title: Chrome DevTools getting websocket address
body: <p>When using Chrome as Selenium webdriver as follow:</p>
  
  <pre><code>from selenium import webdriver
  driver = webdriver.Chrome(executable_path='chromedriver.exe')
  driver.close()
  </code></pre>
  
  <p>The first line to stdout is always something like this:</p>
  
  <pre><code>DevTools listening on ws://127.0.0.1:13007/devtools/browser/53aa377a-3789-4a8a-a565-dfd0f3622d38
  </code></pre>
  
  <p>How can I get this address in code? I don't see any obvious method or attribute (just judging from the name) of <code>driver</code> instance that might have this information.</p>