# Generated by Django 2.2.27 on 2023-05-19 15:38
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import rasterio
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import os
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import django.contrib.postgres.fields.jsonb
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from django.db import migrations
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from webodm import settings
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def update_orthophoto_bands_fields(apps, schema_editor):
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Task = apps.get_model('app', 'Task')
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for t in Task.objects.all():
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bands = []
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orthophoto_path = os.path.join(settings.MEDIA_ROOT, "project", str(t.project.id), "task", str(t.id), "assets", "odm_orthophoto", "odm_orthophoto.tif")
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if os.path.isfile(orthophoto_path):
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try:
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with rasterio.open(orthophoto_path) as f:
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bands = [c.name for c in f.colorinterp]
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except Exception as e:
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print(e)
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print("Updating {} (with orthophoto bands: {})".format(t, str(bands)))
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t.orthophoto_bands = bands
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t.save()
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class Migration(migrations.Migration):
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dependencies = [
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('app', '0034_delete_imageupload'),
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]
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operations = [
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migrations.AddField(
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model_name='task',
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name='orthophoto_bands',
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field=django.contrib.postgres.fields.jsonb.JSONField(blank=True, default=list, help_text='List of orthophoto bands', verbose_name='Orthophoto Bands'),
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),
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migrations.RunPython(update_orthophoto_bands_fields),
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]
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