It contains:

• url_for - flask-like url reverser
• jsonify - flask-like json-dumper with support of datetime, and ObjectId
• redirect - django-like redirect
• get_argument - tornado-like util to get GET / POST arguments
• static_url - tornado-like url-wrapper to add version hast to static asset
• flash - simple flash messages, usage described bellow
• get_client_ip - client IP address
• fix_host - middleware for redirect requests by IP to right domain
• template_handler - handler that just render template
• url_for_processor - context processor for using url_for without passing request
• session_processor - context_processor for aiohttp_session

Look at the example folder for working example.

pip install aiohttp_tools

Repository: https://github.com/imbolc/aiohttp_tools

from aiohttp_tools.flash import flash

# you should include session middleware before flash middleware
aiohttp_session.setup(app, ...)
app.middlewares.append(aiohttp_tools.flash.middleware)
context_processors.append(aiohttp_tools.flash.context_processor)

async def handler(request):
    flash.message(request, 'Message', 'level')
    # shortcuts
    flash.info(request, 'Some message')
    flash.success(...)
    flash.warning(...)
    flash.error(...)

{% for message, level in get_flashed_messages() %}
    <div class="flash {{ level }}">
        {{ message }}
    </div>
{% endfor %}