parameters: (self, ext_name)
docstring: Returns the fullname of a given extension name.
  
          Adds the `package.` prefix
docstring_summary: Returns the fullname of a given extension name.
docstring_tokens: Returns the fullname of a given extension name .
function: def get_ext_fullname(self, ext_name):
          """Returns the fullname of a given extension name.
  
          Adds the `package.` prefix"""
          if self.package is None:
              return ext_name
          else:
              return self.package + '.' + ext_name
function_tokens: def get_ext_fullname ( self , ext_name ) : if self . package is None : return ext_name else : return self . package + '.' + ext_name