def _delete_for_mapper(mapper, mapping_table=None, parent=None):
''' Delete the OE object(s) corresponding to the given mapper '''
#get model corresponding to specified mapper
obj_model = mapper.content_type.model_class()
if mapping_table is None:
#get root mapping if no mapping is specified
mapping_table = ModelMapper.get_for_model(obj_model)[mapper.oerp_model]
res = True
#copy mapper for future reference
mapper_del = DeletedObjMapper.objects.get_or_create(
content_type = mapper.content_type,
oerp_model = mapper.oerp_model,
oerp_id = mapper.oerp_id,
parent = parent)[0]
#find child mappers
child_mappers = mapper.__class__.objects.filter(parent = mapper)
for child in child_mappers:
#recursively delete child objects
child.sync_now = mapper.sync_now
res = res and _delete_for_mapper(
mapper = child,
mapping_table = mapping_table[child.oerp_model],
parent = mapper_del)
#check whether objects corresponding to this oe model can be deleted
mapper.auto_del = ModelMapper.check_auto_del(mapping_table)
try:
if mapper.sync_now:
#Automatic synchronization is turned on
oerp_object = Oerp(mapper.oerp_model, mapper.oerp_id)
#only try to delete if the object exists and is not
#deleted automatically with its parent object
if oerp_object.exists and not mapper.auto_del:
oerp_object.delete()
#deleting non-existent objects is OK and is not logged
mapper_del.is_dirty = False
else:
#this object will be deleted later
mapper_del.is_dirty = True
except Exception as errmsg:
#the sync failed
log.error('Sync failed -- %s' % errmsg)
mapper_del.is_dirty = True
res = False
finally:
#store mapper in deleted mappers and delete original mapper
if mapper != mapper_del:
mapper.delete()
mapper_del.save()
return res
