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# Copyright (C) 2015 Chintalagiri Shashank # # This file is part of Tendril. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ This file is part of tendril See the COPYING, README, and INSTALL files for more information """
import idstring
from tendril.utils.db import with_db
from db import controller from sqlalchemy.orm.exc import NoResultFound
from tendril.utils import log logger = log.get_logger(__name__, log.DEBUG)
def get_series(sno): return sno.split('-')[0]
@with_db def get_serialno_object(sno=None, session=None): return controller.get_serialno_object(sno=sno, session=session)
@with_db def get_serialno_efield(sno=None, session=None): return controller.get_serialno_object(sno=sno, session=session).efield
@with_db def serialno_exists(sno=None, session=None): try: controller.get_serialno_object(sno=sno, session=session) return True except NoResultFound: return False
@with_db def register_serialno(sno=None, efield=None, session=None): logger.info("Registering new serial number : " + sno) return controller.register_serialno(sno=sno, efield=efield, session=session)
@with_db def link_serialno(child=None, parent=None, association_type=None, session=None): if child is None: raise AttributeError("child cannot be None") if parent is None: raise AttributeError("parent cannot be None") logger.info("Linking " + child + " to parent " + parent) return controller.link_serialno(child=child, parent=parent, association_type=association_type, session=session)
@with_db def get_parent_serialnos(sno=None, session=None): if sno is None: raise AttributeError("child cannot be None") return controller.get_serialno_object( sno=sno, session=session).parents
@with_db def get_child_serialnos(sno=None, session=None): if sno is None: raise AttributeError("child cannot be None") return controller.get_serialno_object(sno=sno, session=session).children
@with_db def delete_serialno(sno, recurse=False, session=None): if recurse is True: for snoi in get_child_serialnos(sno): controller.delete_serialno(snoi, recurse, session) controller.delete_serialno(sno, recurse, session)
# def delete_series(series): # for serialno in get_all_serialnos(): # if get_series(serialno) == series: # logger.info("Deleting Serial No : " + serialno) # delete_serialno(serialno) # logger.info("Deleting Series : " + series) # nsno_table.delete(series=series)
@with_db def get_serialno(series=None, efield=None, register=True, start_seed='100A', session=None): series = series.upper() series_obj = controller.get_series_obj(series=series, session=session) if series_obj is not None: last_seed = series_obj.last_seed logger.debug("Found last seed for series " + str(series) + " : " + str(last_seed)) generator = idstring.IDstring(seed=last_seed) new_sno = generator + 1 if register is True: logger.info("Updating seed for series " + series + " : " + str(new_sno.get_seed())) series_obj.last_seed = new_sno.get_seed() register_serialno( sno=series + '-' + new_sno, efield=efield, session=session ) else: logger.info("Not updating seed for series " + series + " : " + str(new_sno.get_seed())) return series + '-' + new_sno else: logger.info("Could not find series in db : " + series) generator = idstring.IDstring(seed=start_seed) if register is True: logger.info("Creating series in db : " + series) controller.create_series_obj( series=series, start_seed=start_seed, session=session ) register_serialno( sno=series + '-' + generator, efield=efield, session=session ) else: logger.info("NOT Creating series in db : " + series) return series + '-' + generator |