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from litestar import Litestar, Request, get
from litestar.contrib.jinja import JinjaTemplateEngine
from litestar.middleware.session.server_side import ServerSideSessionConfig
from litestar.plugins.flash import FlashConfig, FlashPlugin, flash
from litestar.response import Template
from litestar.template.config import TemplateConfig
template_config = TemplateConfig(engine=JinjaTemplateEngine, directory="templates")
flash_plugin = FlashPlugin(config=FlashConfig(template_config=template_config))
@get()
async def index(request: Request) -> Template:
"""Example of adding and displaying a flash message."""
flash(request, "Oh no! I've been flashed!", category="error")
return Template(
template_str="""
<h1>Flash Message Example</h1>
{% for message in get_flashes() %}
<p>{{ message.message }} (Category:{{ message.category }})</p>
{% endfor %}
"""
)
app = Litestar(
plugins=[flash_plugin],
route_handlers=[index],
template_config=template_config,
middleware=[ServerSideSessionConfig().middleware],
)
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