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George WealeandCopybara-Service
2367901ec5
Co-authored-by: George Weale <gweale@google.com> PiperOrigin-RevId: 858763407
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from .base_session_service import BaseSessionService
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from .in_memory_session_service import InMemorySessionService
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from .session import Session
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from .state import State
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from .vertex_ai_session_service import VertexAiSessionService
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__all__ = [
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'BaseSessionService',
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'DatabaseSessionService',
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'InMemorySessionService',
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'Session',
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'State',
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'VertexAiSessionService',
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]
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def __getattr__(name: str):
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if name == 'DatabaseSessionService':
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try:
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from .database_session_service import DatabaseSessionService
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return DatabaseSessionService
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except ImportError as e:
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raise ImportError(
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'DatabaseSessionService requires sqlalchemy>=2.0, please ensure it is'
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' installed correctly.'
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) from e
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raise AttributeError(f'module {__name__!r} has no attribute {name!r}')
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