aliwo

@Getter
@NoArgsConstructor
@Entity
public class User {

    @OneToMany(mappedBy = "user", fetch = FetchType.LAZY)
    private List<PartyUser> parties = new ArrayList<>();
}

aliwo

from typing import Any

from pydantic import BaseModel


class User:
    id: int
    is_admin: bool
    username: str
    password: str

aliwo

class MyModel:
    user_id: int = None
    article_id: int = None
    comment_id: int = None

    def __init__(self, user_id, article_id=None, comment_id=None):
        self.user_id = user_id
        self.article_id = article_id
        self.comment_id = comment_id

aliwo

class EndpointA:
    def fetch(self):
        pass

class EndpointB:
    def fetch(self):
        pass

class EndpointC:

aliwo

class QuackBehavior:

    def quack(self):
        pass


class SwimBehavior:

    def swim(self):

aliwo

from starlette.middleware.base import BaseHTTPMiddleware
from starlette.responses import JSONResponse



class UnknownExceptionMiddleware(BaseHTTPMiddleware):  # https://www.starlette.io/middleware/#basehttpmiddleware
    def __init__(self, app):
        super().__init__(app)

aliwo

import asyncio
from datetime import date
from uuid import uuid4

import asyncpg

async def get_connection():
    return await asyncpg.connect(
        user='postgres',
        password='1234',