def register(self, obj: IBaseObject, new_oid: Optional[str] = None):
"""We are adding a new object on the DB"""
if self.read_only:
raise ReadOnlyError()
if self.status in (Status.ABORTED, Status.COMMITTED, Status.CONFLICT):
raise TransactionClosedException(f"Could not save {obj} to closed transaction", self, obj)
if obj.__txn__ is None:
obj.__txn__ = self
oid = obj.__uuid__
new = False
if oid is None:
if new_oid is not None:
new = True
else:
new_oid = app_settings["uid_generator"](obj)
oid = new_oid
obj.__uuid__ = oid
if new or obj.__new_marker__:
if obj.__parent__ is not None and hasattr(obj, "id"):
self.added_children[(obj.__parent__.__uuid__, obj.id)] = obj.__uuid__
self.added[oid] = obj
elif oid in self.modified:
if id(obj) != id(self.modified[oid]):
raise TransactionObjectRegistrationMismatchException(self.modified[oid], obj)
elif oid not in self.added:
self.modified[oid] = obj
def delete(self, obj: IBaseObject):
if self.read_only:
raise ReadOnlyError()
oid = obj.__uuid__
if oid is not None:
if oid in self.modified:
del self.modified[oid]
elif oid in self.added:
del self.added[oid]
self.deleted[oid] = obj
def check_read_only(self):
if self.request is None:
try:
self.request = get_current_request()
except RequestNotFound:
return False
if hasattr(self.request, '_db_write_enabled') and not self.request._db_write_enabled:
raise Unauthorized('Adding content not permited')
# Add the new tid
if self._manager._storage._read_only:
raise ReadOnlyError()
def register(self, obj: IBaseObject, new_oid: Optional[str] = None):
"""We are adding a new object on the DB"""
if self.read_only:
raise ReadOnlyError()
if obj.__txn__ is None:
obj.__txn__ = self
oid = obj.__uuid__
new = False
if oid is None:
if new_oid is not None:
new = True
else:
new_oid = app_settings['uid_generator'](obj)
oid = new_oid
obj.__uuid__ = oid
if new or obj.__new_marker__:
self.added[oid] = obj
elif oid not in self.modified and oid not in self.added:
self.modified[oid] = obj