File: //opt/alt/python37/share/doc/alt-python37-jinja2/examples/basic/test.py
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": """\
<!doctype html>
<title>{{ title }}</title>
{% block body %}{% endblock %}
""",
"helpers.html": """\
{% macro conspirate() %}23{% endmacro %}
""",
}
)
)
tmpl = env.get_template("child.html")
print(tmpl.render())