diff options
Diffstat (limited to 'ishtar_common/management/commands/import_geofla_csv.py')
-rw-r--r-- | ishtar_common/management/commands/import_geofla_csv.py | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ishtar_common/management/commands/import_geofla_csv.py b/ishtar_common/management/commands/import_geofla_csv.py new file mode 100644 index 000000000..b7cb2b604 --- /dev/null +++ b/ishtar_common/management/commands/import_geofla_csv.py @@ -0,0 +1,85 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# Copyright (C) 2017 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 csv + +from django.core.management.base import BaseCommand +from django.contrib.gis.geos import GEOSGeometry, Point + +from ishtar_common.models import Town + + +class Command(BaseCommand): + help = 'Import GEOFLA csv' + + def add_arguments(self, parser): + parser.add_argument('csv_file') + parser.add_argument( + '--year', type=int, default=2014, dest='year', + help='Default year to affect to the town') + + def handle(self, *args, **options): + csv_file = options['csv_file'] + self.stdout.write('* Opening file {}\n'.format(csv_file)) + default_year = options['year'] + nb_created, nb_changed = 0, 0 + with open(csv_file, 'rb') as csvfile: + reader = csv.DictReader(csvfile) + for idx, row in enumerate(reader): + self.stdout.write('Processing town %d.\r' % (idx + 1)) + self.stdout.flush() + num_insee = row['INSEE_COM'] + if len(num_insee) < 5: + num_insee = '0' + num_insee + q = Town.objects.filter(numero_insee=num_insee) + changed, created = False, False + if q.count(): + town = q.all()[0] + else: + changed = True + created = True + nb_created += 1 + town = Town(name=row['NOM_COM'], + numero_insee=num_insee) + if not town.limit: + changed = True + geom = row['wkt_geom'].upper() + if 'MULTI' not in geom: + geom = geom.replace('POLYGON', 'MULTIPOLYGON(') + ')' + town.limit = GEOSGeometry(geom, srid=2154) + if not town.center: + changed = True + town.center = Point(float(row['X_CENTROID']), + float(row['Y_CENTROID']), srid=2154) + if not town.year and default_year: + changed = True + town.year = default_year + if not town.surface: + changed = True + town.surface = row['SUPERFICIE'] + if changed: + if not created: + nb_changed += 1 + town.save() + self.stdout.write('\n* {} town created'.format(nb_created)) + self.stdout.write('\n* {} town changed\n'.format(nb_changed)) + self.stdout.flush() + + + |