plugins/org.eclipse.dltk.python.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin>

  <extension point="org.eclipse.core.runtime.preferences">
    <initializer
      class="org.eclipse.dltk.python.internal.core.PythonCorePreferenceInitializer" />
  </extension>
  
   <extension
         id="nature"
         point="org.eclipse.core.resources.natures">
      <runtime>
         <run class="org.eclipse.dltk.python.core.PythonNature"/>
      </runtime>
   </extension> 
   
   <extension
         point="org.eclipse.dltk.core.language">
      <language
            class="org.eclipse.dltk.python.core.PythonLanguageToolkit"
            nature="org.eclipse.dltk.python.core.nature"
            priority="0">
      </language>
   </extension>
   <extension
         point="org.eclipse.dltk.core.sourceParsers">
      <parserContribution
            natureId="org.eclipse.dltk.python.core.nature">
         <parser
               class="org.eclipse.dltk.python.internal.core.parser.PythonSourceParserFactory"
               description="sourceParser.description"
               id="org.eclipse.dltk.python.sourceParser"
               name="sourceParser.name"
               priority="0" />
      </parserContribution>
   </extension>
   <extension
         point="org.eclipse.dltk.core.sourceElementParsers">
      <parser
            class="org.eclipse.dltk.python.internal.core.parser.PythonSourceElementParser"
            nature="org.eclipse.dltk.python.core.nature"
            priority="0">
      </parser>
   </extension>
  <extension
        point="org.eclipse.core.contenttype.contentTypes">
     <content-type
           base-type="org.eclipse.core.runtime.text"
           describer="org.eclipse.dltk.python.core.PythonContentDescriber"
           file-extensions="py"
           id="org.eclipse.dltk.pythonContentType"
           name="%pythonContentType"
           priority="high">       
     </content-type>
  </extension>

  <extension
    point="org.eclipse.dltk.core.search">
    <searchFactory
      class="org.eclipse.dltk.python.internal.core.search.PythonSearchFactory"
      nature="org.eclipse.dltk.python.core.nature"
      priority="0">
    </searchFactory>
  </extension>

  <extension
    point="org.eclipse.dltk.core.buildParticipant">
      <buildParticipant
            class="org.eclipse.dltk.core.builder.ParserBuildParticipantFactory"
            id="org.eclipse.dltk.python.buildParticipant.parser"
            name="%parserBuildParticipant.name"
            nature="org.eclipse.dltk.python.core.nature">
      </buildParticipant>
    <buildParticipant
      class="org.eclipse.dltk.python.internal.core.parser.PythonTodoParserType"
      id="org.eclipse.dltk.python.todo"
      name="%taskTagsBuildParticipant.name"
      nature="org.eclipse.dltk.python.core.nature">
      <requires
            id="org.eclipse.dltk.python.buildParticipant.parser">
      </requires>
    </buildParticipant>
  </extension>

</plugin>