Why Does Selenium Throw a 'chromedriver' Executable Not Found' Error with Headless Chrome?

WebDriverException: 'chromedriver' Executable Not Found with Headless Chrome

When running Selenium scripts with headless Chrome, users may encounter the error:

selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH

This error indicates that the Python Selenium client cannot locate the chromedriver executable binary. To resolve this issue, ensure the following:

• chromedriver.exe vs. chrome.exe: chrome_options.binary_location should point to chromedriver.exe, not chrome.exe.
• Executable Path: os.path.abspath("chromedriver") retrieves the filepath for chromedriver but may not include .exe for Windows users. Append .exe explicitly.
• Sample Code for Windows:

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

chrome_options = Options()
chrome_options.add_argument("--headless")
driver = webdriver.Chrome(chrome_options=chrome_options, executable_path=r"C:\YourPath\chromedriver.exe")

By addressing these issues, you can successfully use headless Chrome with Selenium Python.

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