Class: DSPy::Registry::SignatureRegistry

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dspy/registry/signature_registry.rb

Overview

Registry for managing signature versions and deployments Provides version control, rollback capabilities, and deployment tracking

Defined Under Namespace

Classes: RegistryConfig, SignatureVersion

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config: nil) ⇒ SignatureRegistry

Returns a new instance of SignatureRegistry.



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# File 'lib/dspy/registry/signature_registry.rb', line 210

def initialize(config: nil)
  @config = config || RegistryConfig.new
  setup_registry_directory
  load_or_create_config
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/dspy/registry/signature_registry.rb', line 207

def config
  @config
end

Instance Method Details

#compare_versions(signature_name, version1, version2) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 444

def compare_versions(signature_name, version1, version2)
  versions = load_signature_versions(signature_name)
  v1 = versions.find { |v| v.version == version1 }
  v2 = versions.find { |v| v.version == version2 }

  return nil unless v1 && v2

  {
    version_1: {
      version: v1.version,
      created_at: v1.created_at.iso8601,
      performance_score: v1.performance_score,
      is_deployed: v1.is_deployed,
      configuration: v1.configuration
    },
    version_2: {
      version: v2.version,
      created_at: v2.created_at.iso8601,
      performance_score: v2.performance_score,
      is_deployed: v2.is_deployed,
      configuration: v2.configuration
    },
    comparison: {
      age_difference_hours: ((v1.created_at - v2.created_at) / 3600).round(2),
      performance_difference: (v1.performance_score || 0) - (v2.performance_score || 0),
      configuration_changes: compare_configurations(v1.configuration, v2.configuration)
    }
  }
end

#deploy_version(signature_name, version) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 270

def deploy_version(signature_name, version)
  emit_deploy_start_event(signature_name, version)

  begin
    versions = load_signature_versions(signature_name)
    target_version = versions.find { |v| v.version == version }

    return nil unless target_version

    # Backup current deployment if configured
    if @config.backup_on_deploy
      current_deployed = get_deployed_version(signature_name)
      if current_deployed
        create_deployment_backup(current_deployed)
      end
    end

    # Mark currently deployed version as previously deployed and undeploy all
    versions = versions.map do |v|
      if v.is_deployed
        # Add deployment history metadata
        updated_metadata = v.metadata.merge(was_deployed: true, last_deployed_at: Time.now.iso8601)
        SignatureVersion.new(
          signature_name: v.signature_name,
          version: v.version,
          configuration: v.configuration,
          metadata: updated_metadata,
          program_id: v.program_id,
          is_deployed: false,
          performance_score: v.performance_score
        )
      else
        v.undeploy
      end
    end

    # Deploy target version
    target_index = versions.index { |v| v.version == version }
    versions[target_index] = target_version.deploy

    save_signature_versions(signature_name, versions)

    deployed_version = versions[target_index]
    emit_deploy_complete_event(deployed_version)
    deployed_version

  rescue => error
    emit_deploy_error_event(signature_name, version, error)
    nil
  end
end

#export_registry(export_path) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 476

def export_registry(export_path)
  registry_data = {
    exported_at: Time.now.iso8601,
    config: @config.to_h,
    signatures: {}
  }

  list_signatures.each do |signature_name|
    registry_data[:signatures][signature_name] = load_signature_versions(signature_name).map(&:to_h)
  end

  File.write(export_path, YAML.dump(registry_data))
  emit_export_event(export_path, list_signatures.size)
end

#get_deployed_version(signature_name) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 374

def get_deployed_version(signature_name)
  versions = load_signature_versions(signature_name)
  versions.find(&:is_deployed)
end

#get_performance_history(signature_name) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 410

def get_performance_history(signature_name)
  versions = load_signature_versions(signature_name)
  versions_with_scores = versions.select { |v| v.performance_score }

  return { versions: [], trends: {} } if versions_with_scores.empty?

  sorted_versions = versions_with_scores.sort_by(&:created_at)

  {
    versions: sorted_versions.map do |v|
      {
        version: v.version,
        score: v.performance_score,
        created_at: v.created_at.iso8601,
        is_deployed: v.is_deployed
      }
    end,
    trends: {
      latest_score: sorted_versions.last.performance_score,
      best_score: versions_with_scores.map(&:performance_score).compact.max,
      worst_score: versions_with_scores.map(&:performance_score).compact.min,
      improvement_trend: calculate_improvement_trend(sorted_versions)
    }
  }
end

#import_registry(import_path) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 493

def import_registry(import_path)
  data = YAML.load_file(import_path, symbolize_names: true)
  imported_count = 0

  data[:signatures].each do |signature_name, versions_data|
    versions = versions_data.map { |v| SignatureVersion.from_h(v) }
    save_signature_versions(signature_name.to_s, versions)
    imported_count += 1
  end

  emit_import_event(import_path, imported_count)
end

#list_signatures ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 387

def list_signatures
  Dir.glob(File.join(@config.registry_path, "signatures", "*.yml")).map do |file|
    File.basename(file, ".yml")
  end
end

#list_versions(signature_name) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 381

def list_versions(signature_name)
  load_signature_versions(signature_name)
end

#register_version(signature_name, configuration, metadata: {}, program_id: nil, version: nil) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 226

def register_version(signature_name, configuration, metadata: {}, program_id: nil, version: nil)
  emit_register_start_event(signature_name, version)

  begin
    version ||= generate_version_name if @config.auto_version

    signature_version = SignatureVersion.new(
      signature_name: signature_name,
      version: version,
      configuration: configuration,
      metadata: metadata,
      program_id: program_id
    )

    # Load existing versions
    versions = load_signature_versions(signature_name)
    
    # Check if version already exists
    if versions.any? { |v| v.version == version }
      raise ArgumentError, "Version #{version} already exists for signature #{signature_name}"
    end

    # Add new version
    versions << signature_version

    # Cleanup old versions if needed
    if @config.max_versions_per_signature > 0 && versions.size > @config.max_versions_per_signature
      versions = versions.sort_by(&:created_at).last(@config.max_versions_per_signature)
    end

    # Save versions
    save_signature_versions(signature_name, versions)

    emit_register_complete_event(signature_version)
    signature_version

  rescue => error
    emit_register_error_event(signature_name, version, error)
    raise
  end
end

#rollback(signature_name) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 324

def rollback(signature_name)
  emit_rollback_start_event(signature_name)

  begin
    versions = load_signature_versions(signature_name)
    
    # Find versions that have deployment history (previously deployed)
    # Look for versions with deployment metadata or that were deployed
    deployed_history = versions.select do |v|
      v.metadata[:was_deployed] || v.is_deployed
    end.sort_by(&:created_at)

    # If we don't have deployment history, check if any versions exist
    if deployed_history.empty?
      # Look for the second newest version as fallback
      all_versions = versions.sort_by(&:created_at)
      if all_versions.size >= 2
        previous_version = all_versions[-2]
        result = deploy_version(signature_name, previous_version.version)
        if result
          emit_rollback_complete_event(result)
        end
        return result
      end
    elsif deployed_history.size >= 2
      # Get the previous deployed version (excluding currently deployed)
      current_deployed = versions.find(&:is_deployed)
      previous_versions = deployed_history.reject { |v| v.version == current_deployed&.version }
      
      if previous_versions.any?
        previous_version = previous_versions.last
        result = deploy_version(signature_name, previous_version.version)
        if result
          emit_rollback_complete_event(result)
        end
        return result
      end
    end

    emit_rollback_error_event(signature_name, "No previous version to rollback to")
    nil

  rescue => error
    emit_rollback_error_event(signature_name, error.message)
    nil
  end
end

#update_performance_score(signature_name, version, score) ⇒ Object 



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# File 'lib/dspy/registry/signature_registry.rb', line 395

def update_performance_score(signature_name, version, score)
  versions = load_signature_versions(signature_name)
  target_index = versions.index { |v| v.version == version }

  return nil unless target_index

  versions[target_index] = versions[target_index].with_performance_score(score)
  save_signature_versions(signature_name, versions)

  emit_performance_update_event(versions[target_index])
  versions[target_index]
end