如何使用Python和Selenium对Instagram帖子发表评论？

Question

我有一个Instagram robot类，它接受用户名和密码并登录到该帐户。 我在这个类中编写了一个comment函数来将评论放在帖子下面，我使用这个函数，但是当它打开自定义帖子时，当我留下评论时，我会得到一个错误。 我不知道这个错误的原因 如果有人知道解决方案，请告诉我

我的代码：

from selenium import  webdriver
import time
import random


class InstaBot:
    #Create a contractor to open the browser and get the username and password of your Instagram account
    def __init__(self,username,password):
        self.driver = webdriver.Firefox()
        self.username = username
        self.password = password


        #This function is used to login to your Instagram account
    def login(self):
        driver = self.driver
        #Open the browser and open the Instagram site
        driver.get('https://www.instagram.com')
        #Find the username box address via XPath
        user_box = driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[1]/div/label/input')
        #Find the password box address via XPath
        password_box = driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[2]/div/label/input')
        #Find the login button via Xpath
        button = driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[3]')
        #Click on the username box
        user_box.click()
        #And enter the username in the username box
        user_box.send_keys(self.username)
        time.sleep(5)
        #Click on the password box
        password_box.click()
        #And enter the password in the password box
        password_box.send_keys(self.password)
        time.sleep(5)
        #Finally, click the Login button
        button.click()
        time.sleep(5)
        #Go to the home page by adding a username to continue the Instagram link
        acount = driver.get('https://www.instagram.com/%s/'%(self.username))

    def comment(self,message=None):
        driver = self.driver
        driver.get('https://www.instagram.com/p/CLP-HN9AP0i/')
        coment_box = driver.find_element_by_xpath('/html/body/div[1]/section/main/div/div[1]/article/div[3]/section[3]/div/form/textarea').click()
        coment_box.send_keys(message)

mobin = InstaBot('your user name','your password')
mobin.login()
time.sleep(5)
mobin.comment('Very Good')

它给我的错误是：

Traceback (most recent call last):
  File "C:\Users\Mobin\Desktop\test_projcet.py", line 50, in <module>
    mobin.comment('Very Good')
  File "C:\Users\Mobin\Desktop\test_projcet.py", line 45, in comment
    coment_box.send_keys(message)
AttributeError: 'NoneType' object has no attribute 'send_keys'

Answer 1

问题

问题在于，您将注释框设置为驱动程序操作而不是web元素。它将发出错误“对象没有属性‘send_keys’”，因为它不是web元素

此外，您的评论框被多次加载。因此，您需要在第一次单击后再次声明注释框

解决方案

删除此行末尾的单击

coment_box = driver.find_element_by_xpath('your xpath').click()

替换为此代码后，它应该可以工作：

coment_box = driver.find_element_by_xpath('your xpath')
coment_box.click()
time.sleep(5)
coment_box_2 = driver.find_element_by_xpath('your xpath')
coment_box.send_keys(message)