Changed code to support older Python versions

venv/lib/python3.11/site-packages/sentry_sdk/integrations/dedupe.py

@@ -0,0 +1,67 @@
+import weakref
+
+import sentry_sdk
+from sentry_sdk.utils import ContextVar, logger
+from sentry_sdk.integrations import Integration
+from sentry_sdk.scope import add_global_event_processor
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from typing import Optional
+
+    from sentry_sdk._types import Event, Hint
+
+
+class DedupeIntegration(Integration):
+    identifier = "dedupe"
+
+    def __init__(self):
+        # type: () -> None
+        self._last_seen = ContextVar("last-seen")
+
+    @staticmethod
+    def setup_once():
+        # type: () -> None
+        @add_global_event_processor
+        def processor(event, hint):
+            # type: (Event, Optional[Hint]) -> Optional[Event]
+            if hint is None:
+                return event
+
+            integration = sentry_sdk.get_client().get_integration(DedupeIntegration)
+            if integration is None:
+                return event
+
+            exc_info = hint.get("exc_info", None)
+            if exc_info is None:
+                return event
+
+            last_seen = integration._last_seen.get(None)
+            if last_seen is not None:
+                # last_seen is either a weakref or the original instance
+                last_seen = (
+                    last_seen() if isinstance(last_seen, weakref.ref) else last_seen
+                )
+
+            exc = exc_info[1]
+            if last_seen is exc:
+                logger.info("DedupeIntegration dropped duplicated error event %s", exc)
+                return None
+
+            # we can only weakref non builtin types
+            try:
+                integration._last_seen.set(weakref.ref(exc))
+            except TypeError:
+                integration._last_seen.set(exc)
+
+            return event
+
+    @staticmethod
+    def reset_last_seen():
+        # type: () -> None
+        integration = sentry_sdk.get_client().get_integration(DedupeIntegration)
+        if integration is None:
+            return
+
+        integration._last_seen.set(None)