aiohttp_rpc.client.base.BaseJsonRpcClient.json_deserialize() - Code Metrics - Inspection of "Update version" - expert-m/aiohttp-rpc - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 8b315b...690a84 )

by Michael

created 2023-10-15 08:10 UTC

BaseJsonRpcClient.json_deserialize() A

↳ Parent: aiohttp_rpc.client.base

Complexity

Conditions

Size

Total Lines	3
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	3
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
nop	1

import abc
import types
import typing
from functools import partial

from .. import errors, protocol, typedefs, utils


__all__ = (
    'BaseJsonRpcClient',
)


class BaseJsonRpcClient(abc.ABC):
    error_map: typing.Mapping[int, typing.Type[errors.JsonRpcError]] = {
        error.code: error
        for error in errors.DEFAULT_KNOWN_ERRORS
    }

    async def __aenter__(self) -> 'BaseJsonRpcClient':
        await self.connect()
        return self

    async def __aexit__(self,
                        exc_type: typing.Optional[typing.Type[BaseException]],
                        exc_value: typing.Optional[BaseException],
                        traceback: typing.Optional[types.TracebackType]) -> None:
        await self.disconnect()

    def __getattr__(self, method_name: str) -> typing.Callable:
        return partial(self.call, method_name)

    @abc.abstractmethod
    async def connect(self) -> None:
        pass

    @abc.abstractmethod
    async def disconnect(self) -> None:
        pass

    async def call(self, method_name: str, *args, **kwargs) -> typing.Any:
        request = protocol.JsonRpcRequest(id=utils.get_random_id(), method_name=method_name, args=args, kwargs=kwargs)
        response = await self.direct_call(request)

        assert response is not None  # Because it isn't a notification

        if response.error is not None:
            raise response.error

        return response.result

    async def notify(self, method_name: str, *args, **kwargs) -> None:
        request = protocol.JsonRpcRequest(method_name=method_name, args=args, kwargs=kwargs)
        await self.direct_call(request)

    async def batch(self,
                    method_descriptions: typedefs.ClientMethodDescriptionsType, *,
                    save_order: bool = True) -> typing.Sequence:
        if isinstance(method_descriptions, protocol.JsonRpcBatchRequest):
            batch_request = method_descriptions
        else:
            batch_request = protocol.JsonRpcBatchRequest(requests=tuple(
                self._parse_method_description(method_description)
                for method_description in method_descriptions
            ))

        batch_response = await self.direct_batch(batch_request)

        assert batch_response is not None  # Because it isn't a notification

        if save_order:
            return utils.collect_batch_result(batch_request, batch_response)
        else:
            return tuple(
                response.result if response.error is None else response.error
                for response in batch_response.responses
            )

    async def batch_notify(self, method_descriptions: typedefs.ClientMethodDescriptionsType) -> None:
        if isinstance(method_descriptions, protocol.JsonRpcBatchRequest):
            batch_request = method_descriptions
        else:
            batch_request = protocol.JsonRpcBatchRequest(requests=tuple(
                self._parse_method_description(method_description, is_notification=True)
                for method_description in method_descriptions
            ))

        await self.direct_batch(batch_request)

    async def direct_call(self,
                          request: protocol.JsonRpcRequest,
                          **kwargs) -> typing.Optional[protocol.JsonRpcResponse]:
        json_response, context = await self.send_json(
            request.dump(),
            without_response=request.is_notification,
            **kwargs,
        )

        if request.is_notification:
            return None

        response = protocol.JsonRpcResponse.load(
            json_response,
            error_map=self.error_map,
            context=context,
        )

        return response

    async def direct_batch(self,
                           batch_request: protocol.JsonRpcBatchRequest,
                           **kwargs) -> typing.Optional[protocol.JsonRpcBatchResponse]:
        if not batch_request.requests:
            raise errors.InvalidRequest('You can\'t send an empty batch request.')

        is_notification = batch_request.is_notification

        json_response, context = await self.send_json(
            batch_request.dump(),
            without_response=is_notification,
            **kwargs,
        )

        if is_notification:
            return None

        if not json_response:
            raise errors.ParseError('Server returned an empty batch response.')

        return protocol.JsonRpcBatchResponse.load(json_response)

    @abc.abstractmethod
    async def send_json(self,
                        data: typing.Any, *,
                        without_response: bool = False,
                        **kwargs) -> typing.Tuple[typing.Any, typing.Optional[dict]]:
        pass

    @staticmethod
    def json_serialize(data: typing.Any) -> str:
        return utils.json_serialize(data)

    @staticmethod
    def json_deserialize(data: str) -> typing.Any:
        return utils.json_deserialize(data)

    @staticmethod
    def _parse_method_description(method_description: typedefs.ClientMethodDescriptionType, *,
                                  is_notification: bool = False) -> protocol.JsonRpcRequest:
        if isinstance(method_description, protocol.JsonRpcRequest):
            return method_description

        request_id = None if is_notification else utils.get_random_id()

        if isinstance(method_description, str):
            return protocol.JsonRpcRequest(
                id=request_id,
                method_name=method_description,
            )

        if len(method_description) == 1:
            return protocol.JsonRpcRequest(
                id=request_id,
                method_name=method_description[0],
            )

        if len(method_description) == 2:
            return protocol.JsonRpcRequest(
                id=request_id,
                method_name=method_description[0],
                params=method_description[1],
            )

        if len(method_description) == 3:
            return protocol.JsonRpcRequest(
                id=request_id,
                method_name=method_description[0],
                args=method_description[1],
                kwargs=method_description[2],  # type: ignore
            )

        raise errors.InvalidParams('Use string or list (length less than or equal to 3).')


1			import abc
2			import types
3			import typing
4			from functools import partial
5
6			from .. import errors, protocol, typedefs, utils
7
8
9			__all__ = (
10			'BaseJsonRpcClient',
11			)
12
13
14			class BaseJsonRpcClient(abc.ABC):
15			error_map: typing.Mapping[int, typing.Type[errors.JsonRpcError]] = {
16			error.code: error
17			for error in errors.DEFAULT_KNOWN_ERRORS
18			}
19
20			async def __aenter__(self) -> 'BaseJsonRpcClient':
21			await self.connect()
22			return self
23
24			async def __aexit__(self,
25			exc_type: typing.Optional[typing.Type[BaseException]],
26			exc_value: typing.Optional[BaseException],
27			traceback: typing.Optional[types.TracebackType]) -> None:
28			await self.disconnect()
29
30			def __getattr__(self, method_name: str) -> typing.Callable:
31			return partial(self.call, method_name)
32
33			@abc.abstractmethod
34			async def connect(self) -> None:
35			pass
36
37			@abc.abstractmethod
38			async def disconnect(self) -> None:
39			pass
40
41			async def call(self, method_name: str, args, *kwargs) -> typing.Any:
42			request = protocol.JsonRpcRequest(id=utils.get_random_id(), method_name=method_name, args=args, kwargs=kwargs)
43			response = await self.direct_call(request)
44
45			assert response is not None # Because it isn't a notification
46
47			if response.error is not None:
48			raise response.error
49
50			return response.result
51
52			async def notify(self, method_name: str, args, *kwargs) -> None:
53			request = protocol.JsonRpcRequest(method_name=method_name, args=args, kwargs=kwargs)
54			await self.direct_call(request)
55
56			async def batch(self,
57			method_descriptions: typedefs.ClientMethodDescriptionsType, *,
58			save_order: bool = True) -> typing.Sequence:
59			if isinstance(method_descriptions, protocol.JsonRpcBatchRequest):
60			batch_request = method_descriptions
61			else:
62			batch_request = protocol.JsonRpcBatchRequest(requests=tuple(
63			self._parse_method_description(method_description)
64			for method_description in method_descriptions
65			))
66
67			batch_response = await self.direct_batch(batch_request)
68
69			assert batch_response is not None # Because it isn't a notification
70
71			if save_order:
72			return utils.collect_batch_result(batch_request, batch_response)
73			else:
74			return tuple(
75			response.result if response.error is None else response.error
76			for response in batch_response.responses
77			)
78
79			async def batch_notify(self, method_descriptions: typedefs.ClientMethodDescriptionsType) -> None:
80			if isinstance(method_descriptions, protocol.JsonRpcBatchRequest):
81			batch_request = method_descriptions
82			else:
83			batch_request = protocol.JsonRpcBatchRequest(requests=tuple(
84			self._parse_method_description(method_description, is_notification=True)
85			for method_description in method_descriptions
86			))
87
88			await self.direct_batch(batch_request)
89
90			async def direct_call(self,
91			request: protocol.JsonRpcRequest,
92			**kwargs) -> typing.Optional[protocol.JsonRpcResponse]:
93			json_response, context = await self.send_json(
94			request.dump(),
95			without_response=request.is_notification,
96			**kwargs,
97			)
98
99			if request.is_notification:
100			return None
101
102			response = protocol.JsonRpcResponse.load(
103			json_response,
104			error_map=self.error_map,
105			context=context,
106			)
107
108			return response
109
110			async def direct_batch(self,
111			batch_request: protocol.JsonRpcBatchRequest,
112			**kwargs) -> typing.Optional[protocol.JsonRpcBatchResponse]:
113			if not batch_request.requests:
114			raise errors.InvalidRequest('You can\'t send an empty batch request.')
115
116			is_notification = batch_request.is_notification
117
118			json_response, context = await self.send_json(
119			batch_request.dump(),
120			without_response=is_notification,
121			**kwargs,
122			)
123
124			if is_notification:
125			return None
126
127			if not json_response:
128			raise errors.ParseError('Server returned an empty batch response.')
129
130			return protocol.JsonRpcBatchResponse.load(json_response)
131
132			@abc.abstractmethod
133			async def send_json(self,
134			data: typing.Any, *,
135			without_response: bool = False,
136			**kwargs) -> typing.Tuple[typing.Any, typing.Optional[dict]]:
137			pass
138
139			@staticmethod
140			def json_serialize(data: typing.Any) -> str:
141			return utils.json_serialize(data)
142
143			@staticmethod
144			def json_deserialize(data: str) -> typing.Any:
145			return utils.json_deserialize(data)
146
147			@staticmethod
148			def _parse_method_description(method_description: typedefs.ClientMethodDescriptionType, *,
149			is_notification: bool = False) -> protocol.JsonRpcRequest:
150			if isinstance(method_description, protocol.JsonRpcRequest):
151			return method_description
152
153			request_id = None if is_notification else utils.get_random_id()
154
155			if isinstance(method_description, str):
156			return protocol.JsonRpcRequest(
157			id=request_id,
158			method_name=method_description,
159			)
160
161			if len(method_description) == 1:
162			return protocol.JsonRpcRequest(
163			id=request_id,
164			method_name=method_description[0],
165			)
166
167			if len(method_description) == 2:
168			return protocol.JsonRpcRequest(
169			id=request_id,
170			method_name=method_description[0],
171			params=method_description[1],
172			)
173
174			if len(method_description) == 3:
175			return protocol.JsonRpcRequest(
176			id=request_id,
177			method_name=method_description[0],
178			args=method_description[1],
179			kwargs=method_description[2], # type: ignore
180			)
181
182			raise errors.InvalidParams('Use string or list (length less than or equal to 3).')
183

expert-m / aiohttp-rpc

Push — master ( 8b315b...690a84 )

BaseJsonRpcClient.json_deserialize() A

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