50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// Copyright 2023 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package embedding
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import (
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"context"
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"github.com/casibase/casibase/proxy"
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"github.com/henomis/lingoose/embedder/huggingface"
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)
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type HuggingFaceEmbeddingProvider struct {
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subType string
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secretKey string
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}
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func NewHuggingFaceEmbeddingProvider(subType string, secretKey string) (*HuggingFaceEmbeddingProvider, error) {
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return &HuggingFaceEmbeddingProvider{subType: subType, secretKey: secretKey}, nil
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}
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func (h *HuggingFaceEmbeddingProvider) QueryVector(text string, ctx context.Context) ([]float32, error) {
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client := huggingfaceembedder.New().WithToken(h.secretKey).WithModel(h.subType).WithHTTPClient(proxy.ProxyHttpClient)
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embed, err := client.Embed(ctx, []string{text})
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if err != nil {
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return nil, err
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}
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return float64ToFloat32(embed[0]), nil
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}
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func float64ToFloat32(slice []float64) []float32 {
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newSlice := make([]float32, len(slice))
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for i, v := range slice {
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newSlice[i] = float32(v)
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}
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return newSlice
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}
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