linux 下selenium chrome使用详解
安装chrome
wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm yum install ./google-chrome-stable_current_x86_64.rpm yum install mesa-libOSMesa-devel gnu-free-sans-fonts wqy-zenhei-fonts
安装chromedriver
淘宝源（推荐）
wget http://npm.taobao.org/mirrors/chromedriver/2.41/chromedriver_linux64.zip unzip chromedriver_linux64.zip move chromedriver /usr/bin/ chmod +x /usr/bin/chromedriver
编写selenium自动化脚本
#!/usr/bin/python
# -*-coding:utf-8-*-
import re, os
import json
import time
import random
import requests
from selenium import webdriver
from selenium.webdriver import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support.wait import TimeoutException
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.support.select import Select
binary_location = '/usr/bin/google-chrome'
chrome_driver_binary = '/usr/bin/chromedriver'
chrome_options = Options()
chrome_options.binary_location = binary_location
chrome_options.add_argument('--no-sandbox')
chrome_options.add_argument('--headless')
chrome_options.add_argument('--disable-gpu')
chrome_options.add_argument('--disable-dev-shm-usage')
chromedriver = chrome_driver_binary
os.environ["webdriver.chrome.driver"] = chromedriver
BROWSER = webdriver.Chrome(executable_path='/usr/bin/chromedriver', chrome_options=chrome_options)
WAIT = WebDriverWait(BROWSER, 5)
URL = "http://www.baidu.com"
BROWSER.get(URL)
..........
踩到的坑一：
中文乱码，解决方法：
centos:
yum groupinstall fonts
ubuntu:
sudo apt-get install ttf-wqy-microhei ttf-wqy-zenhei xfonts-wqy
踩到的坑二：
不能截图，抛time out异常
selenium.common.exceptions.TimeoutException: Message: timeout: Timed out receiving message from renderer: 10.000
解决方法：
options = webdriver.ChromeOptions()
options.add_argument("--headless")
options.add_argument("start-maximized")
options.add_argument("enable-automation")
options.add_argument("--no-sandbox")
options.add_argument("--disable-infobars")
options.add_argument("--disable-dev-shm-usage")
options.add_argument("--disable-browser-side-navigation")
options.add_argument("--disable-gpu")
driver = webdriver.Chrome(chrome_options=options)
driver.set_window_size(1024, 768)
driver.get_screenshot_as_file(STATIC_FOLDER + home_img_url)
driver.close()
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