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#!/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
import re
import sys
from django.core.management.base import BaseCommand
from ishtar_common.models import Town
class Command(BaseCommand):
help = 'Import INSEE csv'
def add_arguments(self, parser):
parser.add_argument('csv_file')
parser.add_argument(
'--year', type=int, default=2015, dest='year',
help='Year to affect to new towns')
def handle(self, *args, **options):
csv_file = options['csv_file']
default_year = options['year']
sys.stdout.write('* using year {} for new towns\n'.format(default_year))
sys.stdout.write('* opening file {}\n'.format(csv_file))
r = re.compile(r"(.*)\((.*)\)")
nb_created = 0
nb_link = 0
missing = []
strange = []
linked = set()
with open(csv_file, 'rb') as csvfile:
reader = csv.DictReader(csvfile)
for idx, row in enumerate(reader):
sys.stdout.write('Processing town %d.\r' % (idx + 1))
sys.stdout.flush()
old_insee = row['DepComA']
if len(old_insee) < 5:
old_insee = '0' + old_insee
q = Town.objects.filter(numero_insee=old_insee)
if not q.count():
missing.append((old_insee, row['NomCA']))
continue
if q.count() > 1:
q = q.filter(year__lt=default_year).order_by('-year')
if not q.count():
strange.append((old_insee, row['NomCA']))
continue
old_town = q.all()[0]
new_insee = row['DepComN']
if len(new_insee) < 5:
new_insee = '0' + new_insee
q = Town.objects.filter(numero_insee=new_insee,
year=default_year)
if not q.count():
nb_created += 1
name = row['NomCN'].decode('utf-8').upper().strip()
name = r.sub(r"\2 \1", name).strip()
new_town = Town.objects.create(name=name, year=default_year,
numero_insee=new_insee)
else:
new_town = q.all()[0]
if new_town in old_town.children.all():
continue # link already created
nb_link += 1
old_town.children.add(new_town)
linked.add(new_town)
nb_limit = 0
sys.stdout.write('\nGenerate limits...'.format(nb_created))
for town in linked:
if town.generate_geo():
nb_limit += 1
sys.stdout.write('\n* {} town created\n'.format(nb_created))
sys.stdout.write('* {} link created\n'.format(nb_link))
sys.stdout.write('* {} limit generated\n'.format(nb_limit))
if missing:
sys.stdout.write('* theses towns are missing:\n')
for insee, name in missing:
sys.stdout.write('* {} ({})\n'.format(name, insee))
if strange:
sys.stdout.write('* theses towns have newer version:\n')
for insee, name in strange:
sys.stdout.write('* {} ({})\n'.format(name, insee))
sys.stdout.flush()
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