I've got Selenium and Chromium/chromedriver working on my RaspPi 3 Model B Rev 1.2 running Buster. Here's how I installed everything and below is code that works for me.
I started with update and dist-upgrade:
sudo apt-get upgrade
sudo apt-get dist-upgrade
Install Selenium (if you haven't already):
sudo pip install selenium
Install chromedriver (these steps could prob be shortened, but they worked for me):
I got a .deb file from
https://launchpad.net/ubuntu/trusty/+package/chromium-chromedriver
I chose this one:
"chromium-chromedriver 65.0.3325.181-0ubuntu0.14.04.1 in armhf (Updates)"
which has the URL
http://launchpadlibrarian.net/361669488/chromium-chromedriver_65.0.3325.181-0ubuntu0.14.04.1_armhf.deb
(but note there is another version labeled “Release” that could be tried)
(this is an older version of chromedriver, but it gets updated in subsequent steps below)
So I ran
wget http://launchpadlibrarian.net/361669488/chromium-chromedriver_65.0.3325.181-0ubuntu0.14.04.1_armhf.deb
then (following https://unix.stackexchange.com/questions/159094/how-to-install-a-deb-file-by-dpkg-i-or-by-apt):
sudo dpkg -i chromium-chromedriver_65.0.3325.181-0ubuntu0.14.04.1_armhf.deb
and
sudo apt-get install -f
Then,
sudo reboot
and
sudo apt-get update && sudo apt-get dist-upgrade
The dist-upgrade results showed that chromedriver was updated to version 74 (same as my Chromium)
I also installed a couple of other required packages:
sudo apt-get install xvfb
sudo pip install PyVirtualDisplay
sudo pip install xvfbwrapper
I then rebooted.
The following Python 2.7 code works for me:
#!/usr/bin/env python
from selenium import webdriver
from pyvirtualdisplay import Display
print 'Starting ...'
display = Display(visible=0, size=(1600, 1200))
display.start()
driver = webdriver.Chrome('/usr/lib/chromium-browser/chromedriver')
print 'webdriver loaded'
# Navigate to target website
driver.get('https://www.youtube.com')
driver.save_screenshot('SeleniumChromiumTest.png')
print 'target page loaded adnd screenshot taken'
print 'Done'
Hope this helps, good luck!