Use yUML to generate Rails diagrams using RailRoad and Shoes
Latest commit fce808f Apr 26, 2010 @josepjaume josepjaume committed with Moved tasks to lib, Rails 3 support
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lib Moved tasks to lib, Rails 3 support Apr 26, 2010
README.markdown optional filename-argument for the yUMLmeRails:download (needs rake >… Apr 26, 2010
init.rb moved things around to create Rake tasks May 22, 2009


Fork from dmitry < nelsonsilva to adapt/improve some things (according to my working style).


This is a simple plugin that adds Rake tasks to display model diagrams for RoR apps.

It uses an extended RailRoad to output yUML diagrams which are drawn using the service at yUML

There's also a small Shoes app to display the downloaded diagram.



  • Shoes (if you want to use the show-task)
  • Rake >= 0.8.0 (or remove the 'arg' in the rake task yUMLmeRails:download)


  • Just clone this into vendor/plugins

Usage (rake -T)

  • rake yUMLmeRails:download # Download yUML model diagram to doc/diagrams
  • rake yUMLmeRails:show # Show model diagram
  • rake yUMLmeRails:url # Get yUML URL

Feel free to do whatever you want with the code but please share your results with us.