Reduce Owlery 502 log noise: replace full tracebacks with concise warnings

Author: Robbie1977

setup.py

@@ -3,7 +3,7 @@
 
 here = path.abspath(path.dirname(__file__))
 
-__version__ = "1.6.2"
+__version__ = "1.6.3"
 
 # Get the long description from the README file
 with open(path.join(here, 'README.md')) as f:

src/vfbquery/owlery_client.py

@@ -178,11 +178,9 @@ def gen_short_form(iri):
 
             return short_forms
 
-        except requests.RequestException as e:
-            print(f"ERROR: Owlery request failed: {e}")
+        except requests.RequestException:
             raise
-        except Exception as e:
-            print(f"ERROR: Unexpected error in Owlery query: {e}")
+        except Exception:
             raise
 
     def get_instances(self, query: str, query_by_label: bool = True, 
@@ -293,18 +291,9 @@ def gen_short_form(iri):
 
             return short_forms
 
-        except requests.RequestException as e:
-            # Show the full URL that was attempted
-            try:
-                full_url = f"{self.owlery_endpoint}/instances"
-                prepared_request = requests.Request('GET', full_url, params=params).prepare()
-                print(f"ERROR: Owlery instances request failed: {e}")
-                print(f"       Test URL: {prepared_request.url}")
-            except:
-                print(f"ERROR: Owlery instances request failed: {e}")
+        except requests.RequestException:
             raise
-        except Exception as e:
-            print(f"ERROR: Unexpected error in Owlery instances query: {e}")
+        except Exception:
             raise
 
 

src/vfbquery/vfb_queries.py

@@ -3484,11 +3484,17 @@ def _owlery_query_to_results(owl_query_string: str, short_form: str, return_data
             }
         else:
             # Other errors (500, network issues, etc.) - return error indication
-            print(f"ERROR: Owlery {'instances' if query_instances else 'subclasses'} query failed: {e}", file=sys.stderr)
-            print(f"       Full URL: {owlery_url}", file=sys.stderr)
-            print(f"       Query string: {owl_query_string}", file=sys.stderr)
-            import traceback
-            traceback.print_exc()
+            import requests as _requests
+            is_connection_error = isinstance(e, (_requests.exceptions.RetryError,
+                                                 _requests.exceptions.ConnectionError))
+            if is_connection_error:
+                print(f"WARNING: Owlery unavailable for query '{owl_query_string}': {type(e).__name__}", file=sys.stderr)
+            else:
+                print(f"ERROR: Owlery {'instances' if query_instances else 'subclasses'} query failed: {e}", file=sys.stderr)
+                print(f"       Full URL: {owlery_url}", file=sys.stderr)
+                print(f"       Query string: {owl_query_string}", file=sys.stderr)
+                import traceback
+                traceback.print_exc()
             # Return error indication with count=-1
             if return_dataframe:
                 return pd.DataFrame()