Rewritten in pure vimscript

Removes the ruby dependency on vim

plugin/python.vim

@@ -3,57 +3,32 @@ if exists("g:loaded_vimux_nose_test") || &cp
 endif
 let g:loaded_vimux_nose_test = 1
 
-if !has("ruby")
-  finish
-end
-
 command RunAllNoseTests :call s:RunAllNoseTests()
 command RunFocusedNoseTests :call s:RunFocusedNoseTests()
+command RunCurrentNoseTests :call s:RunCurrentNoseTests()
+
+function! FindVirtualEnv()
+   if $VIRTUAL_ENV != ''
+      return $VIRTUAL_ENV . "/bin/"
+   else
+      return ""
+   end
+endfunction
 
 function s:RunAllNoseTests()
-  ruby NoseTest.new.run_all
+   let virtualenv = FindVirtualEnv()
+   call VimuxRunCommand("clear && " . virtualenv . "nosetests *.py")
 endfunction
 
-function s:RunFocusedNoseTests()
-  ruby NoseTest.new.run_focused
+function s:RunCurrentNoseTests()
+   let virtualenv = FindVirtualEnv()
+   let file_name = @%
+   call VimuxRunCommand("clear && " . virtualenv . "nosetests " . file_name)
 endfunction
 
-ruby << EOF
-module VIM
-  class Buffer
-    def method_missing(method, *args, &block)
-      VIM.command "#{method} #{self.name}"
-    end
-  end
-end
-
-class NoseTest
-  def current_file
-    VIM::Buffer.current.name
-  end
-
-  def line_number
-    VIM::Buffer.current.line_number
-  end
-
-  def virtualenv
-    if Vim.evaluate('exists("g:NoseVirtualenv")') != 0
-      ". #{Vim.evaluate('g:NoseVirtualenv')} && "
-    else
-      ""
-    end
-  end
-
-  def run_all
-    send_to_vimux("#{virtualenv} nosetests '#{current_file}'")
-  end
-
-  def run_focused
-    send_to_vimux("#{virtualenv} noseline '#{current_file}' --line #{line_number}")
-  end
-
-  def send_to_vimux(test_command)
-    Vim.command("call VimuxRunCommand(\"clear && #{test_command}\")")
-  end
-end
-EOF
+function s:RunFocusedNoseTests()
+   let virtualenv = FindVirtualEnv()
+   let line_number = getline('.')
+   let file_name = @%
+   call VimuxRunCommand("clear && " . virtualenv . "nosetests " . file_name . " --line " . line_number)
+endfunction