from jinja2 import Environment from jinja2.loaders import DictLoader env = Environment( loader=DictLoader( { "child.html": """\ {% extends default_layout or 'default.html' %} {% include helpers = 'helpers.html' %} {% macro get_the_answer() %}42{% endmacro %} {% title = 'Hello World' %} {% block body %} {{ get_the_answer() }} {{ helpers.conspirate() }} {% endblock %} """, "default.html": """\ {% block body %}{% endblock %} """, "helpers.html": """\ {% macro conspirate() %}23{% endmacro %} """, } ) ) tmpl = env.get_template("child.html") print(tmpl.render())