65 lines
2.1 KiB
Go
65 lines
2.1 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/schema"
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"github.com/gogf/gf/v2/frame/g"
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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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// 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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minChunkSize := g.Cfg().MustGet(ctx, "eino.splitter.minChunkSize").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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var batchEmbedder *BatchEmbedder
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provider := g.Cfg().MustGet(ctx, "eino.embedding.provider").String()
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switch provider {
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case providerArk:
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batchEmbedder = NewBatchEmbedder(EmbedderArk, batchSize)
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case providerOpenai:
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batchEmbedder = NewBatchEmbedder(EmbedderOpenAI, batchSize)
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case providerDashscope:
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batchEmbedder = NewBatchEmbedder(EmbedderDashscope, batchSize)
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}
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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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MinChunkSize: minChunkSize,
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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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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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// 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: 512,
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OverlapSize: 100,
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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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return splitter.Transform(ctx, docs)
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}
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