| # Copyright 2019 The gRPC Authors |
| # |
| # 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. |
| |
| |
| cdef grpc_status_code get_status_code(object code) except *: |
| if isinstance(code, int): |
| if code >= StatusCode.ok and code <= StatusCode.data_loss: |
| return code |
| else: |
| return StatusCode.unknown |
| else: |
| try: |
| return code.value[0] |
| except (KeyError, AttributeError): |
| return StatusCode.unknown |
| |
| |
| cdef object deserialize(object deserializer, bytes raw_message): |
| """Perform deserialization on raw bytes. |
| |
| Failure to deserialize is a fatal error. |
| """ |
| if deserializer: |
| return deserializer(raw_message) |
| else: |
| return raw_message |
| |
| |
| cdef bytes serialize(object serializer, object message): |
| """Perform serialization on a message. |
| |
| Failure to serialize is a fatal error. |
| """ |
| if serializer: |
| return serializer(message) |
| else: |
| return message |
| |
| |
| class _EOF: |
| |
| def __bool__(self): |
| return False |
| |
| def __len__(self): |
| return 0 |
| |
| def _repr(self) -> str: |
| return '<grpc.aio.EOF>' |
| |
| def __repr__(self) -> str: |
| return self._repr() |
| |
| def __str__(self) -> str: |
| return self._repr() |
| |
| |
| EOF = _EOF() |
| |
| _COMPRESSION_METADATA_STRING_MAPPING = { |
| CompressionAlgorithm.none: 'identity', |
| CompressionAlgorithm.deflate: 'deflate', |
| CompressionAlgorithm.gzip: 'gzip', |
| } |
| |
| class BaseError(Exception): |
| """The base class for all exceptions generated by gRPC framework.""" |
| |
| |
| class UsageError(BaseError): |
| """Raised when the usage might lead to undefined behavior.""" |
| |
| |
| class AbortError(BaseError): |
| """Raised when calling abort in servicer methods. |
| |
| This exception should not be suppressed. Applications may catch it to |
| perform certain clean-up logic, and then re-raise it. |
| """ |
| |
| |
| class InternalError(BaseError): |
| """Raised when unexpected error returned by Core.""" |