content: import django.db.models.deletion
  import mptt.fields
  import taggit.managers
  from django.db import migrations, models
  
  import utilities.json
  
  
  class Migration(migrations.Migration):
      replaces = [
          ('wireless', '0001_wireless'),
          ('wireless', '0002_standardize_id_fields'),
          ('wireless', '0003_created_datetimefield'),
          ('wireless', '0004_wireless_tenancy'),
          ('wireless', '0005_wirelesslink_interface_types'),
          ('wireless', '0006_unique_constraints'),
          ('wireless', '0007_standardize_description_comments'),
          ('wireless', '0008_wirelesslan_status'),
      ]
  
      dependencies = [
          ('ipam', '0002_squashed_0046'),
          ('tenancy', '0002_squashed_0011'),
          ('extras', '0002_squashed_0059'),
          ('dcim', '0003_squashed_0130'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='WirelessLANGroup',
              fields=[
                  ('created', models.DateTimeField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('slug', models.SlugField(max_length=100, unique=True)),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  ('lft', models.PositiveIntegerField(editable=False)),
                  ('rght', models.PositiveIntegerField(editable=False)),
                  ('tree_id', models.PositiveIntegerField(db_index=True, editable=False)),
                  ('level', models.PositiveIntegerField(editable=False)),
                  (
                      'parent',
                      mptt.fields.TreeForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.CASCADE,
                          related_name='children',
                          to='wireless.wirelesslangroup',
                      ),
                  ),
              ],
              options={
                  'ordering': ('name', 'pk'),
                  'unique_together': set(),
                  'verbose_name': 'Wireless LAN Group',
              },
          ),
          migrations.CreateModel(
              name='WirelessLAN',
              fields=[
                  ('created', models.DateTimeField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('ssid', models.CharField(max_length=32)),
                  (
                      'group',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.SET_NULL,
                          related_name='wireless_lans',
                          to='wireless.wirelesslangroup',
                      ),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('auth_cipher', models.CharField(blank=True, max_length=50)),
                  ('auth_psk', models.CharField(blank=True, max_length=64)),
                  ('auth_type', models.CharField(blank=True, max_length=50)),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  (
                      'vlan',
                      models.ForeignKey(
                          blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='ipam.vlan'
                      ),
                  ),
                  (
                      'tenant',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='wireless_lans',
                          to='tenancy.tenant',
                      ),
                  ),
              ],
              options={
                  'verbose_name': 'Wireless LAN',
                  'ordering': ('ssid', 'pk'),
              },
          ),
          migrations.CreateModel(
              name='WirelessLink',
              fields=[
                  ('created', models.DateTimeField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('ssid', models.CharField(blank=True, max_length=32)),
                  ('status', models.CharField(default='connected', max_length=50)),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('auth_cipher', models.CharField(blank=True, max_length=50)),
                  ('auth_psk', models.CharField(blank=True, max_length=64)),
                  ('auth_type', models.CharField(blank=True, max_length=50)),
                  (
                      '_interface_a_device',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.CASCADE,
                          related_name='+',
                          to='dcim.device',
                      ),
                  ),
                  (
                      '_interface_b_device',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.CASCADE,
                          related_name='+',
                          to='dcim.device',
                      ),
                  ),
                  (
                      'interface_a',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='+',
                          to='dcim.interface',
                      ),
                  ),
                  (
                      'interface_b',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='+',
                          to='dcim.interface',
                      ),
                  ),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  (
                      'tenant',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='wireless_links',
                          to='tenancy.tenant',
                      ),
                  ),
              ],
              options={
                  'ordering': ['pk'],
                  'unique_together': set(),
              },
          ),
          migrations.AddConstraint(
              model_name='wirelesslangroup',
              constraint=models.UniqueConstraint(
                  fields=('parent', 'name'), name='wireless_wirelesslangroup_unique_parent_name'
              ),
          ),
          migrations.AddConstraint(
              model_name='wirelesslink',
              constraint=models.UniqueConstraint(
                  fields=('interface_a', 'interface_b'), name='wireless_wirelesslink_unique_interfaces'
              ),
          ),
          migrations.AddField(
              model_name='wirelesslan',
              name='comments',
              field=models.TextField(blank=True),
          ),
          migrations.AddField(
              model_name='wirelesslink',
              name='comments',
              field=models.TextField(blank=True),
          ),
          migrations.AddField(
              model_name='wirelesslan',
              name='status',
              field=models.CharField(default='active', max_length=50),
          ),
      ]
  