def set_hook_data(self, key, data):
        """Set hook data for the given key.

        Args:
            key(str): The key to store the hook data in.
            data(:class:`collections.Mapping`): A dictionary of data to store,
                as returned from a hook.
        """

        if not isinstance(data, collections.Mapping):
            raise ValueError("Hook (key: %s) data must be an instance of "
                             "collections.Mapping (a dictionary for "
                             "example)." % key)

        if key in self.hook_data:
            raise KeyError("Hook data for key %s already exists, each hook "
                           "must have a unique data_key.", key)

        self.hook_data[key] = data
def set_hook_data ( self , key , data ) : if not isinstance ( data , collections . Mapping ) : raise ValueError ( "Hook (key: %s) data must be an instance of " "collections.Mapping (a dictionary for " "example)." % key ) if key in self . hook_data : raise KeyError ( "Hook data for key %s already exists, each hook " "must have a unique data_key." , key ) self . hook_data [ key ] = data
Set hook data for the given key.

        Args:
            key(str): The key to store the hook data in.
            data(:class:`collections.Mapping`): A dictionary of data to store,
                as returned from a hook.