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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2013-2018 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# 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/>.
# See the file COPYING for details.
import sys
from django.core.management.base import BaseCommand, CommandError
from django.apps import apps
class Command(BaseCommand):
help = 'Regenerate external id.'
def add_arguments(self, parser):
parser.add_argument('model', nargs='+')
def handle(self, *args, **options):
for app_model_name in options['model']:
try:
capp, model_name = app_model_name.split(".")
except ValueError:
raise CommandError(
"Model argument must be \"app_name.model_name\". Example: "
"archaeological_operations.Operation"
)
ok = False
for app in ['ishtar_common', 'archaeological_operations',
'archaeological_context_records',
'archaeological_finds', 'archaeological_warehouse']:
if capp != app:
continue
for model in apps.get_app_config(app).get_models():
if model.__name__ != model_name:
continue
if not bool(
[k for k in dir(model) if k == "external_id"]):
continue
msg = u"* processing {} - {}:".format(
app, model._meta.verbose_name)
ln = model.objects.count()
for idx, object in enumerate(model.objects.all()):
object.skip_history_when_saving = True
object.external_id = None
cmsg = u"\r{} {}/{}".format(msg, idx + 1, ln)
sys.stdout.write(cmsg)
sys.stdout.flush()
object.save()
sys.stdout.write("\n")
ok = True
if not ok:
raise CommandError(
"{} not found or have no external ID".format(
app_model_name))
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