Viewing github.com/django/django-stable-4.1.x/tests/gis_tests/gis_migrations/migrations/0002_create_models.py

from django.contrib.gis.db import models

from django.db import connection, migrations

```
ops = [
```
```
    migrations.CreateModel(
```
```
        name="Neighborhood",
```
```
        fields=[
```
```
            (
```
```
                "id",
```
```
                models.AutoField(
```
```
                    verbose_name="ID",
```
```
                    serialize=False,
```
```
                    auto_created=True,
```
```
                    primary_key=True,
```
```
                ),
```
```
            ),
```

            ("name", models.CharField(max_length=100, unique=True)),

            ("geom", models.MultiPolygonField(srid=4326)),

```
        ],
```
```
        options={},
```
```
        bases=(models.Model,),
```
```
    ),
```
```
    migrations.CreateModel(
```
```
        name="Household",
```
```
        fields=[
```
```
            (
```
```
                "id",
```
```
                models.AutoField(
```
```
                    verbose_name="ID",
```
```
                    serialize=False,
```
```
                    auto_created=True,
```
```
                    primary_key=True,
```
```
                ),
```
```
            ),
```
```
            (
```
```
                "neighborhood",
```
```
                models.ForeignKey(
```

                    "gis_migrations.Neighborhood",

```
                    models.SET_NULL,
```
```
                    to_field="id",
```
```
                    null=True,
```
```
                ),
```
```
            ),
```

            ("address", models.CharField(max_length=100)),

            ("zip_code", models.IntegerField(null=True, blank=True)),

            ("geom", models.PointField(srid=4326, geography=True)),

```
        ],
```
```
        options={},
```
```
        bases=(models.Model,),
```
```
    ),
```
```
    migrations.CreateModel(
```
```
        name="Family",
```
```
        fields=[
```
```
            (
```
```
                "id",
```
```
                models.AutoField(
```
```
                    verbose_name="ID",
```
```
                    serialize=False,
```
```
                    auto_created=True,
```
```
                    primary_key=True,
```
```
                ),
```
```
            ),
```

            ("name", models.CharField(max_length=100, unique=True)),

```
        ],
```
```
        options={},
```
```
        bases=(models.Model,),
```
```
    ),
```
```
    migrations.AddField(
```
```
        model_name="household",
```
```
        name="family",
```
```
        field=models.ForeignKey(
```

            "gis_migrations.Family", models.SET_NULL, blank=True, null=True

```
        ),
```
```
        preserve_default=True,
```
```
    ),
```
```
]
```

if connection.features.supports_raster:

```
    ops += [
```
```
        migrations.CreateModel(
```
```
            name="Heatmap",
```
```
            fields=[
```
```
                (
```
```
                    "id",
```
```
                    models.AutoField(
```

                        verbose_name="ID",

                        serialize=False,

                        auto_created=True,

                        primary_key=True,

```
                    ),
```
```
                ),
```

                ("name", models.CharField(max_length=100, unique=True)),

                ("rast", models.fields.RasterField(srid=4326)),

```
            ],
```
```
            options={},
```
```
            bases=(models.Model,),
```
```
        ),
```
```
    ]
```
```
class Migration(migrations.Migration):
```
```
    """
```

    Used for gis-specific migration tests.

```
    """
```
```
    dependencies = [
```

        ("gis_migrations", "0001_setup_extensions"),

```
    ]
```
```
    operations = ops
```

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