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from pathlib import Path
from typing import Any, Dict
from litestar import Litestar, get
from litestar.contrib.mako import MakoTemplateEngine
from litestar.response import Template
from litestar.template.config import TemplateConfig
def my_template_function(ctx: Dict[str, Any]) -> str:
return ctx.get("my_context_key", "nope")
def register_template_callables(engine: MakoTemplateEngine) -> None:
engine.register_template_callable(
key="check_context_key",
template_callable=my_template_function,
)
template_config = TemplateConfig(
directory=Path(__file__).parent / "templates",
engine=MakoTemplateEngine,
engine_callback=register_template_callables,
)
@get("/", sync_to_thread=False)
def index() -> Template:
return Template(template_name="index.html.mako")
app = Litestar(
route_handlers=[index],
template_config=template_config,
)
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