dependencies.py•1.69 kB
# Copyright 2024 Heinrich Krupp
#
# 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
#
# http://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.
"""
FastAPI dependencies for the HTTP interface.
"""
import logging
from typing import Optional
from fastapi import HTTPException
from ..storage.base import MemoryStorage
logger = logging.getLogger(__name__)
# Global storage instance
_storage: Optional[MemoryStorage] = None
def set_storage(storage: MemoryStorage) -> None:
"""Set the global storage instance."""
global _storage
_storage = storage
def get_storage() -> MemoryStorage:
"""Get the global storage instance."""
if _storage is None:
raise HTTPException(status_code=503, detail="Storage not initialized")
return _storage
async def create_storage_backend() -> MemoryStorage:
"""
Create and initialize storage backend for web interface based on configuration.
Returns:
Initialized storage backend
"""
from ..config import DATABASE_PATH
from ..storage.factory import create_storage_instance
logger.info("Creating storage backend for web interface...")
# Use shared factory with DATABASE_PATH for web interface
return await create_storage_instance(DATABASE_PATH)