def add_tm_middleware(self, app):
"""Set up the transaction managment middleware.
To abort a transaction inside a TG2 app::
import transaction
transaction.doom()
By default http error responses also roll back transactions, but this
behavior can be overridden by overriding base_config.commit_veto.
"""
from repoze.tm import make_tm
return make_tm(app, self.commit_veto)
def add_tm_middleware(self, app):
"""Set up the transaction managment middleware.
To abort a transaction inside a TG2 app::
import transaction
transaction.doom()
By default http error responses also roll back transactions, but this
behavior can be overridden by overriding base_config.commit_veto.
"""
from repoze.tm import make_tm
return make_tm(app, self.commit_veto)
def make_karl_pipeline(app):
config = app.config
uri = app.uri
pipeline = app
urchin_account = config.get('urchin.account')
if urchin_account:
pipeline = UrchinMiddleware(pipeline, urchin_account)
pipeline = make_who_middleware(pipeline, config)
pipeline = make_tm(pipeline)
pipeline = zodb_connector(pipeline, config, zodb_uri=uri)
pipeline = Retry(pipeline, 3, retryable)
pipeline = error_log_middleware(pipeline)
if not asbool(config.get('debug', 'False')):
pipeline = ErrorPageFilter(pipeline, None, 'static', '')
return pipeline
def make_app(global_conf, full_stack=True, static_files=True, **app_conf):
"""Create a Pylons WSGI application and return it
``global_conf``
The inherited configuration for this application. Normally from
the [DEFAULT] section of the Paste ini file.
``full_stack``
Whether 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.
``static_files``
Whether this application serves its own static files; disable
when another web server is responsible for serving them.
``app_conf``
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
config = load_environment(global_conf, app_conf)
# The Pylons WSGI app
app = PylonsApp(config=config)
# Routing/Session/Cache Middleware
app = RoutesMiddleware(app, config['routes.map'], singleton=False)
app = SessionMiddleware(app, config)
# CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
# Set up repoze.what-quickstart authentication:
# http://wiki.pylonshq.com/display/pylonscookbook/Authorization+with+repoze.what
app = add_auth(app, config)
# Set up the TW middleware, as per errors and instructions at:
# http://groups.google.com/group/toscawidgets-discuss/browse_thread/thread/c06950b8d1f62db9
# http://toscawidgets.org/documentation/ToscaWidgets/install/pylons_app.html
app = tw.api.make_middleware(app, {
'toscawidgets.framework': 'pylons',
'toscawidgets.framework.default_view': 'genshi',
})
# Add transaction management
app = make_tm(app, transaction_commit_veto)
app = DBSessionRemoverMiddleware(app, DBSession)
# If enabled, set up the proxy prefix for routing behind
# fastcgi and mod_proxy based deployments.
if (config.get('proxy_prefix', None)):
app = setup_prefix_middleware(app, global_conf, config['proxy_prefix'])
# END CUSTOM MIDDLEWARE
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)
if asbool(config['debug']):
app = StatusCodeRedirect(app)
else:
app = StatusCodeRedirect(app, [400, 401, 403, 404, 500])
# Establish the Registry for this application
app = RegistryManager(app)
if asbool(static_files):
# Serve static files
static_app = StaticURLParser(config['pylons.paths']['static_files'])
app = Cascade([static_app, app])
app.config = config
return app
def test_make_tm_noveto(self):
from repoze.tm import make_tm
tm = make_tm(DummyApplication(), {}, None)
self.assertEqual(tm.commit_veto, None)
def test_make_tm_withveto(self):
from repoze.tm import make_tm
tm = make_tm(DummyApplication(), {}, 'repoze.tm.tests:fakeveto')
self.assertEqual(tm.commit_veto, fakeveto)
def test_make_tm_noveto(self):
from repoze.tm import make_tm
tm = make_tm(DummyApplication(), {}, None)
self.assertEqual(tm.commit_veto, None)
def test_make_tm_withveto(self):
from repoze.tm import make_tm
tm = make_tm(DummyApplication(), {}, 'repoze.tm.tests:fakeveto')
self.assertEqual(tm.commit_veto, fakeveto)
