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from pyramid.decorator import reify
from pyramid.request import Request
from import WIX
from sawhoosh.model import DBSession
class RequestWithDBAttribute(Request):
def db(self):
return DBSession()
def ix(self):
return WIX
class HttpMethodOverrideMiddleware(object):
'''WSGI middleware for overriding HTTP Request Method for RESTful support
def __init__(self, application):
self.application = application
def __call__(self, environ, start_response):
if 'POST' == environ['REQUEST_METHOD']:
override_method = ''
# First check the "_method" form parameter
if 'form-urlencoded' in environ['CONTENT_TYPE']:
from webob import Request
request = Request(environ)
override_method = request.str_POST.get('_method', '').upper()
# If not found, then look for "X-HTTP-Method-Override" header
if not override_method:
override_method = environ.get('HTTP_X_HTTP_METHOD_OVERRIDE', '').upper()
if override_method in ('PUT', 'DELETE', 'OPTIONS', 'PATCH'):
# Save the original HTTP method
environ['http_method_override.original_method'] = environ['REQUEST_METHOD']
# Override HTTP method
environ['REQUEST_METHOD'] = override_method
return self.application(environ, start_response)