Add a ``schema`` command to cmd ctrl to generate schema image.
This changeset add the new commande and do some refactoring in cwconfig and
schema.py to allow the use of CubicWebNoAppConfiguration with
CubicWebSchemaLoader.
"""hooks to handle attributes mapped to a custom storage
"""
from os import unlink
from cubicweb.server.hook import Hook
from cubicweb.server.sources.storages import ETYPE_ATTR_STORAGE
class BFSSHook(Hook):
"""abstract class for bytes file-system storage hooks"""
__abstract__ = True
category = 'bfss'
class PreAddEntityHook(BFSSHook):
""""""
__regid__ = 'bfss_add_entity'
events = ('before_add_entity', )
#__select__ = Hook.__select__ & implements('Repository')
def __call__(self):
for attr in ETYPE_ATTR_STORAGE.get(self.entity.__regid__, ()):
fpath = ETYPE_ATTR_STORAGE[self.entity.__regid__][attr].entity_added(self.entity, attr)
if fpath is not None:
AddFileOp(filepath=fpath)
class PreUpdateEntityHook(BFSSHook):
""""""
__regid__ = 'bfss_update_entity'
events = ('before_update_entity', )
#__select__ = Hook.__select__ & implements('Repository')
def __call__(self):
for attr in ETYPE_ATTR_STORAGE.get(self.entity.__regid__, ()):
ETYPE_ATTR_STORAGE[self.entity.__regid__][attr].entity_updated(self.entity, attr)
class PreDeleteEntityHook(BFSSHook):
""""""
__regid__ = 'bfss_delete_entity'
events = ('before_delete_entity', )
#__select__ = Hook.__select__ & implements('Repository')
def __call__(self):
for attr in ETYPE_ATTR_STORAGE.get(self.entity.__regid__, ()):
ETYPE_ATTR_STORAGE[self.entity.__regid__][attr].entity_deleted(self.entity, attr)