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60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Implementation of classes for API access via libraries.
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"""
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from typing import Mapping, Optional
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import asyncio
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from pathlib import Path
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from sqlalchemy.engine.url import URL
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from sqlalchemy.ext.asyncio import create_async_engine
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from nominatim.config import Configuration
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from nominatim.apicmd.status import get_status, StatusResult
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class NominatimAPIAsync:
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""" API loader asynchornous version.
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"""
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def __init__(self, project_dir: Path,
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environ: Optional[Mapping[str, str]] = None) -> None:
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self.config = Configuration(project_dir, environ)
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dsn = self.config.get_database_params()
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dburl = URL.create(
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'postgresql+asyncpg',
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database=dsn.get('dbname'),
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username=dsn.get('user'), password=dsn.get('password'),
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host=dsn.get('host'), port=int(dsn['port']) if 'port' in dsn else None,
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query={k: v for k, v in dsn.items()
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if k not in ('user', 'password', 'dbname', 'host', 'port')})
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self.engine = create_async_engine(dburl,
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connect_args={"server_settings": {"jit": "off"}},
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future=True)
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async def status(self) -> StatusResult:
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""" Return the status of the database.
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"""
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return await get_status(self.engine)
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class NominatimAPI:
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""" API loader, synchronous version.
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"""
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def __init__(self, project_dir: Path,
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environ: Optional[Mapping[str, str]] = None) -> None:
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self.async_api = NominatimAPIAsync(project_dir, environ)
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def status(self) -> StatusResult:
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""" Return the status of the database.
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"""
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return asyncio.get_event_loop().run_until_complete(self.async_api.status())
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