# Copyright (c) "Neo4j"
# Neo4j Sweden AB [https://neo4j.com]
# #
# 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
# #
# https://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 __future__ import annotations
from typing import Any
from neo4j_graphrag.embeddings.base import Embedder
try:
import cohere
except ImportError:
cohere = None # type: ignore
[docs]
class CohereEmbeddings(Embedder):
def __init__(self, model: str = "", **kwargs: Any) -> None:
if cohere is None:
raise ImportError(
"Could not import cohere python client. "
"Please install it with `pip install cohere`."
)
self.model = model
self.client = cohere.Client(**kwargs)
[docs]
def embed_query(self, text: str, **kwargs: Any) -> list[float]:
response = self.client.embed(
texts=[text],
model=self.model,
**kwargs,
)
return response.embeddings[0] # type: ignore