Code for deploying Bottle apps to Apache mod_wsgi

example.com.conf

#/etc/httpd/sites-enabled/example.com.conf

<VirtualHost *:80>
  ServerName example.com
  ServerAlias www.example.com
  ServerAdmin hostmaster@example.com
  DocumentRoot /var/www/example.com/www

  Alias /static /var/www/example.com/www

  <Directory /var/www/example.com/www>
      Order Allow,Deny
      Allow from all
      AllowOverride All
  </Directory>

  #tool a
  WSGIDaemonProcess tool_a user=www-data group=www-data processes=2 threads=5 maximum-requests=1000 python-eggs=/tmp/python-eggs
  WSGIScriptAlias /a /var/www/example.com/wsgi/a/application.wsgi
  <Directory /var/www/example.com/wsgi/a>
    WSGIProcessGroup tool_a
  </Directory>

  #tool b
  WSGIDaemonProcess tool_b user=www-data group=www-data processes=2 threads=5 maximum-requests=1000 python-eggs=/tmp/python-eggs
  WSGIScriptAlias /b /var/www/example.com/wsgi/b/application.wsgi
  <Directory /var/www/example.com/wsgi/b>
    WSGIProcessGroup tool_b
  </Directory>
</VirtualHost>

index.py

#wsgi/a/index.py
import template

routes = []

def index():
  return template.render("a/index")

routes.append(("/", "GET", index))

master_application.wsgi

#wsgi/master_application.wsgi

import importlib
import bottle
import os, sys

os.chdir(os.path.dirname(__file__))
sys.path = ["../../lib", "."] + sys.path

from sessionifier import sessionifier
from pathstripifier import pathstripifier

app = bottle.Bottle()

for filename in os.listdir("."):
  if filename[0] != "_" and filename[-3:] == ".py":
    module = importlib.import_module(filename[:-3])
    for path, method, func in module.routes:
      app.route(path=path, method=method, callback=func)

application = pathstripifier(sessionifier(app))

pathstripifier.py

#lib/pathstripifier.py

class StripPathMiddleware(object):
  def __init__(self, app):
    self.app = app
  def __call__(self, e, h):
    e['PATH_INFO'] = e['PATH_INFO'].rstrip('/')
    return self.app(e,h)

def pathstripifier(app):
  return StripPathMiddleware(app)

sessionifier.py

#lib/pathstripifier.py
from beaker.middleware import SessionMiddleware

session_opts = {
  'session.type': 'file',
  'session.cookie_expires': 600,
  'session.data_dir': '/var/tmp',
  'session.auto': True
}

def sessionifier(app):
  return SessionMiddleware(app, session_opts)

template.py

#lib/template.py
from mako.template import Template
from mako.lookup import TemplateLookup

mylookup = TemplateLookup(directories="../../templates", module_directory="/var/tmp/mako_modules")

def render(name, **view):
  return mylookup.get_template(name+".mako").render(**view)