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base_bytes.py
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68 lines (54 loc) · 2.1 KB
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# Licensed to the LF AI & Data foundation under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
from abc import abstractmethod
from typing import TYPE_CHECKING, Any, Type, TypeVar
from pydantic import parse_obj_as
from docarray.typing.abstract_type import AbstractType
from docarray.utils._internal.pydantic import bytes_validator, is_pydantic_v2
if is_pydantic_v2:
from pydantic_core import core_schema
if TYPE_CHECKING:
from docarray.proto import NodeProto
if is_pydantic_v2:
from pydantic import GetCoreSchemaHandler
T = TypeVar('T', bound='BaseBytes')
class BaseBytes(bytes, AbstractType):
"""
Bytes type for docarray
"""
@classmethod
def _docarray_validate(
cls: Type[T],
value: Any,
) -> T:
value = bytes_validator(value)
return cls(value)
@classmethod
def from_protobuf(cls: Type[T], pb_msg: T) -> T:
return parse_obj_as(cls, pb_msg)
def _to_node_protobuf(self: T) -> 'NodeProto':
from docarray.proto import NodeProto
return NodeProto(blob=self, type=self._proto_type_name)
if is_pydantic_v2:
@classmethod
@abstractmethod
def __get_pydantic_core_schema__(
cls, _source_type: Any, _handler: 'GetCoreSchemaHandler'
) -> 'core_schema.CoreSchema':
return core_schema.general_after_validator_function(
cls.validate,
core_schema.bytes_schema(),
)