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############################################################################
# Original work Copyright 2018 Palantir Technologies, Inc. #
# Original work licensed under the MIT License. #
# See ThirdPartyNotices.txt in the project root for license information. #
# All modifications Copyright (c) Open Law Library. All rights reserved. #
# #
# Licensed under the Apache License, Version 2.0 (the "License") #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
# #
# http: // www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
############################################################################
import traceback
from typing import Set
from typing import Type
from lsprotocol.types import ResponseError
class JsonRpcException(Exception):
"""A class used as a base class for json rpc exceptions."""
def __init__(self, message=None, code=None, data=None):
message = message or getattr(self.__class__, "MESSAGE")
super().__init__(message)
self.message = message
self.code = code or getattr(self.__class__, "CODE")
self.data = data
def __eq__(self, other):
return (
isinstance(other, self.__class__)
and self.code == other.code
and self.message == other.message
)
def __hash__(self):
return hash((self.code, self.message))
@staticmethod
def from_error(error):
for exc_class in _EXCEPTIONS:
if exc_class.supports_code(error.code):
return exc_class(
code=error.code, message=error.message, data=error.data
)
return JsonRpcException(code=error.code, message=error.message, data=error.data)
@classmethod
def supports_code(cls, code):
# Defaults to UnknownErrorCode
return getattr(cls, "CODE", -32001) == code
def to_response_error(self) -> ResponseError:
return ResponseError(code=self.code, message=self.message, data=self.data)
class JsonRpcInternalError(JsonRpcException):
CODE = -32603
MESSAGE = "Internal Error"
@classmethod
def of(cls, exc_info):
exc_type, exc_value, exc_tb = exc_info
return cls(
message="".join(
traceback.format_exception_only(exc_type, exc_value)
).strip(),
data={"traceback": traceback.format_tb(exc_tb)},
)
class JsonRpcInvalidParams(JsonRpcException):
CODE = -32602
MESSAGE = "Invalid Params"
class JsonRpcInvalidRequest(JsonRpcException):
CODE = -32600
MESSAGE = "Invalid Request"
class JsonRpcMethodNotFound(JsonRpcException):
CODE = -32601
MESSAGE = "Method Not Found"
@classmethod
def of(cls, method):
return cls(message=cls.MESSAGE + ": " + method)
class JsonRpcParseError(JsonRpcException):
CODE = -32700
MESSAGE = "Parse Error"
class JsonRpcRequestCancelled(JsonRpcException):
CODE = -32800
MESSAGE = "Request Cancelled"
class JsonRpcContentModified(JsonRpcException):
CODE = -32801
MESSAGE = "Content Modified"
class JsonRpcServerNotInitialized(JsonRpcException):
CODE = -32002
MESSAGE = "ServerNotInitialized"
class JsonRpcUnknownErrorCode(JsonRpcException):
CODE = -32001
MESSAGE = "UnknownErrorCode"
class JsonRpcReservedErrorRangeStart(JsonRpcException):
CODE = -32099
MESSAGE = "jsonrpcReservedErrorRangeStart"
class JsonRpcReservedErrorRangeEnd(JsonRpcException):
CODE = -32000
MESSAGE = "jsonrpcReservedErrorRangeEnd"
class LspReservedErrorRangeStart(JsonRpcException):
CODE = -32899
MESSAGE = "lspReservedErrorRangeStart"
class LspReservedErrorRangeEnd(JsonRpcException):
CODE = -32800
MESSAGE = "lspReservedErrorRangeEnd"
class JsonRpcServerError(JsonRpcException):
def __init__(self, message, code, data=None):
if not _is_server_error_code(code):
raise ValueError("Error code should be in range -32099 - -32000")
super().__init__(message=message, code=code, data=data)
@classmethod
def supports_code(cls, code):
return _is_server_error_code(code)
def _is_server_error_code(code):
return -32099 <= code <= -32000
_EXCEPTIONS: Set[Type[JsonRpcException]] = {
JsonRpcInternalError,
JsonRpcInvalidParams,
JsonRpcInvalidRequest,
JsonRpcMethodNotFound,
JsonRpcParseError,
JsonRpcRequestCancelled,
JsonRpcServerError,
}
class PyglsError(Exception):
pass
class CommandAlreadyRegisteredError(PyglsError):
def __init__(self, command_name):
self.command_name = command_name
def __repr__(self):
return f'Command "{self.command_name}" is already registered.'
class FeatureAlreadyRegisteredError(PyglsError):
def __init__(self, feature_name):
self.feature_name = feature_name
def __repr__(self):
return f'Feature "{self.feature_name}" is already registered.'
class FeatureRequestError(PyglsError):
pass
class FeatureNotificationError(PyglsError):
pass
class MethodTypeNotRegisteredError(PyglsError):
def __init__(self, name):
self.name = name
def __repr__(self):
return f'"{self.name}" is not added to `pygls.lsp.LSP_METHODS_MAP`.'
class ThreadDecoratorError(PyglsError):
pass
class ValidationError(PyglsError):
def __init__(self, errors=None):
self.errors = errors or []
def __repr__(self):
opt_errs = "\n-".join([e for e in self.errors])
return f"Missing options: {opt_errs}"
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