main.py

# The MIT License
# 
# Copyright (c) 2008 William T. Katz
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to 
# deal in the Software without restriction, including without limitation 
# the rights to use, copy, modify, merge, publish, distribute, sublicense, 
# and/or sell copies of the Software, and to permit persons to whom the 
# Software is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
# DEALINGS IN THE SOFTWARE.


__author__ = 'Kyle Conroy'

import config
import os
import sys
import logging
import wsgiref.handlers

# Force sys.path to have our own directory first, so we can import from it.
sys.path.insert(0, config.APP_ROOT_DIR)
sys.path.insert(1, os.path.join(config.APP_ROOT_DIR, 'utils/external'))
os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'


from google.appengine.api import memcache
from google.appengine.ext import webapp
from google.appengine.api import users

from handlers import site, api
from models import Status, Setting


# Log a message each time this module get loaded.
logging.info('Loading %s, app version = %s',
             __name__, os.getenv('CURRENT_VERSION_ID'))
           
if (config.SITE["rich_client"]):  
    serviceHandler = site.ServiceHandler
    rootHandler = site.RootHandler
else:
    rootHandler = site.BasicRootHandler
    serviceHandler = site.BasicServiceHandler

ROUTES = [
    ('/*$', rootHandler),
    ('/debug', site.DebugHandler),
    #('/*[^/]', site.) redirect pages without slashed to pages with slashes
    
    #API
    ('/403.html', site.UnauthorizedHandler),
    ('/404.html', site.NotFoundHandler),
    (r'/api/(.+)/services', api.ServicesListHandler),
    (r'/api/(.+)/services/(.+)/events', api.EventsListHandler),
    (r'/api/(.+)/services/(.+)/events/current', api.CurrentEventHandler),
    (r'/api/(.+)/services/(.+)/events/(.+)', api.EventInstanceHandler),
    (r'/api/(.+)/services/(.+)', api.ServiceInstanceHandler),
    (r'/api/(.+)/statuses', api.StatusesListHandler),
    (r'/api/(.+)/statuses/(.+)', api.StatusInstanceHandler),
    (r'/api/(.+)/status-images', api.ImagesListHandler),
    (r'/api/(.+)/levels', api.LevelsListHandler),
    (r'/api/.*', api.NotFoundHandler),
    
    #SITE
    (r'/services/(.+)/(.+)/(.+)/(.+)', serviceHandler),
    (r'/services/(.+)/(.+)/(.+)', serviceHandler),
    (r'/services/(.+)/(.+)', serviceHandler),
    (r'/services/(.+)', serviceHandler),
    (r'/documentation/credentials', site.ProfileHandler),
    (r'/documentation/verify', site.VerifyAccessHandler),
    (r'/documentation/(.+)', site.DocumentationHandler),
    
    ('/.*$', site.NotFoundHandler),
    
    
]

def main():
    # Check if defaults have been installed
    installed_defaults = memcache.get("installed_defaults")
    if installed_defaults is None:
        installed_defaults = Setting.all().filter('name = ', 'installed_defaults').get()
        if installed_defaults is None:
            logging.info("Installing default statuses")
            Status.install_defaults()
        if not memcache.add("installed_defaults", True):
            logging.error("Memcache set failed.")

    application = webapp.WSGIApplication(ROUTES, debug=config.DEBUG)
    wsgiref.handlers.CGIHandler().run(application)

if __name__ == "__main__":
    main()