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103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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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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*/
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package modelbuilder
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import (
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"context"
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"github.com/cloudwego/eino-ext/components/model/openai"
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"github.com/coze-dev/coze-studio/backend/api/model/admin/config"
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"github.com/coze-dev/coze-studio/backend/api/model/app/bot_common"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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)
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type openaiModelBuilder struct {
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cfg *config.Model
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}
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func newOpenaiModelBuilder(cfg *config.Model) Service {
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return &openaiModelBuilder{
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cfg: cfg,
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}
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}
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func (o *openaiModelBuilder) getDefaultConfig() *openai.ChatModelConfig {
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return &openai.ChatModelConfig{
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MaxCompletionTokens: ptr.Of(4096),
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ResponseFormat: &openai.ChatCompletionResponseFormat{
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Type: "text",
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JSONSchema: nil,
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},
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}
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}
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func (o *openaiModelBuilder) applyParamsToOpenaiConfig(conf *openai.ChatModelConfig, params *LLMParams) {
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if params == nil {
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return
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}
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if params.Temperature != nil {
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conf.Temperature = ptr.Of(*params.Temperature)
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}
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if params.MaxTokens != 0 {
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conf.MaxCompletionTokens = ptr.Of(params.MaxTokens)
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}
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if params.FrequencyPenalty != 0 {
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conf.FrequencyPenalty = ptr.Of(params.FrequencyPenalty)
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}
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if params.PresencePenalty != 0 {
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conf.PresencePenalty = ptr.Of(params.PresencePenalty)
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}
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conf.TopP = params.TopP
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if params.ResponseFormat == bot_common.ModelResponseFormat_JSON {
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conf.ResponseFormat = &openai.ChatCompletionResponseFormat{
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Type: openai.ChatCompletionResponseFormatTypeJSONObject,
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}
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} else {
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conf.ResponseFormat = &openai.ChatCompletionResponseFormat{
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Type: openai.ChatCompletionResponseFormatTypeText,
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}
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}
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}
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func (o *openaiModelBuilder) Build(ctx context.Context, params *LLMParams) (ToolCallingChatModel, error) {
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base := o.cfg.Connection.BaseConnInfo
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conf := o.getDefaultConfig()
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conf.APIKey = base.APIKey
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conf.Model = base.Model
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if base.BaseURL != "" {
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conf.BaseURL = base.BaseURL
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}
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if o.cfg.Connection.Openai != nil {
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conf.APIVersion = o.cfg.Connection.Openai.APIVersion
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conf.ByAzure = o.cfg.Connection.Openai.ByAzure
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}
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o.applyParamsToOpenaiConfig(conf, params)
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return openai.NewChatModel(ctx, conf)
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}
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