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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import csv
import datetime
import os
import sys
from django.conf import settings
from django.contrib.contenttypes.models import ContentType
from django.core.management.base import BaseCommand
from ishtar_common.utils import ugettext_lazy as _
from ishtar_common import models_common, models
from archaeological_operations.models import Operation, ArchaeologicalSite
log_path = os.sep.join([settings.ROOT_PATH, "logs"])
if not os.path.exists(log_path):
os.mkdir(log_path, mode=0o770)
def migrate(quiet=False, log=True):
changed = []
# create towns
q = models_common.Town.objects.exclude(
center__isnull=True, limit__isnull=True
).exclude(main_geodata__isnull=False)
nb = q.count()
town_content_type = ContentType.objects.get(app_label="ishtar_common", model="town")
data_type, __ = models_common.GeoDataType.objects.get_or_create(
txt_idx="town-limit", defaults={"label": "Limites commune"}
)
provider, __ = models_common.GeoProviderType.objects.get_or_create(
txt_idx="france-ign", defaults={"label": "IGN"}
)
for idx, town in enumerate(q.all()):
if not quiet:
sys.stdout.write(f"\r[{percent(idx, nb)}] Migrate towns {idx + 1}/{nb}")
sys.stdout.flush()
attrs = {
"name": town._generate_cached_label(),
"source_content_type": town_content_type,
"source_id": town.pk,
"data_type": data_type,
"provider": provider,
}
if town.limit:
attrs["multi_polygon"] = town.limit
else:
attrs["point_2d"] = town.center
data, created = models_common.GeoVectorData.objects.get_or_create(**attrs)
if created:
changed.append(["geovectordata", data.name, data.pk, "Création commune"])
town.main_geodata = data
town.save()
if not quiet and nb:
sys.stdout.write(f"\r[{get_time()}] Towns migrated\n")
sys.stdout.flush()
# manage operation vector sources
operation_content_type = ContentType.objects.get(
app_label="archaeological_operations", model="operation"
)
q = Operation.objects.exclude(main_geodata__isnull=False)
nb = q.count()
data_type_area, __ = models_common.GeoDataType.objects.get_or_create(
txt_idx="operation-area", defaults={"label": "Emprise de l'opération"}
)
data_type_center, __ = models_common.GeoDataType.objects.get_or_create(
txt_idx="operation-center", defaults={"label": "Centre de l'opération"}
)
for idx, operation in enumerate(q.all()):
if not quiet:
sys.stdout.write(f"\r[{percent(idx, nb)}] Migrate operations {idx + 1}/{nb}")
sys.stdout.flush()
operation._no_move = True
operation.skip_history_when_saving = True
operation.save() # auto manage geo town association
q_towns = operation.towns.filter(main_geodata__multi_polygon__isnull=False)
if q_towns.count() > 1:
changed.append(
["operation", str(operation), operation.pk,
"Association géo de zone communale"])
elif q_towns.count() == 1:
changed.append(
["operation", str(operation), operation.pk,
"Association géo de commune"])
if operation.multi_polygon_source == "P" and operation.multi_polygon:
attrs = {
"name": f"{_('Operation')}{_(':')} {str(operation)}",
"source_content_type": operation_content_type,
"source_id": operation.pk,
"multi_polygon": operation.multi_polygon,
"data_type": data_type_area,
}
data = models_common.GeoVectorData.objects.create(**attrs)
operation.main_geodata = data
operation.save()
changed.append(
["geovectordata", data.name, data.pk, "Multi-polygone opération"])
if operation.point_source == "P" and operation.point_2d:
if operation.x and operation.y:
attrs = {
"name": f"{_('Operation')}{_(':')} {str(operation)}",
"source_content_type": operation_content_type,
"source_id": operation.pk,
"data_type": data_type_center,
"x": operation.x,
"y": operation.y,
"z": operation.z,
}
data = models_common.GeoVectorData.objects.create(**attrs)
operation.main_geodata = data
operation.save()
changed.append(
["geovectordata", data.name, data.pk, "Coordonnées opération"])
elif operation.point_2d:
attrs = {
"name": f"{_('Operation')}{_(':')} {str(operation)}",
"source_content_type": operation_content_type,
"source_id": operation.pk,
"data_type": data_type_center,
}
if operation.point:
attrs["point_3d"] = operation.point
else:
attrs["point_2d"] = operation.point_2d
data = models_common.GeoVectorData.objects.create(**attrs)
operation.main_geodata = data
operation.save()
changed.append(
["geovectordata", data.name, data.pk, "Point opération"])
if not quiet and nb:
sys.stdout.write(f"\r[{get_time()}] Operation migrated\n")
sys.stdout.flush()
if log and changed:
filename = f"geo_migration-created-{get_time().replace(':', '')}.csv"
path = os.sep.join([log_path, filename])
with open(path, "w+") as fle:
writer = csv.writer(fle)
writer.writerow(["model", "name", "id", "context"])
for change in changed:
writer.writerow(change)
if not quiet:
sys.stdout.write(f"[{get_time()}] Log: {path} written\n")
def percent(current, total):
return f"{(current + 1) / total * 100:.1f}".rjust(4, "0") + "%"
def get_time():
return datetime.datetime.now().isoformat().split(".")[0]
class Command(BaseCommand):
help = "Migrate to new geo data management"
def add_arguments(self, parser):
parser.add_argument(
"--quiet", dest="quiet", action="store_true", help="Quiet output"
)
parser.add_argument(
"--log", dest="log", action="store_false", help="Log into a file"
)
def handle(self, *args, **options):
log = options["log"]
quiet = options["quiet"]
if not quiet:
sys.stdout.write(f"[{get_time()}] Processing migration\n")
errors = migrate(quiet=quiet, log=log)
if not errors:
if not quiet:
sys.stdout.write(f"[{get_time()}] Migration finished\n")
sys.exit()
if not quiet:
sys.stdout.write("\n".join(errors))
sys.exit(1)
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