API refactor

venv/lib/python3.12/site-packages/alembic/util/exc.py

@@ -1,6 +1,25 @@
+from __future__ import annotations
+
+from typing import Any
+from typing import List
+from typing import Tuple
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from alembic.autogenerate import RevisionContext
+
+
 class CommandError(Exception):
     pass
 
 
 class AutogenerateDiffsDetected(CommandError):
-    pass
+    def __init__(
+        self,
+        message: str,
+        revision_context: RevisionContext,
+        diffs: List[Tuple[Any, ...]],
+    ) -> None:
+        super().__init__(message)
+        self.revision_context = revision_context
+        self.diffs = diffs