[py] Remove unused virtual environment handling from crazy-fun

rake-tasks/crazy_fun/mappings/python.rb

@@ -9,8 +9,6 @@ def add_all(fun)
     fun.add_mapping("py_test", Python::AddDependencies.new)
     fun.add_mapping("py_test", Python::RunTests.new)
 
-    fun.add_mapping("py_env", Python::VirtualEnv.new)
-
     fun.add_mapping("py_docs", Python::GenerateDocs.new)
 
     fun.add_mapping("py_install", Python::Install.new)
@@ -82,32 +80,6 @@ def handle(fun, dir, args)
     end
   end
 
-  class VirtualEnv
-    def handle(fun, dir, args)
-      task Tasks.new.task_name(dir, args[:name]) do
-        dest = Platform.path_for(args[:dest])
-        pip_pkg = "pip install #{args[:packages].join(' ')}"
-        virtualenv = ["virtualenv", "--no-site-packages", " #{dest}"]
-        virtualenv += ["-p", ENV['pyversion']] if ENV['pyversion']
-        sh virtualenv.join(' '), :verbose => true do |ok, res|
-          unless ok
-            puts ""
-            puts "PYTHON DEPENDENCY ERROR: Virtualenv not found."
-            puts "Please run '[sudo] pip install virtualenv'"
-            puts ""
-          end
-        end
-
-        slash = Platform.dir_separator
-        python_dir = dest + slash + (windows? ? "Scripts" : "bin")
-        pip_install = python_dir + slash + pip_pkg
-        sh pip_install, :verbose => true
-
-        sh "#{python_dir}#{slash}python setup.py install", :verbose => true
-      end
-    end
-  end
-
   class GenerateDocs < Tasks
     def handle(fun, dir, args)
       task Tasks.new.task_name(dir, args[:name]) do