pyhOn/pyhon/connection/handler/base.py
2023-04-15 15:57:36 +02:00

58 lines
1.9 KiB
Python

import logging
from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from typing import Optional, Callable, Dict, Any
import aiohttp
from typing_extensions import Self
from pyhon import const, exceptions
_LOGGER = logging.getLogger(__name__)
class ConnectionHandler:
_HEADERS: Dict = {
"user-agent": const.USER_AGENT,
"Content-Type": "application/json",
}
def __init__(self, session: Optional[aiohttp.ClientSession] = None) -> None:
self._create_session: bool = session is None
self._session: Optional[aiohttp.ClientSession] = session
async def __aenter__(self) -> Self:
return await self.create()
async def __aexit__(self, exc_type, exc_val, exc_tb) -> None:
await self.close()
async def create(self) -> Self:
if self._create_session:
self._session = aiohttp.ClientSession()
return self
@asynccontextmanager
def _intercept(self, method: Callable, *args, loop: int = 0, **kwargs):
raise NotImplementedError
@asynccontextmanager
async def get(self, *args, **kwargs) -> AsyncIterator[aiohttp.ClientResponse]:
if self._session is None:
raise exceptions.NoSessionException()
response: aiohttp.ClientResponse
async with self._intercept(self._session.get, *args, **kwargs) as response:
yield response
@asynccontextmanager
async def post(self, *args, **kwargs) -> AsyncIterator[aiohttp.ClientResponse]:
if self._session is None:
raise exceptions.NoSessionException()
response: aiohttp.ClientResponse
async with self._intercept(self._session.post, *args, **kwargs) as response:
yield response
async def close(self) -> None:
if self._create_session and self._session is not None:
await self._session.close()