Django Admin's Auth system, represented with Rails ActiveRecord models.

django_auth_in_rails.rb

# Django Admin's auth system, represented using ActiveRecord

module Django
  #--------------------------
  # User
  class User < ActiveRecord::Base
    self.table_name = "auth_user"
    
    has_many :django_user_permissions, class_name: "Django::UserPermission"
    has_many :django_user_groups, class_name: "Django::UserGroup"
    has_many :permissions, through: :django_user_permissions
    has_many :groups, through: :django_user_groups
  end

  #--------------------------
  # Group  
  class Group < ActiveRecord::Base
    self.table_name = "auth_group"
    
    has_many :django_group_permissions, class_name: "Django::GroupPermission"
    has_many :django_user_groups, class_name: "Django::UserGroup"
    has_many :permissions, through: :django_group_permissions
    has_many :users, through: :django_user_groups
  end

  #--------------------------
  # Permission
  class Permission < ActiveRecord::Base
    self.table_name = "auth_permission"
    
    has_many :django_user_permissions, class_name: "Django::UserPermission"
    has_many :django_group_permissions, class_name: "Django::GroupPermission"
    has_many :users, through: :django_user_permissions
    has_many :groups, through: :django_group_permissions
  end

  #--------------------------
  # User <-> Group
  class UserGroup < ActiveRecord::Base
    self.table_name = "auth_user_groups"
    
    belongs_to :group, class_name: "Django::Group"
    belongs_to :user, class_name: "Django::User"
  end

  #--------------------------
  # User <-> Permission
  class UserPermission < ActiveRecord::Base
    self.table_name = "auth_user_user_permissions"
    
    belongs_to :permission, class_name: "Django::Permission"
    belongs_to :user, class_name: "Django::User"
  end

  #--------------------------
  # Group <-> Permission
  class GroupPermission < ActiveRecord::Base
    self.table_name = "auth_group_permissions"
    
    belongs_to :permission, class_name: "Django::Permission"
    belongs_to :group, class_name: "Django::Group"
  end
end

This is awesome, thanks Bryan! Just wondering if you by any chance had the migrations and db/schema.rb file for this as well?

Best,
Jeff