Add InferenceContext.is_empty()

Author: jacobtylerwalls

astroid/context.py

@@ -140,6 +140,18 @@ def restore_path(self) -> Iterator[None]:
         yield
         self.path = path
 
+    def is_empty(self) -> bool:
+        return (
+            not self.path
+            and not self.nodes_inferred
+            and not self.callcontext
+            and not self.boundnode
+            and not self.lookupname
+            and not self.callcontext
+            and not self.extra_context
+            and not self.constraints
+        )
+
     def __str__(self) -> str:
         state = (
             f"{field}={pprint.pformat(getattr(self, field), width=80 - len(field))}"

astroid/inference_tip.py

@@ -46,6 +46,9 @@ def inner(
             # func + node we raise here.
             _CURRENTLY_INFERRING.remove(partial_cache_key)
             raise UseInferenceDefault
+        if context is not None and context.is_empty():
+            # Fresh, empty contexts will defeat the cache.
+            context = None
         try:
             yield from _cache[func, node, context]
             return