fix empty graph tests

Author: naspert

Diff for: spikexplore/backends/bluesky.py

@@ -4,6 +4,9 @@
 import logging
 import pandas as pd
 from datetime import datetime, timedelta, timezone
+
+from atproto_client.exceptions import BadRequestError
+
 from spikexplore.NodeInfo import NodeInfo
 from spikexplore.graph import add_node_attributes, add_edges_attributes
 
@@ -99,8 +102,11 @@ def get_user_skeets(self, username):
                 user_skeets.items(),
             )
             return user_skeets, dict(skeets_metadata)
+        except BadRequestError as e:
+            logger.error(f"Error in getting user skeets: code {e.response.status_code} - {e.response.content.message}")
+            return {}, {}
         except Exception as e:
-            logger.error("Error in getting user skeets: ", e)
+            logger.error(f"Error in getting user skeets: {e}")
             return {}, {}
 
     def reshape_node_data(self, node_df):

Diff for: spikexplore/collect_edges.py

@@ -134,8 +134,8 @@ def spiky_ball(initial_node_list, graph_handle, cfg, node_acc=NodeInfo(), progre
                 new_edges = remove_edges_with_target_nodes(new_edges, new_node_list)
 
         new_node_dic, edges_df, nodes_df, node_acc = process_hop(graph_handle, new_node_list, node_acc)
-        if nodes_df.empty:
-            break
+        if edges_df.empty:
+            continue
         nodes_df["spikyball_hop"] = depth  # Mark the depth of the spiky ball on the nodes
 
         total_node_list = total_node_list + new_node_list