code: def _set_request_user_agent_metrics(self, request):
          
          if 'HTTP_USER_AGENT' in request.META and request.META['HTTP_USER_AGENT']:
              user_agent = request.META['HTTP_USER_AGENT']
              monitoring.set_custom_metric('request_user_agent', user_agent)
              if user_agent:
                  # Example agent string from edx-rest-api-client:
                  #    python-requests/2.9.1 edx-rest-api-client/1.7.2 ecommerce
                  #    See https://github.com/edx/edx-rest-api-client/commit/692903c30b157f7a4edabc2f53aae1742db3a019
                  user_agent_parts = user_agent.split()
                  if len(user_agent_parts) == 3 and user_agent_parts[1].startswith('edx-rest-api-client/'):
                      monitoring.set_custom_metric('request_client_name', user_agent_parts[2])
docs: Add metrics for user agent for python.
  
          Metrics:
               request_user_agent
               request_client_name: The client name from edx-rest-api-client calls.