How to turn off command line logging in Selenium using Chrome in Python

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In Selenium, if you're using Chrome as the web browser for your automated tests, you might encounter command line logging messages in the console output. These messages are generated by the ChromeDriver and can clutter your test output. To turn off command line logging in Selenium using Chrome in Python, you can use the following steps:

  1. Set Chrome Options:
    Chrome options allow you to configure various settings when launching the Chrome browser through ChromeDriver. You can set the --log-level option to control the verbosity of logging messages. To turn off command line logging, you can set the log level to a level that doesn't display command line logs.

  2. Disable Command Line Logging:
    To disable command line logging, you can set the --log-level option to "3" (or "ERROR"), which means that only error messages will be displayed. You can achieve this using the add_argument method of webdriver.ChromeOptions:

python
from selenium import webdriver



chrome_options = webdriver.ChromeOptions()

chrome_options.add_argument('--log-level=3')  # Set log level to ERROR



driver = webdriver.Chrome(options=chrome_options)

By setting the log level to "3" or "ERROR", you'll effectively reduce the verbosity of command line logging messages. This can make your test output cleaner and more focused on the relevant information.

Remember that ChromeOptions and the associated settings might change over time due to updates in Chrome or ChromeDriver. Always refer to the official documentation for the latest information on available options and their usage.

Additionally, keep in mind that suppressing logging messages might hide valuable debugging information in case of issues during test execution. It's a trade-off between cleaner output and having detailed logs for debugging purposes.