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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2025 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 datetime
import json
import sys
from django.core.management.base import BaseCommand
from django.db import transaction
from ishtar_common.utils import BColors, get_progress
from ishtar_common.models import Town
class Command(BaseCommand):
help = 'Export towns fixtures'
def add_arguments(self, parser):
parser.add_argument(
'--query', type=str, default="", dest='query',
help='Limit exported towns to query. Query is a valid Django query dict with '
' " for quotes. Example: --query=\'{"numero_insee__startswith": "35"}')
parser.add_argument(
'--quiet', dest='quiet', action='store_true',
help='Quiet output')
@transaction.atomic
def handle(self, *args, **options):
quiet = options['quiet']
query = options["query"]
q = Town.objects.filter(main_geodata__isnull=False,
main_geodata__multi_polygon__isnull=False)
if query:
try:
query = json.loads(query)
except json.JSONDecodeError:
sys.stdout.write(f"\n{BColors.FAIL}Bad query{BColors.ENDC}\n")
return
q = q.filter(**query)
nb_lines = q.count()
started = datetime.datetime.now()
result = []
for idx, town in enumerate(q.all()):
if not quiet:
sys.stdout.write(
get_progress("processing town", idx, nb_lines, started)
)
sys.stdout.flush()
result += town.geodata_export
today = datetime.date.today()
result_file = f"ishtar-towns-{today.strftime('%Y-%m-%d')}.json"
with open(result_file, "w") as r:
r.write(json.dumps(result, indent=4))
if quiet:
return
sys.stdout.write(f"\n{BColors.WARNING}{result_file}{BColors.ENDC}\n")
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