openide/python/python-parser/resources/META-INF/PythonParser.xml

<idea-plugin>
  <extensions defaultExtensionNs="com.intellij">
    <fileType name="Python"
              language="Python"
              extensions="py;pyw"
              hashBangs="python"
              implementationClass="com.jetbrains.python.PythonFileType"
              fieldName="INSTANCE"/>
    <fileType name="PythonStub"
              language="PythonStub"
              extensions="pyi"
              implementationClass="com.jetbrains.python.pyi.PyiFileType"
              fieldName="INSTANCE"/>
  </extensions>
  <extensionPoints>
    <extensionPoint qualifiedName="Pythonid.dialectsTokenSetContributor"
                    interface="com.jetbrains.python.PythonDialectsTokenSetContributor"
                    dynamic="true"/>
  </extensionPoints>
  <extensions defaultExtensionNs="Pythonid">
    <dialectsTokenSetContributor implementation="com.jetbrains.python.PythonTokenSetContributor"/>
  </extensions>
</idea-plugin>