Get all performance logs in chrome driver.

performanceLogs.py

if __name__ == "__main__":
  from selenium import webdriver
  from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
  import json
  caps = DesiredCapabilities.CHROME
  caps['loggingPrefs'] = {'performance': 'ALL'}
  driver = webdriver.Chrome(desired_capabilities=caps)
  driver.get('https://stackoverflow.com')
  logs = []
  for entry in driver.get_log('performance'):
    logs.append(entry)
  with open('performanceLog.json', 'w') as outfile:
      json.dump(logs, outfile)
  driver.close()

Get browser logs (console logs):

caps['loggingPrefs'] = {'performance': 'ALL', 'browser': 'ALL'}
for entry in driver.get_log('browser'):
    logs.append(entry)