OpenDroneMap-WebODM/app/migrations/0005_auto_20170707_1014.py

47 wiersze
1.4 KiB
Python

# -*- coding: utf-8 -*-
# Generated by Django 1.11.1 on 2017-07-07 14:14
from __future__ import unicode_literals
from django.contrib.gis.gdal import GDALRaster, OGRGeometry
from django.contrib.gis.geos import GEOSGeometry
from django.db import migrations
import os
from webodm import settings
def assets_path(project_id, task_id, *args):
return os.path.join(settings.MEDIA_ROOT,
"project",
str(project_id),
"task",
str(task_id),
"assets",
*args)
def transfer_existing_orthophoto_extent_values(apps, schema_editor):
Task = apps.get_model('app', 'Task')
for t in Task.objects.all():
print("Checking {}".format(t))
orthophoto_path = assets_path(t.project.id, t.id, "odm_orthophoto", "odm_orthophoto_4326.tif")
if os.path.exists(orthophoto_path):
print("Migrating {}".format(orthophoto_path))
raster = GDALRaster(orthophoto_path)
geom = OGRGeometry.from_bbox(raster.extent)
t.orthophoto_extent = GEOSGeometry(geom.wkt)
t.save()
os.remove(orthophoto_path)
class Migration(migrations.Migration):
dependencies = [
('app', '0004_auto_20170707_1014'),
]
operations = [
migrations.RunPython(transfer_existing_orthophoto_extent_values),
]