Minor code polishing after ECOC'22 demo

• minor styling improvements in Slice pages
• corrected HTTP status code checking in TransportAPI driver

src/device/service/drivers/transport_api/Tools.py

@@ -17,6 +17,12 @@ from device.service.driver_api._Driver import RESOURCE_ENDPOINTS
 
 LOGGER = logging.getLogger(__name__)
 
+HTTP_OK_CODES = {
+    200,    # OK
+    201,    # Created
+    202,    # Accepted
+    204,    # No Content
+}
 
 def find_key(resource, key):
     return json.loads(resource[1])[key]
@@ -97,10 +103,10 @@ def create_connectivity_service(
         LOGGER.exception('Exception creating ConnectivityService(uuid={:s}, data={:s})'.format(str(uuid), str(data)))
         results.append(e)
     else:
-        if response.status_code != 201:
+        if response.status_code not in HTTP_OK_CODES:
             msg = 'Could not create ConnectivityService(uuid={:s}, data={:s}). status_code={:s} reply={:s}'
             LOGGER.error(msg.format(str(uuid), str(data), str(response.status_code), str(response)))
-        results.append(response.status_code == 201)
+        results.append(response.status_code in HTTP_OK_CODES)
     return results
 
 def delete_connectivity_service(root_url, timeout, uuid):
@@ -113,8 +119,8 @@ def delete_connectivity_service(root_url, timeout, uuid):
         LOGGER.exception('Exception deleting ConnectivityService(uuid={:s})'.format(str(uuid)))
         results.append(e)
     else:
-        if response.status_code != 201:
+        if response.status_code not in HTTP_OK_CODES:
             msg = 'Could not delete ConnectivityService(uuid={:s}). status_code={:s} reply={:s}'
             LOGGER.error(msg.format(str(uuid), str(response.status_code), str(response)))
-        results.append(response.status_code == 202)
+        results.append(response.status_code in HTTP_OK_CODES)
     return results