274 lines
8.2 KiB
Go
274 lines
8.2 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 chatmodel
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import (
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"context"
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"fmt"
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"github.com/cloudwego/eino-ext/components/model/ark"
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"github.com/cloudwego/eino-ext/components/model/claude"
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"github.com/cloudwego/eino-ext/components/model/deepseek"
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"github.com/cloudwego/eino-ext/components/model/gemini"
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"github.com/cloudwego/eino-ext/components/model/ollama"
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"github.com/cloudwego/eino-ext/components/model/openai"
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"github.com/cloudwego/eino-ext/components/model/qwen"
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"github.com/ollama/ollama/api"
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"google.golang.org/genai"
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"github.com/coze-dev/coze-studio/backend/infra/contract/chatmodel"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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)
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type Builder func(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error)
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func NewDefaultFactory() chatmodel.Factory {
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return NewFactory(nil)
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}
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func NewFactory(customFactory map[chatmodel.Protocol]Builder) chatmodel.Factory {
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protocol2Builder := map[chatmodel.Protocol]Builder{
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chatmodel.ProtocolOpenAI: openAIBuilder,
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chatmodel.ProtocolClaude: claudeBuilder,
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chatmodel.ProtocolDeepseek: deepseekBuilder,
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chatmodel.ProtocolArk: arkBuilder,
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chatmodel.ProtocolGemini: geminiBuilder,
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chatmodel.ProtocolOllama: ollamaBuilder,
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chatmodel.ProtocolQwen: qwenBuilder,
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chatmodel.ProtocolErnie: nil,
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}
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for p := range customFactory {
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protocol2Builder[p] = customFactory[p]
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}
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return &defaultFactory{protocol2Builder: protocol2Builder}
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}
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type defaultFactory struct {
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protocol2Builder map[chatmodel.Protocol]Builder
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}
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func (f *defaultFactory) CreateChatModel(ctx context.Context, protocol chatmodel.Protocol, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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if config == nil {
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return nil, fmt.Errorf("[CreateChatModel] config not provided")
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}
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builder, found := f.protocol2Builder[protocol]
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if !found {
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return nil, fmt.Errorf("[CreateChatModel] protocol not support, protocol=%s", protocol)
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}
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return builder(ctx, config)
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}
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func (f *defaultFactory) SupportProtocol(protocol chatmodel.Protocol) bool {
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_, found := f.protocol2Builder[protocol]
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return found
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}
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func openAIBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &openai.ChatModelConfig{
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APIKey: config.APIKey,
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Timeout: config.Timeout,
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BaseURL: config.BaseURL,
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Model: config.Model,
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MaxTokens: config.MaxTokens,
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Temperature: config.Temperature,
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TopP: config.TopP,
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Stop: config.Stop,
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PresencePenalty: config.PresencePenalty,
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FrequencyPenalty: config.FrequencyPenalty,
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}
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if config.OpenAI != nil {
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cfg.ByAzure = config.OpenAI.ByAzure
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cfg.APIVersion = config.OpenAI.APIVersion
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cfg.ResponseFormat = config.OpenAI.ResponseFormat
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}
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return openai.NewChatModel(ctx, cfg)
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}
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func claudeBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &claude.Config{
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APIKey: config.APIKey,
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Model: config.Model,
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Temperature: config.Temperature,
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TopP: config.TopP,
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StopSequences: config.Stop,
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}
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if config.BaseURL != "" {
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cfg.BaseURL = &config.BaseURL
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}
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if config.MaxTokens != nil {
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cfg.MaxTokens = *config.MaxTokens
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}
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if config.TopK != nil {
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cfg.TopK = ptr.Of(int32(*config.TopK))
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}
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if config.Claude != nil {
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cfg.ByBedrock = config.Claude.ByBedrock
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cfg.AccessKey = config.Claude.AccessKey
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cfg.SecretAccessKey = config.Claude.SecretAccessKey
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cfg.SessionToken = config.Claude.SessionToken
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cfg.Region = config.Claude.Region
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}
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return claude.NewChatModel(ctx, cfg)
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}
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func deepseekBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &deepseek.ChatModelConfig{
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APIKey: config.APIKey,
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Timeout: config.Timeout,
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BaseURL: config.BaseURL,
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Model: config.Model,
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Stop: config.Stop,
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}
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if config.Temperature != nil {
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cfg.Temperature = *config.Temperature
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}
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if config.FrequencyPenalty != nil {
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cfg.FrequencyPenalty = *config.FrequencyPenalty
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}
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if config.PresencePenalty != nil {
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cfg.PresencePenalty = *config.PresencePenalty
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}
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if config.MaxTokens != nil {
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cfg.MaxTokens = *config.MaxTokens
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}
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if config.TopP != nil {
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cfg.TopP = *config.TopP
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}
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if config.Deepseek != nil {
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cfg.ResponseFormatType = config.Deepseek.ResponseFormatType
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}
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return deepseek.NewChatModel(ctx, cfg)
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}
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func arkBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &ark.ChatModelConfig{
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BaseURL: config.BaseURL,
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APIKey: config.APIKey,
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Model: config.Model,
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MaxTokens: config.MaxTokens,
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Temperature: config.Temperature,
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TopP: config.TopP,
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Stop: config.Stop,
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FrequencyPenalty: config.FrequencyPenalty,
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PresencePenalty: config.PresencePenalty,
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}
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if config.Timeout != 0 {
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cfg.Timeout = &config.Timeout
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}
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if config.Ark != nil {
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cfg.Region = config.Ark.Region
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cfg.AccessKey = config.Ark.AccessKey
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cfg.SecretKey = config.Ark.SecretKey
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cfg.RetryTimes = config.Ark.RetryTimes
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cfg.CustomHeader = config.Ark.CustomHeader
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}
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return ark.NewChatModel(ctx, cfg)
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}
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func ollamaBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &ollama.ChatModelConfig{
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BaseURL: config.BaseURL,
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Timeout: config.Timeout,
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HTTPClient: nil,
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Model: config.Model,
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Format: nil,
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KeepAlive: nil,
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Options: &api.Options{
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TopK: ptr.From(config.TopK),
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TopP: ptr.From(config.TopP),
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Temperature: ptr.From(config.Temperature),
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PresencePenalty: ptr.From(config.PresencePenalty),
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FrequencyPenalty: ptr.From(config.FrequencyPenalty),
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Stop: config.Stop,
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},
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}
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return ollama.NewChatModel(ctx, cfg)
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}
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func qwenBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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cfg := &qwen.ChatModelConfig{
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APIKey: config.APIKey,
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Timeout: config.Timeout,
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BaseURL: config.BaseURL,
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Model: config.Model,
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MaxTokens: config.MaxTokens,
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Temperature: config.Temperature,
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TopP: config.TopP,
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Stop: config.Stop,
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PresencePenalty: config.PresencePenalty,
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FrequencyPenalty: config.FrequencyPenalty,
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EnableThinking: config.EnableThinking,
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}
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if config.Qwen != nil {
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cfg.ResponseFormat = config.Qwen.ResponseFormat
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}
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return qwen.NewChatModel(ctx, cfg)
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}
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func geminiBuilder(ctx context.Context, config *chatmodel.Config) (chatmodel.ToolCallingChatModel, error) {
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gc := &genai.ClientConfig{
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APIKey: config.APIKey,
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HTTPOptions: genai.HTTPOptions{
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BaseURL: config.BaseURL,
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},
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}
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if config.Gemini != nil {
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gc.Backend = config.Gemini.Backend
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gc.Project = config.Gemini.Project
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gc.Location = config.Gemini.Location
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gc.HTTPOptions.APIVersion = config.Gemini.APIVersion
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gc.HTTPOptions.Headers = config.Gemini.Headers
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}
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client, err := genai.NewClient(ctx, gc)
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if err != nil {
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return nil, err
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}
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cfg := &gemini.Config{
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Client: client,
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Model: config.Model,
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MaxTokens: config.MaxTokens,
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Temperature: config.Temperature,
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TopP: config.TopP,
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ThinkingConfig: &genai.ThinkingConfig{
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IncludeThoughts: true,
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ThinkingBudget: nil,
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},
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}
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if config.TopK != nil {
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cfg.TopK = ptr.Of(int32(ptr.From(config.TopK)))
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}
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if config.Gemini != nil && config.Gemini.IncludeThoughts != nil {
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cfg.ThinkingConfig.IncludeThoughts = ptr.From(config.Gemini.IncludeThoughts)
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}
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if config.Gemini != nil && config.Gemini.ThinkingBudget != nil {
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cfg.ThinkingConfig.ThinkingBudget = config.Gemini.ThinkingBudget
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}
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cm, err := gemini.NewChatModel(ctx, cfg)
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if err != nil {
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return nil, err
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}
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return cm, nil
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}
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