Method extend

tools/inspector_protocol/jinja2/environment.py:347–354

Add the items to the instance of the environment if they do not exist yet. This is used by :ref:`extensions ` to register callbacks and configuration values without breaking inheritance.

(self, **attributes)

        self.extensions.update(load_extensions(self, [extension]))

    def extend(self, **attributes):
        """Add the items to the instance of the environment if they do not exist
        yet.  This is used by :ref:`extensions <writing-extensions>` to register
        callbacks and configuration values without breaking inheritance.
        """
        for key, value in iteritems(attributes):
            if not hasattr(self, key):
                setattr(self, key, value)

    def overlay(self, block_start_string=missing, block_end_string=missing,
                variable_start_string=missing, variable_end_string=missing,