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.venv/Lib/site-packages/psycopg_binary/_uuid.py

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+"""
+Internal objects to support the UUID adapters.
+"""
+
+# Copyright (C) 2025 The Psycopg Team
+
+import uuid
+
+# Re-exports
+UUID = uuid.UUID
+SafeUUID_unknown = uuid.SafeUUID.unknown
+
+
+class _WritableUUID(UUID):
+    """Temporary class, with the same memory layout of UUID, but writable.
+
+    This class must have the same memory layout of the UUID class, so we can
+    create one, setting the `int` attribute, and changing the `__class__`,
+    which should be faster than calling the complex UUID.__init__ machinery.
+
+        u = _WritableUUID()
+        u.is_safe = ...
+        u.int = ...
+        u.__class__ = UUID
+    """
+
+    __slots__ = ()  # Give the class the same memory layout of the base clasee
+
+    # Make the class writable.
+    __setattr__ = object.__setattr__  # type: ignore[assignment]