mirror of https://github.com/milvus-io/milvus.git
137 lines
3.3 KiB
Go
137 lines
3.3 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 siliconflow
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"sort"
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"time"
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"github.com/milvus-io/milvus/internal/util/function/models/utils"
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)
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type EmbeddingRequest struct {
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// ID of the model to use.
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Model string `json:"model"`
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// Input text to embed, encoded as a string.
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Input []string `json:"input"`
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EncodingFormat string `json:"encoding_format,omitempty"`
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}
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type Usage struct {
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// The total number of tokens used by the request.
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TotalTokens int `json:"total_tokens"`
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PromptTokens int `json:"prompt_tokens"`
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CompletionTokens int `json:"completion_tokens"`
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}
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type EmbeddingData struct {
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Object string `json:"object"`
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Embedding []float32 `json:"embedding"`
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Index int `json:"index"`
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}
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type EmbeddingResponse struct {
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Object string `json:"object"`
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Data []EmbeddingData `json:"data"`
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Usage Usage `json:"usage"`
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}
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type ByIndex struct {
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resp *EmbeddingResponse
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}
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func (eb *ByIndex) Len() int { return len(eb.resp.Data) }
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func (eb *ByIndex) Swap(i, j int) {
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eb.resp.Data[i], eb.resp.Data[j] = eb.resp.Data[j], eb.resp.Data[i]
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}
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func (eb *ByIndex) Less(i, j int) bool {
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return eb.resp.Data[i].Index < eb.resp.Data[j].Index
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}
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type SiliconflowEmbedding struct {
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apiKey string
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url string
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}
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func NewSiliconflowEmbeddingClient(apiKey string, url string) *SiliconflowEmbedding {
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return &SiliconflowEmbedding{
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apiKey: apiKey,
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url: url,
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}
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}
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func (c *SiliconflowEmbedding) Check() error {
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if c.apiKey == "" {
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return fmt.Errorf("api key is empty")
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}
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if c.url == "" {
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return fmt.Errorf("url is empty")
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}
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return nil
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}
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func (c *SiliconflowEmbedding) Embedding(modelName string, texts []string, encodingFormat string, timeoutSec int64) (*EmbeddingResponse, error) {
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var r EmbeddingRequest
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r.Model = modelName
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r.Input = texts
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r.EncodingFormat = encodingFormat
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data, err := json.Marshal(r)
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if err != nil {
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return nil, err
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}
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if timeoutSec <= 0 {
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timeoutSec = utils.DefaultTimeout
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutSec)*time.Second)
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defer cancel()
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.url, bytes.NewBuffer(data))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.apiKey))
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body, err := utils.RetrySend(req, 3)
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if err != nil {
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return nil, err
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}
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var res EmbeddingResponse
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err = json.Unmarshal(body, &res)
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if err != nil {
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return nil, err
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}
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sort.Sort(&ByIndex{&res})
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return &res, err
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}
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