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import typing |
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from dataclasses import dataclass, field |
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from .. import constants, errors, typedefs, utils |
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__all__ = ( |
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'JsonRpcResponse', |
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'JsonRpcBatchResponse', |
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'JsonRpcUnlinkedResults', |
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'JsonRpcDuplicatedResults', |
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) |
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@dataclass |
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class JsonRpcResponse: |
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id: typing.Optional[typedefs.JsonRpcIdType] = None |
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jsonrpc: str = constants.VERSION_2_0 |
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result: typing.Any = None |
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error: typing.Optional[errors.JsonRpcError] = None |
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context: typing.MutableMapping = field(default_factory=dict) |
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@property |
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def is_notification(self) -> bool: |
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return self.id is None |
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@classmethod |
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def load(cls, |
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data: typing.Any, *, |
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error_map: typing.Optional[typing.Mapping] = None, **kwargs) -> 'JsonRpcResponse': |
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cls._validate_json_response(data) |
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response = cls( |
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id=data.get('id'), |
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jsonrpc=data.get('jsonrpc', constants.VERSION_2_0), |
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result=data.get('result'), |
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**kwargs, |
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) |
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if 'error' in data: |
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cls._add_error(response, data['error'], error_map=error_map) |
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return response |
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def dump(self) -> typing.Mapping[str, typing.Any]: |
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data: typing.Dict[str, typing.Any] = { |
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'id': self.id, |
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'jsonrpc': self.jsonrpc, |
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} |
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if self.error is None: |
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data['result'] = self.result |
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else: |
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data['error'] = {'code': self.error.code, 'message': self.error.message} |
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if self.error.data is not None: |
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data['error']['data'] = self.error.data |
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return data |
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@staticmethod |
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def _validate_json_response(data: typing.Any) -> None: |
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if not isinstance(data, typing.Mapping): |
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raise errors.InvalidRequest |
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utils.validate_jsonrpc(data.get('jsonrpc')) |
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if 'result' not in data and 'error' not in data: |
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raise errors.InvalidRequest('"result" or "error" not found in data.', data={'raw_response': data}) |
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@staticmethod |
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def _add_error(response: 'JsonRpcResponse', |
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error: typing.Any, *, |
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error_map: typing.Optional[typing.Mapping] = None) -> None: |
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if not isinstance(error, typing.Mapping): |
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raise errors.InvalidRequest |
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if not {'code', 'message'} <= error.keys(): |
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raise errors.InvalidRequest |
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if error_map: |
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exception_class = error_map.get(error['code'], errors.JsonRpcError) |
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else: |
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exception_class = errors.JsonRpcError |
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response.error = exception_class( |
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message=error['message'], |
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data=error.get('data'), |
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code=error['code'], |
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) |
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@dataclass |
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class JsonRpcBatchResponse: |
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responses: typing.Tuple[JsonRpcResponse, ...] = field(default_factory=tuple) |
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@classmethod |
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def load(cls, |
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data: typing.Any, *, |
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error_map: typing.Optional[typing.Mapping] = None, |
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**kwargs) -> 'JsonRpcBatchResponse': |
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if not isinstance(data, typing.Sequence): |
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raise errors.InvalidRequest('A batch request must be of the list type.') |
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return cls(responses=tuple( |
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JsonRpcResponse.load(item, error_map=error_map, **kwargs) |
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for item in data |
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)) |
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def dump(self) -> typing.Tuple[typing.Mapping[str, typing.Any], ...]: |
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return tuple(response.dump() for response in self.responses) |
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@dataclass |
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class JsonRpcUnlinkedResults: |
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results: typing.MutableSequence = field(default_factory=list) |
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def __bool__(self) -> bool: |
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return len(self.results) > 0 |
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def add(self, value: typing.Any) -> None: |
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self.results.append(value) |
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@dataclass |
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class JsonRpcDuplicatedResults: |
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results: typing.MutableSequence = field(default_factory=list) |
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def __bool__(self) -> bool: |
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return len(self.results) > 0 |
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def add(self, value: typing.Any) -> None: |
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self.results.append(value) |
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expert-m /
aiohttp-rpc
