jinja_engine.py 文件源码

def __init__(self, *args, **kwargs):
        """ Creates a new Jinja2 templating engine.
        """

        # Call the parent
        super().__init__(*args, **kwargs)

        # Create a Jinja2 environment. We could use jinja2.Template().render()
        # directly, but having an environment gives us more control over, e.g.,
        # custom filters.
        self.env = jinja2.Environment()

        # Registering custom filters is described here:
        #   http://jinja.pocoo.org/docs/dev/api/#custom-filters
        self.register_custom_filters(self.env)

        # Built-in Jinja2 filters are listed here:
        #   http://jinja.pocoo.org/docs/dev/templates/#builtin-filters

    ###########################################################################