Tell IPython to stop inspecting NodeCollection objects; suggested by …

…Harold Gutch
nest · Mar 12, 2024 · f68c60e · f68c60e
1 parent 8dd4b52
commit f68c60e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pynest/nest/lib/hl_api_types.py b/pynest/nest/lib/hl_api_types.py
@@ -547,6 +547,11 @@ def __getattr__(self, attr):
         if not self:
             raise AttributeError("Cannot get attribute of empty NodeCollection")
 
+        # IPython looks up this method when doing pretty printing
+        # Without special casing this, this would go through SLI which is *slow*
+        if attr == "_ipython_canary_method_should_not_exist_":
+            raise KeyError(attr)
+
         if attr == "spatial":
             metadata = sli_func("GetMetadata", self._datum)
             val = metadata if metadata else None