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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| --- | ||
| title: "Observer" | ||
| description: | ||
| linkTitle: "Observer" | ||
| menu: { main: { parent: 'reference', weight: -92 } } | ||
| --- | ||
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| ## Observer | ||
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| The `Observer` interface helps to observe, debug, and analyze LLM applications. This component tracks metrics (e.g. LLM cost, latency, quality) and gains insights from external dashboards and data exports. To enable tracing an LLM application, create an observer and pass it to the LLM instance. | ||
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| ### Supported platform | ||
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| * [Langfuse](https://langfuse.com/) | ||
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| ### Usage | ||
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| ```go | ||
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| o := langfuse.New(context.Background()) | ||
| trace, err := o.Trace(&observer.Trace{Name: "Who are you"}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| openaillm := openai.New().WithObserver(o, trace.ID) | ||
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| t := thread.New().AddMessage( | ||
| thread.NewUserMessage().AddContent( | ||
| thread.NewTextContent("Hello, who are you?"), | ||
| ), | ||
| ) | ||
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| err = openaillm.Generate(context.Background(), t) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| o.Flush(context.Background()) | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
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| "github.com/henomis/lingoose/observer" | ||
| "github.com/henomis/lingoose/observer/langfuse" | ||
| "github.com/henomis/lingoose/thread" | ||
| "github.com/henomis/lingoose/types" | ||
| ) | ||
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| func main() { | ||
| l := langfuse.New(context.Background()) | ||
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| trace, err := l.Trace( | ||
| &observer.Trace{ | ||
| Name: "trace", | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| span, err := l.Span( | ||
| &observer.Span{ | ||
| Name: "span", | ||
| TraceID: trace.ID, | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| generation, err := l.Generation( | ||
| &observer.Generation{ | ||
| ParentID: span.ID, | ||
| TraceID: trace.ID, | ||
| Name: "generation", | ||
| Model: "gpt-3.5-turbo", | ||
| ModelParameters: types.M{ | ||
| "maxTokens": "1000", | ||
| "temperature": "0.9", | ||
| }, | ||
| Input: []*thread.Message{ | ||
| { | ||
| Role: thread.RoleSystem, | ||
| Contents: []*thread.Content{ | ||
| { | ||
| Type: thread.ContentTypeText, | ||
| Data: "You are a helpful assistant.", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| Role: thread.RoleUser, | ||
| Contents: []*thread.Content{ | ||
| { | ||
| Type: thread.ContentTypeText, | ||
| Data: "Please generate a summary of the following documents \nThe engineering department defined the following OKR goals...\nThe marketing department defined the following OKR goals...", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Metadata: types.M{ | ||
| "key": "value", | ||
| }, | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| _, err = l.Event( | ||
| &observer.Event{ | ||
| ParentID: generation.ID, | ||
| TraceID: trace.ID, | ||
| Name: "event", | ||
| Metadata: types.M{ | ||
| "key": "value", | ||
| }, | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| generation.Output = &thread.Message{ | ||
| Role: thread.RoleAssistant, | ||
| Contents: []*thread.Content{ | ||
| { | ||
| Type: thread.ContentTypeText, | ||
| Data: "The Q3 OKRs contain goals for multiple teams...", | ||
| }, | ||
| }, | ||
| } | ||
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| _, err = l.GenerationEnd(generation) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| _, err = l.Score( | ||
| &observer.Score{ | ||
| TraceID: trace.ID, | ||
| Name: "score", | ||
| Value: 0.9, | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| _, err = l.SpanEnd(span) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| l.Flush(context.Background()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package main | ||
|
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| import ( | ||
| "context" | ||
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| "github.com/henomis/lingoose/llm/openai" | ||
| "github.com/henomis/lingoose/observer" | ||
| "github.com/henomis/lingoose/observer/langfuse" | ||
| "github.com/henomis/lingoose/thread" | ||
| ) | ||
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| func main() { | ||
| o := langfuse.New(context.Background()) | ||
| trace, err := o.Trace(&observer.Trace{Name: "Who are you"}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| openaillm := openai.New().WithObserver(o, trace.ID) | ||
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| t := thread.New().AddMessage( | ||
| thread.NewUserMessage().AddContent( | ||
| thread.NewTextContent("Hello, who are you?"), | ||
| ), | ||
| ) | ||
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| err = openaillm.Generate(context.Background(), t) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| o.Flush(context.Background()) | ||
| } |
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