def simple_app(environ, start_response):
    """Simplest possible application object"""
    status = '200 OK'
    response_headers = [('Content-type','text/plain')]
    start_response(status, response_headers)
    return ['Hello world!\n']

sudo easy_install virtualenv
mkdir bigpicture
cd bigpicture
virtualenv .
source bin/activate

easy_install pip

pip install ....
pip install -r requirements.txt

from wsgiref.simple_server import make_server
from bigpicture.app import simple_app

make_server('', 8080, simple_app).serve_forever()

from webob import Response, Request
req = Request(environ)
resp = Response()

from webtest import TestApp
from bigpicture.app import simple_app
def test_get_values_show_up():
    app = TestApp(simple_app)
    resp = app.get('/?test=123')
    assert 'test' in resp.body

from static import Cling
simple_app = Cling('bigpicture/static')

from paste.cascade import Cascade
Cascade([static_app, dynamic_app])

from paste.pony import PonyMiddleware

from routes import Mapper
from routes.middleware import RoutesMiddleware
...
map = Mapper()
map.connect(':id')

from weberror.evalexception import EvalException