81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
import logging
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from collections.abc import AsyncIterator
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from contextlib import asynccontextmanager
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from types import TracebackType
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from typing import Optional, Dict, Type, Any
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import aiohttp
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from typing_extensions import Self
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from yarl import URL
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from pyhon import const, exceptions
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from pyhon.typedefs import Callback
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_LOGGER = logging.getLogger(__name__)
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class ConnectionHandler:
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_HEADERS: Dict[str, str] = {
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"user-agent": const.USER_AGENT,
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"Content-Type": "application/json",
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}
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def __init__(self, session: Optional[aiohttp.ClientSession] = None) -> None:
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self._create_session: bool = session is None
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self._session: Optional[aiohttp.ClientSession] = session
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async def __aenter__(self) -> Self:
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return await self.create()
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async def __aexit__(
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self,
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exc_type: Optional[Type[BaseException]],
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exc: Optional[BaseException],
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traceback: Optional[TracebackType],
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) -> None:
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await self.close()
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@property
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def session(self) -> aiohttp.ClientSession:
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if self._session is None:
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raise exceptions.NoSessionException
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return self._session
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async def create(self) -> Self:
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if self._create_session:
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self._session = aiohttp.ClientSession()
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return self
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@asynccontextmanager
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async def _intercept(
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self, method: Callback, url: str | URL, *args: Any, **kwargs: Dict[str, Any]
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) -> AsyncIterator[aiohttp.ClientResponse]:
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async with method(url, *args, **kwargs) as response:
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yield response
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@asynccontextmanager
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async def get(
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self, *args: Any, **kwargs: Any
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) -> AsyncIterator[aiohttp.ClientResponse]:
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if self._session is None:
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raise exceptions.NoSessionException()
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response: aiohttp.ClientResponse
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args = self._session.get, *args
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async with self._intercept(*args, **kwargs) as response:
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yield response
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@asynccontextmanager
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async def post(
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self, *args: Any, **kwargs: Any
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) -> AsyncIterator[aiohttp.ClientResponse]:
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if self._session is None:
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raise exceptions.NoSessionException()
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response: aiohttp.ClientResponse
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args = self._session.post, *args
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async with self._intercept(*args, **kwargs) as response:
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yield response
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async def close(self) -> None:
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if self._create_session and self._session is not None:
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await self._session.close()
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