def registerBehavior(name, spec, factory, relation=None, schema=None,
type = None, title='', description = '',
configContext=None, info=''):
def _register(name,spec,factory,relation,schema,type,title,description):
# check relation
if relation:
getRelation(relation)
bh = Behavior(name, title, spec, relation, factory, schema, description)
for tp in type:
getSiteManager().registerUtility(bh, tp, name)
# register in internal registry
registry.registerBehavior(bh)
if type is None:
type = (IBehavior,)
elif isinstance(type, InterfaceClass):
type = (type,)
config.addAction(
configContext,
('memphis.storage:registerBehavior', name),
callable= _register,
args=(name, spec, factory, relation, schema, type, title, description),
info=info)
def registerSchema(name, schema, klass=None, type=None,
title='', description='', configContext=None, info=''):
def _register(name, schema, klass, type, title, description):
sob = Schema(name, schema, klass, title, description)
for tp in type:
getSiteManager().registerUtility(sob, tp, name)
# register in internal registry
registry.registerSchema(sob)
session = hooks.getSession()
if session is not None:
hooks.getMetadata().create_all()
session.flush()
if type is None:
type = (ISchema,)
elif isinstance(type, InterfaceClass):
type = (type,)
config.addAction(
configContext,
discriminator = ('memphis.storage:schema', name),
callable=_register, args=(name,schema,klass,type,title, description),
info = info)
def registerPreference(name, schema, klass=None,
title='', description='', configContext=None):
if '.' in name:
category, name = name.split('.', 1)
else:
category = ''
PreferenceClass = preferencetype.PreferenceType(
str(name), category, schema, klass, title, description)
# register storage schema
if getFields(schema):
storage.registerSchema(
'memphis.preferences-%s.%s'%(category, name), schema)
# instance
inst = PreferenceClass()
# register preference in preferences
def _register(preference):
root.Preferences.addPreference(preference)
config.addAction(
configContext,
discriminator = ('memphis.preferences:preference', category, name),
callable = _register, args = (inst,))
return inst
def registerCategory(name, title, description='', configContext=None):
def _register(category):
root.Preferences.addCategory(category)
category = preference.PreferenceCategory(name, title, description)
config.addAction(
configContext,
discriminator= ('memphis.preferences:category', name),
callable = _register, args = (category,))
return category
def execute(self, factory, configContext=None, **kw):
value = behavior.bind(default=_marker).get(factory)
if value is _marker:
return False
name, iface, schema, type, t, d, info = value
config.addAction(
configContext,
discriminator=("memphis.content:behavior", name),
callable=registry.registerBehavior,
args=(name, iface, factory(), schema, type, t, d),
order=(config.moduleNum(factory.__module__), 91),
info=info,
)
return True
def grok(self, name, interface, configContext=config.UNSET, **kw):
if interface in schemaExecuted and not getattr(interface.__module__, "__fake_module__", False):
return False
schemaExecuted.append(interface)
value = schema.bind(default=_marker).get(interface)
if value is _marker:
return False
name, klass, type, t, d, info = value
config.addAction(
configContext,
discriminator=("memphis.content:schema", name),
callable=registry.registerSchema,
args=(name, interface, klass, type, t, d),
order=(config.moduleNum(interface.__module__), 90),
info=info,
)
return True
def initialize(engine, session, models=True):
setSession(session)
MetaData = getMetadata()
MetaData.bind = engine
if models:
from memphis.storage.models import initializeModels
initializeModels(MetaData)
MetaData.create_all(engine)
def _create():
import zope.event
from interfaces import StorageInitializedEvent
zope.event.notify(StorageInitializedEvent(MetaData))
session.flush()
config.addAction(
discriminator = ('memphis.storage:initialize',),
callable=_create)
def registerRelation(name, schema, klass=None,
title='', description='', configContext=None, info=''):
# fixme: remove this line
from memphis.storage.relation import Relation, buildRelation
def _register(name, schema, klass, title, description):
if klass is not None:
rel = Relation(name, klass, title, description)
else:
rel = buildRelation(name, schema, title, description)
registry.registerRelation(rel, schema)
# create table
session = hooks.getSession()
if session is not None:
hooks.getMetadata().create_all()
session.flush()
config.addAction(
configContext,
discriminator = ('memphis.storage:relation', name),
callable=_register, args=(name, schema, klass, title, description),
info = info)
def execute(self, klass, configContext=None, **kw):
value = behavior.bind(default=_marker).get(klass)
if value is _marker:
return False
name, iface, schema, type, t, d, info = value
if iface is None:
provides = list(interface.implementedBy(klass))
if len(provides) == 1:
iface = provides[0]
else:
raise TypeError("Missing 'spec' attribute")
config.addAction(
configContext,
discriminator=("memphis.content:behavior", name),
callable=registry.registerBehavior,
args=(name, iface, klass, schema, type, t, d),
order=(config.moduleNum(klass.__module__), 91),
info=info,
)
return True
