muffin 0.1.3

web framework based on Asyncio stack

.. image:: https://raw.github.com/klen/muffin/develop/logo.png
:height: 100px
:width: 100px


The Muffin
##########

.. _badges:

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:alt: Donate

.. _description:

The Muffin -- A web framework based on Asyncio_ stack ``(early beta)``

Muffin is a fast, simple and asyncronous web-framework for Python_ 3.

Example "Hello User" with the Muffin:

.. code-block:: python

import muffin


app = muffin.Application('example')


@app.register('/', '/hello/{name}')
def hello(request):
name = request.match_info.get('name', 'anonymous')
return 'Hello %s!' % name

Save the script as `example.py` and run it: ::

$ muffin example run

Open http://fuf.me:5000, http://fuf.me:5000/hello/username in your browser. Enjoy!

.. _contents:

.. contents::

.. _plugins:

Plugins
=======

The list of Muffin plugins:

* `Muffin-Admin <https://github.com/klen/muffin-admin>`_ -- Basic Admin interface
* `Muffin-Babel <https://github.com/klen/muffin-babel>`_ -- Localization support
* `Muffin-DebugToolbar <https://github.com/klen/muffin-debugtoolbar>`_ -- Debug Toolbar
* `Muffin-Jade <https://github.com/klen/muffin-jade>`_ -- Jade templates
* `Muffin-Jinja2 <https://github.com/klen/muffin-jinja2>`_ -- Jinja2 templates
* `Muffin-Metrics <https://github.com/klen/muffin-metrics>`_ -- Send metrics to Graphite/Statsd
* `Muffin-Mongo <https://github.com/klen/muffin-mongo>`_ -- MongoDB (pymongo) support
* `Muffin-OAuth <https://github.com/klen/muffin-oauth>`_ -- OAuth client
* `Muffin-Peewee <https://github.com/klen/muffin-peewee>`_ -- Peewee support (SQL, ORM)
* `Muffin-REST <https://github.com/klen/muffin-rest>`_ -- Helpers for building REST API
* `Muffin-Redis <https://github.com/klen/muffin-redis>`_ -- Redis support
* `Muffin-Sentry <https://github.com/klen/muffin-sentry>`_ -- Sentry integration
* `Muffin-Session <https://github.com/klen/muffin-session>`_ -- User session (auth)

.. _requirements:

Requirements
=============

- python >= 3.3

.. _installation:

Benchmarks
==========

You could find some tests here: http://klen.github.io/py-frameworks-bench/

Installation
=============

**The Muffin** should be installed using pip: ::

pip install muffin

.. _usage:

Usage
=====

See more in the example application sources. The application is deployed on Heroku:
https://muffin-py.herokuapp.com

Run example server locally: ::

$ make -C example run

And open http://fuf.me:5000 in your browser.

Configuration
-------------

Muffin gets configuration options from python files. By default the package
tries to load a configuration from `config` module (config.py).

There are few ways to redifine configuration module:

* Set configuration module in your app initialization:

.. code-block:: python

app = muffin.Application('myapp', CONFIG='config.debug')

* Set environment variable `MUFFIN_CONFIG`: ::

$ MUFFIN_CONFIG=settings_local muffin example run

Also you can define any options while initializing your application:

.. code-block:: python

app = muffin.Application('myapp', DEBUG=True, ANY_OPTION='Here', ONE_MORE='Yes')


Base application options
^^^^^^^^^^^^^^^^^^^^^^^^

Base Muffin options and default values:

.. code-block:: python

# Configuration module
'CONFIG': 'config'

# Enable debug mode
'DEBUG': False

# Logging options
'LOG_LEVEL': 'WARNING'
'LOG_FORMAT': '%(asctime)s [%(process)d] [%(levelname)s] %(message)s'
'LOG_DATE_FORMAT': '[%Y-%m-%d %H:%M:%S %z]'

# List of enabled plugins
'PLUGINS': []

# Setup static files in development
'STATIC_PREFIX': '/static'
'STATIC_FOLDERS': ['static']


Configuring logging
^^^^^^^^^^^^^^^^^^^
You can define your logging configurations with `Python dictConfig format <https://docs.python.org/3.4/library/logging.config.html#configuration-dictionary-schema>`_ and place in `LOGGING` conf: ::

LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'default': {
'format': '%(asctime)s %(levelname)s %(name)s %(message)s'
},
},
'handlers': {
'logfile': {
'level': 'DEBUG',
'class': 'logging.handlers.RotatingFileHandler',
'filename': 'my_log.log',
'maxBytes': 50 * 1024 * 1024,
'backupCount': 10
},
},
'loggers': {
'': {
'handlers': ['logfile'],
'level': 'ERROR'
},
'project': {
'level': 'INFO',
'propagate': True,
},
}
}

To use just get logger with `logging.getLogger()`: ::

import logging
logger = logging.getLogger('project')

CLI integration
---------------

Run in your shell: ::

$ muffin path.to.your.module:app_object_name --help

Write a custom command
^^^^^^^^^^^^^^^^^^^^^^

.. code-block:: python

@app.manage.command
def hello(name, upper=False):
""" Write command help text here.

:param name: Write your name
:param upper: Use uppercase

"""
greetings = 'Hello %s!' % name
if upper:
greetings = greetings.upper()
print(greetings)

::

$ muffin example hello --help

Write command help text here.

positional arguments:
name Write your name

optional arguments:
-h, --help show this help message and exit
--upper Enable use uppercase
--no-upper Disable use uppercase

$ muffin example hello mike --upper

HELLO MIKE!

.. _testing:

Testing
========

Setup tests
-----------

Set module path to your Muffin Application in pytest configuration file or use
command line option ``--muffin-app``.

Example: ::

$ py.test -xs --muffin-app example

Testing application
-------------------

See examples:

.. code-block:: python

import pytest

@pytest.mark.async
def test_async_code():
from aiohttp import request
response = yield from request('GET', 'http://google.com')
text = yield from response.text()
assert 'html' in text

def test_app(app):
""" Get your app in your tests as fixture. """
assert app.name == 'my app name'
assert app.cfg.MYOPTION == 'develop'

def test_view(client):
""" Make HTTP request to your application. """
response = client.get('/my-handler')
assert 'mydata' in response.text


.. _deployment:

Deployment
==========

Use ``muffin`` command. By example: ::

$ muffin example run --workers=4

See ``muffin {APP} run --help`` for more info.

.. _bugtracker:

Bug tracker
===========

If you have any suggestions, bug reports or
annoyances please report them to the issue tracker
at https://github.com/klen/muffin/issues

.. _contributing:

Contributing
============

Development of The Muffin happens at: https://github.com/klen/muffin


Contributors
=============

* `Kirill Klenov <https://github.com/klen`_

* `Diego Garcia <https://github.com/drgarcia1986>`_

.. _license:

License
=======

Licensed under a MIT license (See LICENSE)

.. _links:

.. _klen: https://github.com/klen
.. _Asyncio: https://docs.python.org/3/library/asyncio.html
.. _Python: http://python.org