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() + + + | 
