parameters: (self, book=None)
return_statement: return get_default_role(role_key, book)
docstring: Returns the default role to get extra permissions
docstring_summary: Returns the default role to get extra permissions
docstring_tokens: Returns the default role to get extra permissions
function: def _get_default_role(self, book=None):
          """
          Returns the default role to get extra permissions
          """
          role_key = get_default_role_key(self.user)
          return get_default_role(role_key, book)
function_tokens: def _get_default_role ( self , book = None ) : role_key = get_default_role_key ( self . user ) return get_default_role ( role_key , book )