python3 selenium 无头浏览器错误 FileNotFoundError: [Errno 2] No such file or directory: 'geckodriver'

红太狼 2021-08-27 16:58 470阅读 0赞

代码：

from selenium import webdriver
    browser = webdriver.Firefox()
    browser.get('http://localhost:8000')
    assert 'Django' in browser.title

报错：

Traceback (most recent call last):
    File "/usr/local/lib/python3.5/dist-packages/selenium/webdriver/common/service.py", line 74, in start
    stdout=self.log_file, stderr=self.log_file)
    File "/usr/lib/python3.5/subprocess.py", line 947, in __init__
    restore_signals, start_new_session)
    File "/usr/lib/python3.5/subprocess.py", line 1551, in _execute_child
    raise child_exception_type(errno_num, err_msg)
    FileNotFoundError: [Errno 2] No such file or directory: 'geckodriver'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
    File "functional_test.py", line 2, in <module>
    browser = webdriver.Firefox()
    File "/usr/local/lib/python3.5/dist-packages/selenium/webdriver/firefox/webdriver.py", line 140, in __init__
    self.service.start()
    File "/usr/local/lib/python3.5/dist-packages/selenium/webdriver/common/service.py", line 81, in start
    os.path.basename(self.path), self.start_error_message)
    selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.
    
    Exception ignored in: <bound method Service.__del__ of <selenium.webdriver.firefox.service.Service object at 0x7f3f272d3ac8>>
    Traceback (most recent call last):
    File "/usr/local/lib/python3.5/dist-packages/selenium/webdriver/common/service.py", line 173, in __del__
    self.stop()
    File "/usr/local/lib/python3.5/dist-packages/selenium/webdriver/common/service.py", line 145, in stop
    if self.process is None:

原因：

未找到firefox浏览器驱动 geckodriver

解决：

下载了Linux的geckodriver

下载地址：[https://github.com/mozilla/geckodriver/releases][https_github.com_mozilla_geckodriver_releases]

然后安装

sudo tar zxvf geckodriver-v0.11.1-linux64.tar.gz 
    sudo mv geckodriver /usr/bin/    
    sudo chmod +x /usr/bin/geckodriver

再次测试成功

[https_github.com_mozilla_geckodriver_releases]: https://github.com/mozilla/geckodriver/releases

python3 selenium 无头浏览器错误 FileNotFoundError: [Errno 2] No such file or directory: 'geckodriver'

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