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"""Pylons middleware initialization"""
from beaker.middleware import CacheMiddleware, SessionMiddleware
from paste.cascade import Cascade
from paste.registry import RegistryManager
from paste.urlparser import StaticURLParser
from paste.auth.basic import AuthBasicHandler
from paste.deploy.converters import asbool
from pylons import config
from pylons.middleware import ErrorHandler, StatusCodeRedirect
from pylons.wsgiapp import PylonsApp
from routes.middleware import RoutesMiddleware
import authkit.authorize
from bluechips.config.environment import load_environment
from bluechips.lib.permissions import (BlueChipUser, DummyAuthenticate,
def make_app(global_conf, full_stack=True, **app_conf):
"""Create a Pylons WSGI application and return it
The inherited configuration for this application. Normally from
the [DEFAULT] section of the Paste ini file.
Whether or not this application provides a full WSGI stack (by
default, meaning it handles its own exceptions and errors).
Disable full_stack when this application is "managed" by
another WSGI middleware.
The application's local configuration. Normally specified in the
[app:<name>] section of the Paste ini file (where <name>
defaults to main).
# Configure the Pylons environment
load_environment(global_conf, app_conf)
# The Pylons WSGI app
app = PylonsApp()
# CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
if not asbool(app_conf.get('noauth')):
app = authkit.authorize.middleware(app, BlueChipUser())
# Routing/Session/Cache Middleware
app = RoutesMiddleware(app, config[''])
app = SessionMiddleware(app, config)
app = CacheMiddleware(app, config)
if asbool(full_stack):
# Handle Python exceptions
app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
# Display error documents for 401, 403, 404 status codes (and
# 500 when debug is disabled)
status_codes = [400, 401, 403, 404]
if not asbool(config.get('debug')):
app = StatusCodeRedirect(app, status_codes)
# Establish the Registry for this application
app = RegistryManager(app)
# Static files (If running in production, and Apache or another web
# server is handling this static content, remove the following 3 lines)
static_app = StaticURLParser(config['pylons.paths']['static_files'])
app = Cascade([static_app, app])
if not asbool(app_conf.get('noauth')):
app = AuthBasicHandler(app, 'BlueChips', authenticate)
app = DummyAuthenticate(app, app_conf)
return app