module Pipely

The top-level module for this gem. It provides the recommended public interface for using Pipely to visualize and manipulate your Data Pipeline definitions.

Constants

VERSION

Public Class Methods

draw(definition_json, filename, component_attributes=nil) click to toggle source

# File lib/pipely.rb, line 16
def self.draw(definition_json, filename, component_attributes=nil)
  definition = Definition.parse(definition_json)

  if component_attributes
    definition.apply_component_attributes(component_attributes)
  end

  graph_builder = GraphBuilder.new

  graph = graph_builder.build(definition.components_for_graph)

  if filename.start_with?('s3://')
    content = graph.output( :png => String )
    S3Writer.new(filename).write(content)
  else
    graph.output( :png => filename )
    filename
  end
end