Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/bidict/_frozen.py

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+# Copyright 2009-2024 Joshua Bronson. All rights reserved.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+#                             * Code review nav *
+#                        (see comments in __init__.py)
+# ============================================================================
+# ← Prev: _base.py            Current: _frozen.py           Next: _bidict.py →
+# ============================================================================
+
+"""Provide :class:`frozenbidict`, an immutable, hashable bidirectional mapping type."""
+
+from __future__ import annotations
+
+import typing as t
+
+from ._base import BidictBase
+from ._typing import KT
+from ._typing import VT
+
+
+class frozenbidict(BidictBase[KT, VT]):
+    """Immutable, hashable bidict type."""
+
+    _hash: int
+
+    if t.TYPE_CHECKING:
+
+        @property
+        def inverse(self) -> frozenbidict[VT, KT]: ...
+
+        @property
+        def inv(self) -> frozenbidict[VT, KT]: ...
+
+    def __hash__(self) -> int:
+        """The hash of this bidict as determined by its items."""
+        if getattr(self, '_hash', None) is None:
+            # The following is like hash(frozenset(self.items()))
+            # but more memory efficient. See also: https://bugs.python.org/issue46684
+            self._hash = t.ItemsView(self)._hash()
+        return self._hash
+
+
+#                             * Code review nav *
+# ============================================================================
+# ← Prev: _base.py            Current: _frozen.py           Next: _bidict.py →
+# ============================================================================