old_contents: from django.core.management.base import BaseCommand, CommandError
  from django.db import transaction
  from django.db.models import signals
  from optparse import make_option
  
  import json
  import pprint
  
  from taiga.projects.models import Project
  from taiga.export_import.renderers import ExportRenderer
  from taiga.export_import.dump_service import dict_to_project, TaigaImportError
  from taiga.export_import.service import get_errors
  
  class Command(BaseCommand):
      args = '<dump_file> <owner-email>'
      help = 'Export a project to json'
      renderer_context = {"indent": 4}
      renderer = ExportRenderer()
      option_list = BaseCommand.option_list + (
          make_option('--overwrite',
              action='store_true',
              dest='overwrite',
              default=False,
              help='Delete project if exists'),
          )
  
      def handle(self, *args, **options):
          data = json.loads(open(args[0], 'r').read())
          try:
              with transaction.atomic():
                  if options["overwrite"]:
                      receivers_back = signals.post_delete.receivers
                      signals.post_delete.receivers = []
                      try:
                          proj = Project.objects.get(slug=data.get("slug", "not a slug"))
                          proj.tasks.all().delete()
                          proj.user_stories.all().delete()
                          proj.issues.all().delete()
                          proj.memberships.all().delete()
                          proj.roles.all().delete()
                          proj.delete()
                      except Project.DoesNotExist:
                          pass
                      signals.post_delete.receivers = receivers_back
                  dict_to_project(data, args[1])
          except TaigaImportError as e:
              print("ERROR:", end=" ")
              print(e.message)
              print(get_errors())
  
new_contents: # Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
  # Copyright (C) 2014 Jesús Espino <jespinog@gmail.com>
  # Copyright (C) 2014 David Barragán <bameda@dbarragan.com>
  # 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/>.
  
  from django.core.management.base import BaseCommand, CommandError
  from django.db import transaction
  from django.db.models import signals
  from optparse import make_option
  
  import json
  import pprint
  
  from taiga.projects.models import Project
  from taiga.export_import.renderers import ExportRenderer
  from taiga.export_import.dump_service import dict_to_project, TaigaImportError
  from taiga.export_import.service import get_errors
  
  class Command(BaseCommand):
      args = '<dump_file> <owner-email>'
      help = 'Export a project to json'
      renderer_context = {"indent": 4}
      renderer = ExportRenderer()
      option_list = BaseCommand.option_list + (
          make_option('--overwrite',
              action='store_true',
              dest='overwrite',
              default=False,
              help='Delete project if exists'),
          )
  
      def handle(self, *args, **options):
          data = json.loads(open(args[0], 'r').read())
          try:
              with transaction.atomic():
                  if options["overwrite"]:
                      receivers_back = signals.post_delete.receivers
                      signals.post_delete.receivers = []
                      try:
                          proj = Project.objects.get(slug=data.get("slug", "not a slug"))
                          proj.tasks.all().delete()
                          proj.user_stories.all().delete()
                          proj.issues.all().delete()
                          proj.memberships.all().delete()
                          proj.roles.all().delete()
                          proj.delete()
                      except Project.DoesNotExist:
                          pass
                      signals.post_delete.receivers = receivers_back
                  dict_to_project(data, args[1])
          except TaigaImportError as e:
              print("ERROR:", end=" ")
              print(e.message)
              print(get_errors())
  
subject: Add license