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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()
model_list = [
("operation", "opération", "de l'opération", Operation),
("archaeologicalsite", "site", "du site", ArchaeologicalSite),
]
for model_slug, model_name, model_full_name, model in model_list:
# manage operation vector sources
model_content_type = ContentType.objects.get(
app_label="archaeological_operations", model=model_slug
)
q = model.objects.exclude(main_geodata__isnull=False)
nb = q.count()
data_type_area, __ = models_common.GeoDataType.objects.get_or_create(
txt_idx=f"{model_slug}-area",
defaults={"label": f"Emprise {model_full_name}"},
)
data_type_center, __ = models_common.GeoDataType.objects.get_or_create(
txt_idx="operation-center", defaults={"label": f"Centre {model_full_name}"}
)
for idx, obj in enumerate(q.all()):
if not quiet:
sys.stdout.write(
f"\r[{percent(idx, nb)}] Migrate {model_name}s {idx + 1}/{nb}"
)
sys.stdout.flush()
obj._no_move = True
obj.skip_history_when_saving = True
obj.save() # auto manage geo town association
q_towns = obj.towns.filter(main_geodata__multi_polygon__isnull=False)
if q_towns.count() > 1:
changed.append(
[model_slug, str(obj), obj.pk, "Association géo de zone communale"]
)
elif q_towns.count() == 1:
changed.append(
[model_slug, str(obj), obj.pk, "Association géo de commune"]
)
if obj.multi_polygon_source == "P" and obj.multi_polygon:
attrs = {
"name": f"{_(model_name.capitalize())}{_(':')} {str(obj)}",
"source_content_type": model_content_type,
"source_id": obj.pk,
"multi_polygon": obj.multi_polygon,
"data_type": data_type_area,
}
data = models_common.GeoVectorData.objects.create(**attrs)
obj.main_geodata = data
obj.save()
changed.append(
[
"geovectordata",
data.name,
data.pk,
f"Multi-polygone {model_name}",
]
)
if obj.point_source == "P" and obj.point_2d:
if obj.x and obj.y:
attrs = {
"name": f"{_(model_name.capitalize())}{_(':')} {str(obj)}",
"source_content_type": model_content_type,
"source_id": obj.pk,
"data_type": data_type_center,
"x": obj.x,
"y": obj.y,
"z": obj.z,
}
data = models_common.GeoVectorData.objects.create(**attrs)
obj.main_geodata = data
obj.save()
changed.append(
[
"geovectordata",
data.name,
data.pk,
f"Coordonnées {model_name}",
]
)
elif obj.point_2d:
attrs = {
"name": f"{_(model_name.capitalize())}{_(':')} {str(obj)}",
"source_content_type": model_content_type,
"source_id": obj.pk,
"data_type": data_type_center,
}
if obj.point:
attrs["point_3d"] = obj.point
else:
attrs["point_2d"] = obj.point_2d
data = models_common.GeoVectorData.objects.create(**attrs)
obj.main_geodata = data
obj.save()
changed.append(
["geovectordata", data.name, data.pk, f"Point {model_name}"]
)
if not quiet and nb:
sys.stdout.write(f"\r[{get_time()}] {model_name.capitalize()} 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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