docarray/docarray/base_doc/base_node.py at main · docarray/docarray · GitHub

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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 ABC, abstractmethod

from typing import TYPE_CHECKING, TypeVar, Optional, Type

if TYPE_CHECKING:

from docarray.proto import NodeProto

T = TypeVar('T')

class BaseNode(ABC):

"""

A DocumentNode is an object than can be nested inside a Document.

A Document itself is a DocumentNode as well as prebuilt type

"""

_proto_type_name: Optional[str] = None

@abstractmethod

def _to_node_protobuf(self) -> 'NodeProto':

"""Convert itself into a NodeProto message. This function should

be called when the self is nested into another Document that need to be

converted into a protobuf

:return: the nested item protobuf message

"""

...

@classmethod

@abstractmethod

def from_protobuf(cls: Type[T], pb_msg: T) -> T:

...

def _docarray_to_json_compatible(self):

"""

Convert itself into a json compatible object

"""

...

docarray/docarray/base_doc/base_node.py at main · docarray/docarray · GitHub

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