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Another WSGI Framework

Project description

![TravisCI Status](https://api.travis-ci.org/jd-boyd/corker.png)

# About

I wanted a framework that was based around
[routes](https://github.com/bbangert/routes) and
[webob](http://webob.org/) without opinionation about database and
templating.

Some of the specifics of this are inspired/copied from: http://www.ianbicking.org/blog/2010/03/12/a-webob-app-example/index.html

# Installation

`pip install corker`

# Usage

The basics are that you create controllers (classes that subclass
`BaseController`). In a controller, you label methods with the `@route`
decorator to expose them. You then invoke your controller's
`setup_routes` method (inheritted from `BaseController`), passing it a
routes mapper to add itself to. Then, to create the actual wsgi app,
you create an `Application` and pass it the mapper.

In a controller, `self.request` gives you the current WebOb request
object. The controller can return a string containing HTML (in which
case it will be given a status code of 200), or a WebOb response object.
Additionally, it is safe to raise any
[WebOb exception](http://webob.readthedocs.org/en/latest/modules/exceptions.html).

On an exposed method, the arguments (after self) are from routes
positional/regex arguments. GET and POST arguments are accessed via
`self.request`.

The arguments for the `@route` decorator largely match the arguments for
route's `mapper.connect` method. The decorated method is automatically
used as the action argument to `mapper.connect` and all other arguments
to `@route` are passed through to `mapper.connect` as is.

Arguments passed to `Application` after the mapper are inserted into
controllers with the same name. So, is the `Application` was
instantiated with `Application(mapper, x=5)`, then in an exposed method
on the controller, `self.x == 5` would be `True`.

## Example

```python
from routes import Mapper

from corker.controller import BaseController, route
from corker.app import Application
from webob import Response

class Index(BaseController):
@route('')
def index(self, request):
return 'Hi index!\n'

@route('view/{item}')
def view(self, request, item):
return 'Hi view %d!\n' % int(item)

class Sub(BaseController):
def __init__(self, request, arg1):
self.request = request
self.arg1 = arg1

@route('')
def index(self, request):
return Response('Hi sub!\n' + self.arg1)

mapper = Mapper()
Index.setup_routes(mapper)
with mapper.submapper(path_prefix='/sub') as sub:
Sub.setup_routes(sub, config={"arg1": "arg string"})

example_app = Application(mapper)

# At that point `example_app` is a wsgi app ready to be mounted by the
# server of your choice. For example with `wsgiref`:

from wsgiref.util import setup_testing_defaults
from wsgiref.simple_server import make_server

httpd = make_server('', 8000, example_app)
print "Serving on port 8000..."
httpd.serve_forever()
```

# Bugs/Feature Requests

See [github issues](https://github.com/jd-boyd/corker/issues).

# Copyright
This is distributed as BSD. Copyright Joshua D. Boyd

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