64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
package eino
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import (
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"context"
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"github.com/cloudwego/eino-ext/components/document/transformer/splitter/recursive"
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"github.com/cloudwego/eino-ext/components/document/transformer/splitter/semantic"
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"github.com/cloudwego/eino/components/document"
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"github.com/cloudwego/eino/schema"
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"github.com/gogf/gf/v2/frame/g"
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)
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// 全局只初始化一次
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var (
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splitter document.Transformer
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)
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// SemanticSplitDocument 语义分割文档
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func SemanticSplitDocument(ctx context.Context, docs []*schema.Document) (res []*schema.Document, err error) {
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if g.IsEmpty(splitter) {
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// 默认分隔符（支持中英文）
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separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
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// 读取配置，使用合理的默认值
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bufferSize := g.Cfg().MustGet(ctx, "eino.splitter.bufferSize").Int()
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percentile := g.Cfg().MustGet(ctx, "eino.splitter.percentile").Float64()
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batchSize := g.Cfg().MustGet(ctx, "eino.splitter.batchSize").Int()
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if batchSize <= 0 {
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batchSize = 10 // doubao-embedding-vision 限制每批最多 10 个
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}
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// 使用批量包装器
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batchEmbedder := NewBatchEmbedder(Embedder, batchSize)
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splitter, err = semantic.NewSplitter(ctx, &semantic.Config{
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Embedding: batchEmbedder,
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BufferSize: bufferSize,
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Percentile: percentile,
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Separators: separators,
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})
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if err != nil {
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return
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}
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}
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return splitter.Transform(ctx, docs)
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}
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// RecursiveSplitDocument 递归分割文档
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func RecursiveSplitDocument(ctx context.Context, docs []*schema.Document) (res []*schema.Document, err error) {
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if g.IsEmpty(splitter) {
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// 默认分隔符（支持中英文）
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separators := []string{"\n\n", "\n", "。", "！", "？", "；", ".", "!", "?", ";"}
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splitter, err = recursive.NewSplitter(ctx, &recursive.Config{
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ChunkSize: 1500,
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OverlapSize: 300,
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KeepType: recursive.KeepTypeNone,
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Separators: separators,
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})
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if err != nil {
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return
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}
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}
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return splitter.Transform(ctx, docs)
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}
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