def test_splitSchemaName(self):
self.assertEqual(('prefix', 'type', 'schema',),
utils.splitSchemaName('prefix_0_type_0_schema'))
self.assertEqual(('prefix', 'type', '',),
utils.splitSchemaName('prefix_0_type'))
self.assertEqual(('prefix', 'type one.two', '',),
utils.splitSchemaName('prefix_0_type_1_one_2_two'))
def serializeSchema(schema):
""" Finds the FTI and model associated with a schema, and synchronizes
the schema to the FTI model_source attribute.
This method only works for schemas that were created from an FTI's
model_source property
BBB - deprecated
"""
# determine portal_type
try:
prefix, portal_type, schemaName = splitSchemaName(schema.__name__)
except ValueError:
# not a dexterity schema
return
# find the FTI and model
fti = queryUtility(IDexterityFTI, name=portal_type)
if fti.model_source:
model = fti.lookupModel()
# synchronize changes to the model
syncSchema(schema, model.schemata[schemaName], overwrite=True)
fti.model_source = serializeModel(model)
else:
raise TypeError("Changes to non-dynamic schemata not yet supported.")
def __call__(self, name, module):
"""Someone tried to load a dynamic interface that has not yet been
created yet. We will attempt to load it from the FTI if we can. If
the FTI doesn't exist, create a temporary marker interface that we
can fill later.
The goal here is to ensure that we create exactly one interface
instance for each name. If we can't find an FTI, we'll cache the
interface so that we don't get a new one with a different id later.
This cache is global, so we synchronise the method with a thread
lock.
Once we have a properly populated interface, we set it onto the
module using setattr(). This means that the factory will not be
invoked again.
"""
try:
prefix, portal_type, schemaName = utils.splitSchemaName(name)
except ValueError:
return None
if name in self._transient_SCHEMA_CACHE:
schema = self._transient_SCHEMA_CACHE[name]
else:
bases = ()
is_default_schema = not schemaName
if is_default_schema:
bases += (IDexteritySchema, )
schema = InterfaceClass(name, bases, __module__=module.__name__)
if is_default_schema:
alsoProvides(schema, IContentType)
fti = queryUtility(IDexterityFTI, name=portal_type)
if fti is None and name not in self._transient_SCHEMA_CACHE:
self._transient_SCHEMA_CACHE[name] = schema
elif fti is not None:
model = fti.lookupModel()
syncSchema(model.schemata[schemaName], schema, sync_bases=True)
# Save this schema in the module - this factory will not be
# called again for this name
if name in self._transient_SCHEMA_CACHE:
del self._transient_SCHEMA_CACHE[name]
setattr(module, name, schema)
return schema
def __call__(self, name, module):
"""Someone tried to load a dynamic interface that has not yet been
created yet. We will attempt to load it from the FTI if we can. If
the FTI doesn't exist, create a temporary marker interface that we
can fill later.
The goal here is to ensure that we create exactly one interface
instance for each name. If we can't find an FTI, we'll cache the
interface so that we don't get a new one with a different id later.
This cache is global, so we synchronise the method with a thread
lock.
Once we have a properly populated interface, we set it onto the
module using setattr(). This means that the factory will not be
invoked again.
"""
try:
prefix, portal_type, schemaName = utils.splitSchemaName(name)
except ValueError:
return None
if name in self._transient_SCHEMA_CACHE:
schema = self._transient_SCHEMA_CACHE[name]
else:
bases = ()
is_default_schema = not schemaName
if is_default_schema:
bases += (IDexteritySchema,)
schema = InterfaceClass(name, bases, __module__=module.__name__)
if is_default_schema:
alsoProvides(schema, IContentType)
fti = queryUtility(IDexterityFTI, name=portal_type)
if fti is None and name not in self._transient_SCHEMA_CACHE:
self._transient_SCHEMA_CACHE[name] = schema
elif fti is not None:
model = fti.lookupModel()
syncSchema(model.schemata[schemaName], schema, sync_bases=True)
# Save this schema in the module - this factory will not be
# called again for this name
if name in self._transient_SCHEMA_CACHE:
del self._transient_SCHEMA_CACHE[name]
setattr(module, name, schema)
return schema