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import typing |
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import aiohttp |
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from .base import BaseJsonRpcClient |
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from .. import errors, utils |
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__all__ = ( |
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'JsonRpcClient', |
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) |
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class JsonRpcClient(BaseJsonRpcClient): |
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url: str |
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session: typing.Optional[aiohttp.ClientSession] |
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request_kwargs: dict |
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_session_is_outer: bool |
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def __init__(self, |
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url: str, *, |
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session: typing.Optional[aiohttp.ClientSession] = None, |
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**request_kwargs) -> None: |
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self.url = url |
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self.session = session |
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self.request_kwargs = request_kwargs |
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self._session_is_outer = session is not None # We don't close an outer session. |
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async def connect(self) -> None: |
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if self.session is None: |
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self.session = aiohttp.ClientSession(json_serialize=self.json_serialize, **self.request_kwargs) |
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async def disconnect(self) -> None: |
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if self.session is not None and not self._session_is_outer: |
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await self.session.close() |
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async def send_json(self, |
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data: typing.Any, *, |
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without_response: bool = False, |
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**kwargs) -> typing.Tuple[typing.Any, typing.Optional[dict]]: |
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assert self.session is not None |
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http_response = await self.session.post(self.url, json=data, **kwargs) |
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try: |
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http_response.raise_for_status() |
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except aiohttp.ClientResponseError as e: |
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raise errors.ServerError(f'Server responded with code {http_response.status}.') from e |
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try: |
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json_response = await http_response.json(loads=self.json_deserialize) |
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except aiohttp.ContentTypeError as e: |
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raise errors.ParseError(utils.get_exc_message(e)) from e |
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if without_response: |
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return None, None |
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return json_response, {'http_response': http_response} |
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expert-m /
aiohttp-rpc
