', 'path': '/', 'secure': False, 'value': '1'}, {'domain': 'kith.com', 'expiry': 1630953287, 'httpOnly': True, 'name': '_secure_session_id', 'path': '/', 'sameSite': 'None', 'secure': True, 'value': '0c1901c20ab9506de47abaa56ee3ee11'}, {'domain': '.kith.com', 'expiry': 1630868688, 'httpOnly': False, 'name': '_shopify_s', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': 'e6c34f1d-6eb1-4fda-a683-fe9c7428f49e'}, {'domain': 'kith.com', 'expiry': 1630870486, 'httpOnly': False, 'name': 'shopify_pay_redirect', 'path': '/', 'secure': False, 'value': 'pending'}, {'domain': '.kith.com', 'expiry': 1662402887, 'httpOnly': False, 'name': '_y', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': 'cab0fbd3-25c8-4939-949f-441b5eacb116'}, {'domain': '.kith.com', 'expiry': 1630953288, 'httpOnly': False, 'name': '_gid', 'path': '/', 'secure': False, 'value': 'GA1.2.1460112824.1630866886'}, {'domain': 'kith.com', 'expiry': 1630868687, 'httpOnly': False, 'name': 'dynamic_checkout_shown_on_cart', 'path': '/', 'secure': False, 'value': '1'}, {'domain': '.kith.com', 'expiry': 1662402887, 'httpOnly': False, 'name': '_shopify_y', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': 'cab0fbd3-25c8-4939-949f-441b5eacb116'}, {'domain': 'kith.com', 'expiry': 1630868684, 'httpOnly': False, 'name': '_shopify_country', 'path': '/', 'secure': False, 'value': 'United+States'}, {'domain': '.kith.com', 'expiry': 1632076484, 'httpOnly': True, 'name': '_landing_page', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': '%2Faccount%2Flogin'}, {'domain': 'kith.com', 'httpOnly': False, 'name': 'snize-recommendation', 'path': '/', 'secure': False, 'value': '3s53e71zpk6'}, {'domain': '.kith.com', 'expiry': 1693938886, 'httpOnly': False, 'name': 'GlobalE_CT_Data', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': '%7B%22CUID%22%3A%22561504970.682656459.583%22%2C%22CHKCUID%22%3Anull%7D'}, {'domain': '.kith.com', 'expiry': 1630868688, 'httpOnly': False, 'name': '_s', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': 'e6c34f1d-6eb1-4fda-a683-fe9c7428f49e'}, {'domain': '.kith.com', 'expiry': 1632076484, 'httpOnly': True, 'name': '_orig_referrer', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': ''}, {'domain': '.kith.com', 'expiry': 1662402889, 'httpOnly': False, 'name': '__zlcmid', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': '15vkJEQAVa9KC2y'}, {'domain': '.kith.com', 'httpOnly': False, 'name': 'GlobalE_SupportThirdPartCookies', 'path': '/', 'secure': False, 'value': 'true'}, {'domain': '.kith.com', 'expiry': 1631126086, 'httpOnly': False, 'name': 'GlobalE_Data', 'path': '/', 'secure': False, 'value': '%7B%22countryISO%22%3A%22US%22%2C%22currencyCode%22%3A%22USD%22%2C%22cultureCode%22%3A%22en-US%22%7D'}, {'domain': '.kith.com', 'expiry': 1630866945, 'httpOnly': False, 'name': '_gat', 'path': '/', 'secure': False, 'value': '1'}, {'domain': 'kith.com', 'expiry': 1632076487, 'httpOnly': False, 'name': 'cart_currency', 'path': '/', 'secure': False, 'value': 'USD'}, {'domain': '.kith.com', 'httpOnly': False, 'name': 'GlobalE_Full_Redirect', 'path': '/', 'sameSite': 'Lax', 'secure': False, 'value': 'false'}, {'domain': '.kith.com', 'expiry': 1693938888, 'httpOnly': False, 'name': '_ga', 'path': '/', 'secure': False, 'value': 'GA1.2.797558024.1630866886'}"

def parse_Cookie_string(box_of_cookies):
    # 外层补数组括号后直接解析
    cookie_str = f"[{box_of_cookies}]"
    cookies_list = ast.literal_eval(cookie_str)
    # 可选：如果需要解码value里的URL编码，解开下面注释即可
    # for cookie in cookies_list:
    #     cookie['value'] = unquote(cookie['value'])
    return cookies_list

# 测试调用
cookies = parse_Cookie_string(box_of_cookies)
print(type(cookies)) # 输出 <class 'list'>
print(type(cookies[0])) # 输出 <class 'dict'>

# 后续可以直接遍历添加到浏览器驱动
# for cookie in cookies:
#     driver.add_cookie(cookie)

内容的提问来源于stack exchange，提问作者BotterBoy