pythonasyncioapiasyncfastapiframeworkjsonjson-schemaopenapiopenapi3pydanticpython-typespython3redocreststarletteswaggerswagger-uiuvicornweb
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55 lines
1.2 KiB
55 lines
1.2 KiB
from dataclasses import dataclass
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from typing import Annotated
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from fastapi import Depends, FastAPI, Path
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from typing_extensions import Self
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@dataclass
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class MyDatabaseConnection:
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"""
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This is a mock just for example purposes.
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"""
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connection_string: str
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async def __aenter__(self) -> Self:
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return self
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async def __aexit__(self, exc_type, exc_val, exc_tb):
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pass
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async def get_record(self, table_name: str, record_id: str) -> dict:
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pass
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app = FastAPI()
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async def get_configuration() -> dict:
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return {
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"database_url": "sqlite:///database.db",
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}
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GlobalConfiguration = Annotated[
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dict, Depends(get_configuration, dependency_scope="lifespan")
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]
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async def get_database_connection(configuration: GlobalConfiguration):
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async with MyDatabaseConnection(configuration["database_url"]) as connection:
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yield connection
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GlobalDatabaseConnection = Annotated[
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get_database_connection,
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Depends(get_database_connection, dependency_scope="lifespan"),
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]
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@app.get("/users/{user_id}")
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async def read_user(
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database_connection: GlobalDatabaseConnection, user_id: Annotated[str, Path()]
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):
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return await database_connection.get_record("users", user_id)
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