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feat: 支持多模型提供商 embedding

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曲皓东
2026-04-01 13:38:33 +08:00
parent bcbe6eba78
commit 2e4a0a89f1
9 changed files with 631 additions and 447 deletions
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79
rag/eino/document_semantic.go
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@@ -5,59 +5,60 @@ import (
"github.com/cloudwego/eino-ext/components/document/transformer/splitter/recursive"
"github.com/cloudwego/eino-ext/components/document/transformer/splitter/semantic"
"github.com/cloudwego/eino/components/document"
"github.com/cloudwego/eino/schema"
"github.com/gogf/gf/v2/frame/g"
)
// 全局只初始化一次
var (
splitter document.Transformer
)
// SemanticSplitDocument 语义分割文档
func SemanticSplitDocument(ctx context.Context, docs []*schema.Document) (res []*schema.Document, err error) {
if g.IsEmpty(splitter) {
// 默认分隔符（支持中英文）
separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
// 读取配置，使用合理的默认值
bufferSize := g.Cfg().MustGet(ctx, "eino.splitter.bufferSize").Int()
percentile := g.Cfg().MustGet(ctx, "eino.splitter.percentile").Float64()
batchSize := g.Cfg().MustGet(ctx, "eino.splitter.batchSize").Int()
if batchSize <= 0 {
batchSize = 10 // doubao-embedding-vision 限制每批最多 10 个
}
// 默认分隔符（支持中英文）
separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
// 读取配置，使用合理的默认值
bufferSize := g.Cfg().MustGet(ctx, "eino.splitter.bufferSize").Int()
minChunkSize := g.Cfg().MustGet(ctx, "eino.splitter.minChunkSize").Int()
percentile := g.Cfg().MustGet(ctx, "eino.splitter.percentile").Float64()
batchSize := g.Cfg().MustGet(ctx, "eino.splitter.batchSize").Int()
if batchSize <= 0 {
batchSize = 10 // doubao-embedding-vision 限制每批最多 10 个
}
// 使用批量包装器
batchEmbedder := NewBatchEmbedder(Embedder, batchSize)
// 使用批量包装器
var batchEmbedder *BatchEmbedder
provider := g.Cfg().MustGet(ctx, "eino.embedding.provider").String()
switch provider {
case providerArk:
batchEmbedder = NewBatchEmbedder(EmbedderArk, batchSize)
case providerOpenai:
batchEmbedder = NewBatchEmbedder(EmbedderOpenAI, batchSize)
case providerDashscope:
batchEmbedder = NewBatchEmbedder(EmbedderDashscope, batchSize)
}
splitter, err = semantic.NewSplitter(ctx, &semantic.Config{
Embedding: batchEmbedder,
BufferSize: bufferSize,
Percentile: percentile,
Separators: separators,
})
if err != nil {
return
}
splitter, err := semantic.NewSplitter(ctx, &semantic.Config{
Embedding: batchEmbedder,
BufferSize: bufferSize,
MinChunkSize: minChunkSize,
Percentile: percentile,
Separators: separators,
})
if err != nil {
return
}
return splitter.Transform(ctx, docs)
}
// RecursiveSplitDocument 递归分割文档
func RecursiveSplitDocument(ctx context.Context, docs []*schema.Document) (res []*schema.Document, err error) {
if g.IsEmpty(splitter) {
// 默认分隔符（支持中英文）
separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
splitter, err = recursive.NewSplitter(ctx, &recursive.Config{
ChunkSize: 1500,
OverlapSize: 300,
KeepType: recursive.KeepTypeNone,
Separators: separators,
})
if err != nil {
return
}
// 默认分隔符（支持中英文）
separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
splitter, err := recursive.NewSplitter(ctx, &recursive.Config{
ChunkSize: 512,
OverlapSize: 100,
KeepType: recursive.KeepTypeNone,
Separators: separators,
})
if err != nil {
return
}
return splitter.Transform(ctx, docs)
}