def test_init_db_bad_conf():
configuration = """
<zodb>
<UNKNOWN_storage>
</UNKNOWN_storage>
</zodb>"""
with pytest.raises(ZConfig.ConfigurationSyntaxError):
init_db(configuration, add_foo)
def zodb_filter_middleware(
app,
global_conf, # A dict containing the ['DEFAULT'] section of the ini.
configuration,
initializer=None,
key="zodb.connection",
transaction_key='transaction.manager'):
"""
factory for :py:class:ZODBAppFactory
This middleware factory is compatible with the filter_app
prototype from `PasteDeploy`. It can, however, be used with
any WSGI server if properly called.
:param initializer: an optional ZODB initializer
module.dotted.name:callable,
eg: 'cromlech.zodb.utils:initialize_applications'
:param transaction: does the middelware needs to manage the transaction
for other params see :py:meth:ZODBApp.__init__
"""
if initializer is not None:
# initializer is a string: py_module_path:class_or_function
initializer = eval_loader(initializer)
# configuration is an XML-based ZODB conf
db = init_db(configuration, initializer)
return ZODBApp(
app, db, key, transaction_key,
transaction_manager_factory=environ_transaction_manager)
def create(cls, gc, session_key='session.key', environ_key='zodb.key',
conf=None, name='app', root=None, **kws):
if root is None:
root = cls.root
db = init_db(conf, make_application(name, root))
app = cls(session_key, environ_key, name)
return ZODBApp(app, db, key=environ_key)
def zodb_filter_middleware(
app,
global_conf, # A dict containing the ['DEFAULT'] section of the ini.
configuration,
initializer=None,
key="zodb.connection",
transaction_key='transaction.manager'):
"""
factory for :py:class:ZODBApp
This middleware factory is compatible with the filter_app
prototype from `PasteDeploy`. It can, however, be used with
any WSGI server if properly called.
:param configuration: XML-based ZODB conf
:param initializer: callable that takes 'db' as a parameter.
:param key: environ key used to retrieve an existing connection
:param transaction_key: environ key used to pass the transaction around.
for other params see :py:meth:ZODBApp.__init__
"""
db = init_db(configuration, initializer)
return ZODBApp(
app, db, key, transaction_key,
transaction_manager_factory=environ_transaction_manager)
def zodb_aware_poller(url, timeout=None, db_conf=None, zodb_conf=None, **data):
queues = dict(getUtilitiesFor(IReceptionQueue))
receiver = get_reader(url)
tm = transaction.TransactionManager()
db = init_db(open(db_conf, 'r').read())
with ZODBConnection(db, transaction_manager=tm) as zodb:
with tm:
data['db_root'] = zodb
receiver.poll(queues, timeout=timeout, **data)
def test_init_db():
configuration = """
<zodb>
<demostorage>
</demostorage>
</zodb>"""
db = init_db(configuration, add_foo)
conn = db.open()
assert conn.root()['foo'] is foo
def create(cls,
gc,
session_key='session.key',
environ_key='zodb.key',
conf=None,
name='app',
root=None,
**kws):
if root is None:
root = cls.root
db = init_db(conf, make_application(name, root))
app = cls(session_key, environ_key, name)
return ZODBApp(app, db, key=environ_key)
