Class: Langfuse::Span

Inherits:
Object
  • Object
show all
Defined in:
lib/langfuse/span.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client:, trace_id:, id: nil, name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, parent_observation_id: nil, version: nil, as_type: nil, **kwargs) ⇒ Span 



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# File 'lib/langfuse/span.rb', line 9

def initialize(client:, trace_id:, id: nil, name: nil, start_time: nil, end_time: nil,
               input: nil, output: nil, metadata: nil, level: nil, status_message: nil,
               parent_observation_id: nil, version: nil, as_type: nil, **kwargs)
  @client = client
  @id = id || Utils.generate_id
  @trace_id = trace_id
  @name = name
  @start_time = start_time
  @end_time = end_time
  @input = input
  @output = output
  @metadata = metadata || {}
  @level = level
  @status_message = status_message
  @parent_observation_id = parent_observation_id
  @version = version
  @as_type = validate_as_type(as_type)
  @kwargs = kwargs

  # Create the span
  create_span
end

Instance Attribute Details

#as_type ⇒ Object (readonly)

Returns the value of attribute as_type.



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# File 'lib/langfuse/span.rb', line 5

def as_type
  @as_type
end

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/langfuse/span.rb', line 5

def client
  @client
end

#end_time ⇒ Object (readonly)

Returns the value of attribute end_time.



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# File 'lib/langfuse/span.rb', line 5

def end_time
  @end_time
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/langfuse/span.rb', line 5

def id
  @id
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/langfuse/span.rb', line 5

def input
  @input
end

#level ⇒ Object (readonly)

Returns the value of attribute level.



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# File 'lib/langfuse/span.rb', line 5

def level
  @level
end

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/langfuse/span.rb', line 5

def metadata
  @metadata
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/langfuse/span.rb', line 5

def name
  @name
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/langfuse/span.rb', line 5

def output
  @output
end

#parent_observation_id ⇒ Object (readonly)

Returns the value of attribute parent_observation_id.



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# File 'lib/langfuse/span.rb', line 5

def parent_observation_id
  @parent_observation_id
end

#start_time ⇒ Object (readonly)

Returns the value of attribute start_time.



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# File 'lib/langfuse/span.rb', line 5

def start_time
  @start_time
end

#status_message ⇒ Object (readonly)

Returns the value of attribute status_message.



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# File 'lib/langfuse/span.rb', line 5

def status_message
  @status_message
end

#trace_id ⇒ Object (readonly)

Returns the value of attribute trace_id.



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# File 'lib/langfuse/span.rb', line 5

def trace_id
  @trace_id
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/langfuse/span.rb', line 5

def version
  @version
end

Instance Method Details

#agent(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child agent observation



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# File 'lib/langfuse/span.rb', line 122

def agent(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
          metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::AGENT,
    **kwargs
  )
end

#chain(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child chain observation



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# File 'lib/langfuse/span.rb', line 158

def chain(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
          metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::CHAIN,
    **kwargs
  )
end

#embedding(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, model: nil, usage: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child embedding observation



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# File 'lib/langfuse/span.rb', line 194

def embedding(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
              model: nil, usage: nil, metadata: nil, level: nil, status_message: nil,
              version: nil, **kwargs)
  merged_metadata = (metadata || {}).merge(
    { model: model, usage: usage }.compact
  )
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: merged_metadata.empty? ? nil : merged_metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::EMBEDDING,
    **kwargs
  )
end

#end(output: nil, end_time: nil, **kwargs) ⇒ Object 



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# File 'lib/langfuse/span.rb', line 48

def end(output: nil, end_time: nil, **kwargs)
  @end_time = end_time || Utils.current_timestamp
  @output = output if output
  @kwargs.merge!(kwargs)

  update_span
  self
end

#evaluator(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child evaluator observation



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# File 'lib/langfuse/span.rb', line 216

def evaluator(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
              metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::EVALUATOR,
    **kwargs
  )
end

#event(name:, start_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child event



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# File 'lib/langfuse/span.rb', line 102

def event(name:, start_time: nil, input: nil, output: nil, metadata: nil,
          level: nil, status_message: nil, version: nil, **kwargs)
  @client.event(
    trace_id: @trace_id,
    name: name,
    start_time: start_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    parent_observation_id: @id,
    version: version,
    **kwargs
  )
end

#generation(name: nil, start_time: nil, end_time: nil, completion_start_time: nil, model: nil, model_parameters: nil, input: nil, output: nil, usage: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child generation



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# File 'lib/langfuse/span.rb', line 78

def generation(name: nil, start_time: nil, end_time: nil, completion_start_time: nil,
               model: nil, model_parameters: nil, input: nil, output: nil, usage: nil,
               metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  @client.generation(
    trace_id: @trace_id,
    name: name,
    start_time: start_time,
    end_time: end_time,
    completion_start_time: completion_start_time,
    model: model,
    model_parameters: model_parameters,
    input: input,
    output: output,
    usage: usage,
    metadata: metadata,
    level: level,
    status_message: status_message,
    parent_observation_id: @id,
    version: version,
    **kwargs
  )
end

#get_url ⇒ Object 



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# File 'lib/langfuse/span.rb', line 262

def get_url
  "#{@client.host}/trace/#{@trace_id}?observation=#{@id}"
end

#guardrail(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child guardrail observation



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# File 'lib/langfuse/span.rb', line 234

def guardrail(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
              metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::GUARDRAIL,
    **kwargs
  )
end

#retriever(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child retriever observation



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# File 'lib/langfuse/span.rb', line 176

def retriever(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
              metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::RETRIEVER,
    **kwargs
  )
end

#score(name:, value:, data_type: nil, comment: nil, **kwargs) ⇒ Object 



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# File 'lib/langfuse/span.rb', line 251

def score(name:, value:, data_type: nil, comment: nil, **kwargs)
  @client.score(
    observation_id: @id,
    name: name,
    value: value,
    data_type: data_type,
    comment: comment,
    **kwargs
  )
end

#span(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, as_type: nil, **kwargs) ⇒ Object

Create a child span



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# File 'lib/langfuse/span.rb', line 58

def span(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
         metadata: nil, level: nil, status_message: nil, version: nil, as_type: nil, **kwargs)
  @client.span(
    trace_id: @trace_id,
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    parent_observation_id: @id,
    version: version,
    as_type: as_type,
    **kwargs
  )
end

#to_dict ⇒ Object 



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# File 'lib/langfuse/span.rb', line 266

def to_dict
  data = {
    id: @id,
    trace_id: @trace_id,
    name: @name,
    start_time: @start_time,
    end_time: @end_time,
    input: @input,
    output: @output,
    metadata: @metadata,
    level: @level,
    status_message: @status_message,
    parent_observation_id: @parent_observation_id,
    version: @version
  }
  data[:type] = @as_type if @as_type
  data.merge(@kwargs).compact
end

#tool(name: nil, start_time: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object

Create a child tool observation



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# File 'lib/langfuse/span.rb', line 140

def tool(name: nil, start_time: nil, end_time: nil, input: nil, output: nil,
         metadata: nil, level: nil, status_message: nil, version: nil, **kwargs)
  span(
    name: name,
    start_time: start_time,
    end_time: end_time,
    input: input,
    output: output,
    metadata: metadata,
    level: level,
    status_message: status_message,
    version: version,
    as_type: ObservationType::TOOL,
    **kwargs
  )
end

#update(name: nil, end_time: nil, input: nil, output: nil, metadata: nil, level: nil, status_message: nil, version: nil, **kwargs) ⇒ Object 



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# File 'lib/langfuse/span.rb', line 32

def update(name: nil, end_time: nil, input: nil, output: nil, metadata: nil,
           level: nil, status_message: nil, version: nil, **kwargs)
  @name = name if name
  @end_time = end_time if end_time
  @input = input if input
  @output = output if output
  @metadata.merge!(metadata) if metadata
  @level = level if level
  @status_message = status_message if status_message
  @version = version if version
  @kwargs.merge!(kwargs)

  update_span
  self
end