@mytec: pushed back before 1.1

backend/venv/lib/python3.12/site-packages/pymongo/database_shared.py

@@ -0,0 +1,34 @@
+# Copyright 2024-present MongoDB, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you
+# may not use this file except in compliance with the License.  You
+# may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.  See the License for the specific language governing
+# permissions and limitations under the License.
+
+
+"""Constants, helpers, and types shared across all database classes."""
+from __future__ import annotations
+
+from typing import Any, Mapping, TypeVar
+
+from pymongo.errors import InvalidName
+
+
+def _check_name(name: str) -> None:
+    """Check if a database name is valid."""
+    if not name:
+        raise InvalidName("database name cannot be the empty string")
+
+    for invalid_char in [" ", ".", "$", "/", "\\", "\x00", '"']:
+        if invalid_char in name:
+            raise InvalidName("database names cannot contain the character %r" % invalid_char)
+
+
+_CodecDocumentType = TypeVar("_CodecDocumentType", bound=Mapping[str, Any])