selenium.common.exceptions.WebDriverException: Message: unable to set

本人使用的版本是

python3.7

selenium3.14.1

macOS10.13.3

另外是在谷歌浏览器做的实验

下面看代码：

我想要添加一个name为MUSIC_U的cookie，运行后出现错误selenium.common.exceptions.WebDriverException: Message: unable to set

# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
brguge=webdriver.Chrome()#声明驱动对象
try:print (brguge.get_cookies())cookie = {'domain': '.bilibili.com', 'expiry': 1540118011, 'httpOnly': False, 'name': 'MUSIC_U', 'path': '/', 'secure': False, 'value': '261e3a119ae77340f902f8c5c9ec95135053be85f4706fa6985046c7a33d7409c8f2a7d72751daae6c35ab6dff831cdadea9c0c5cfc323bb7955a739ab43dce1'}brguge.add_cookie(cookie)print ("# add # ",brguge.get_cookies()) finally:brguge.close()#关闭谷歌浏览器

[]
Traceback (most recent call last):File "/Users/birenjianmo/Desktop/python3/webtest2.py", line 11, in <module>brguge.add_cookie(cookie)File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 894, in add_cookieself.execute(Command.ADD_COOKIE, {'cookie': cookie_dict})File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in executeself.error_handler.check_response(response)File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_responseraise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unable to set cookie(Session info: chrome=69.0.3497.100)(Driver info: chromedriver=2.42.591059 (a3d9684d10d61aa0c45f6723b327283be1ebaad8),platform=Mac OS X 10.13.3 x86_64)

从报错来看虽然知道是cookie出错了，但是好像并没有提供什么有用的信息

接着我尝试先请求一下网站，看看cookie的结构，于是加了一行代码，结果发现竟然成功添加了MUSIC_U

brguge.get('https://www.bilibili.com/video/av32022817/?spm_id_from=333.334.chief_recommend.17')#发送get请求

# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
brguge=webdriver.Chrome()#声明驱动对象
try:brguge.get('https://www.bilibili.com/video/av32022817/?spm_id_from=333.334.chief_recommend.17')#发送get请求print (brguge.get_cookies())cookie = {'domain': '.bilibili.com', 'expiry': 1540118011, 'httpOnly': False, 'name': 'MUSIC_U', 'path': '/', 'secure': False, 'value': '261e3a119ae77340f902f8c5c9ec95135053be85f4706fa6985046c7a33d7409c8f2a7d72751daae6c35ab6dff831cdadea9c0c5cfc323bb7955a739ab43dce1'}brguge.add_cookie(cookie)print ("# add # ",brguge.get_cookie("MUSIC_U")) finally:brguge.close()#关闭谷歌浏览器

[{'domain': '.bilibili.com', 'expiry': 1632136843.835492, 'httpOnly': False, 'name': 'buvid3', 'path': '/', 'secure': False, 'value': '39A1DFA0-A52D-467A-95B9-3EE7B9CE156D163038infoc'}, {'domain': '.bilibili.com', 'expiry': 1540120843, 'httpOnly': False, 'name': 'finger', 'path': '/', 'secure': False, 'value': '14bc3c4e'}]
# add #  {'domain': '.bilibili.com', 'expiry': 1540118011, 'httpOnly': False, 'name': 'MUSIC_U', 'path': '/', 'secure': True, 'value': '261e3a119ae77340f902f8c5c9ec95135053be85f4706fa6985046c7a33d7409c8f2a7d72751daae6c35ab6dff831cdadea9c0c5cfc323bb7955a739ab43dce1'}

虽然cookie是加上去了，但是我在想是不是只要随便先请求一个网站就可以添加cookie了？

这次我们不请求bilibili，而是请求baidu，然后添加bilibili的cookie，看看能不能添加成功

# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
import traceback
brguge=webdriver.Chrome()#声明驱动对象
try:brguge.get('https://www.baidu.com/')#发送get请求print (brguge.get_cookies())cookie = {'domain': '.bilibili.com', 'expiry': 1540118011, 'httpOnly': False, 'name': 'MUSIC_U', 'path': '/', 'secure': False, 'value': '261e3a119ae77340f902f8c5c9ec95135053be85f4706fa6985046c7a33d7409c8f2a7d72751daae6c35ab6dff831cdadea9c0c5cfc323bb7955a739ab43dce1'}brguge.add_cookie(cookie)print ("# add # ",brguge.get_cookie("MUSIC_U"))
except:print(traceback.format_exc())
finally:brguge.close()#关闭谷歌浏览器

[{'domain': '.baidu.com', 'httpOnly': False, 'name': 'H_PS_PSSID', 'path': '/', 'secure': False, 'value': '1433_21108_20930'}, {'domain': '.baidu.com', 'expiry': 3685012823.861422, 'httpOnly': False, 'name': 'BIDUPSID', 'path': '/', 'secure': False, 'value': 'E9BEFFB7740A6175A9660285BC43D724'}, {'domain': '.baidu.com', 'expiry': 3685012823.861463, 'httpOnly': False, 'name': 'PSTM', 'path': '/', 'secure': False, 'value': '1537529176'}, {'domain': '.baidu.com', 'expiry': 1537615577.642583, 'httpOnly': False, 'name': 'BDORZ', 'path': '/', 'secure': False, 'value': 'B490B5EBF6F3CD402E515D22BCDA1598'}, {'domain': 'www.baidu.com', 'expiry': 1538393177, 'httpOnly': False, 'name': 'BD_UPN', 'path': '/', 'secure': False, 'value': '123253'}, {'domain': 'www.baidu.com', 'httpOnly': False, 'name': 'BD_HOME', 'path': '/', 'secure': False, 'value': '0'}, {'domain': 'www.baidu.com', 'expiry': 2483609140.861528, 'httpOnly': False, 'name': 'delPer', 'path': '/', 'secure': False, 'value': '0'}, {'domain': '.baidu.com', 'expiry': 3685012823.861343, 'httpOnly': False, 'name': 'BAIDUID', 'path': '/', 'secure': False, 'value': 'E9BEFFB7740A6175A9660285BC43D724:FG=1'}]
# add #  None

实验结果是bilibili的cookie未添加进去,但是没有报错

通过上面的实验，可以总结两点

如果未先请求网站而直接添加cookie会报错，应该是漏了初始化的哪一步，希望大神指出
如果未请求cookie指定的网站直接添加cookie，则不会生效，cookie无法添加

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