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working on autofield and integerfield examples
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‎content/pages/examples/django/django-db-models-autofield.markdown‎

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title: django.db.models AutoField Example Code
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category: page
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slug: django-db-models-autofield-examples
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sortorder: 50107
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toc: False
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sidebartitle: django.db.models AutoField
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meta: Python code examples for the AutoField class used in the Django ORM, found within the django.db.models module of the Django project.
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[AutoField](https://github.com/django/django/blob/master/django/db/models/fields/__init__.py)
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is a [Django ORM](/django-orm.html) mapping from your Python code to an
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integer-type column in your [relational database](/databases.html).
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The [Django](/django.html) project has great documentation for
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[AutoField](https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.AutoField)
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as well as all of the other column fields.
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Note that `AutoField` is defined within the
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[django.db.models.fields](https://github.com/django/django/blob/master/django/db/models/fields/__init__.py)
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module but is typically referenced from
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[django.db.models](https://github.com/django/django/tree/master/django/db/models)
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rather than including the `fields` module reference.
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## Example 1 from django-axes
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[django-axes](https://github.com/jazzband/django-axes/)
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([project documentation](https://django-axes.readthedocs.io/en/latest/)
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and
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[PyPI package information](https://pypi.org/project/django-axes/)
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is a code library for [Django](/django.html) projects to track failed
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login attempts against a web application. The goal of the project is
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to make it easier for you to stop people and scripts from hacking your
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Django-powered website.
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The code for django-axes is
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[open source under the MIT license](https://github.com/jazzband/django-axes/blob/master/LICENSE)
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and maintained by the group of developers known as
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[Jazzband](https://jazzband.co/).
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[**django-axes / axes / migrations / 0001_initial.py**](https://github.com/jazzband/django-axes/blob/master/axes/migrations/0001_initial.py)
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```python
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~~from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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]
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operations = [
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migrations.CreateModel(
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name='AccessAttempt',
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fields=[
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('id',
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~~ models.AutoField(verbose_name='ID',
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~~ serialize=False,
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~~ auto_created=True,
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~~ primary_key=True)),
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('user_agent', models.CharField(max_length=255)),
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('ip_address',
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models.GenericIPAddressField(null=True,
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verbose_name='IP Address')),
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('username', models.CharField(max_length=255,
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null=True)),
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('trusted', models.BooleanField(default=False)),
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('http_accept',
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models.CharField(max_length=1025,
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verbose_name='HTTP Accept')),
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('path_info',
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models.CharField(max_length=255,
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verbose_name='Path')),
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('attempt_time',
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models.DateTimeField(auto_now_add=True)),
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('get_data',
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models.TextField(verbose_name='GET Data')),
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('post_data', models.TextField(verbose_name='POST Data')),
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('failures_since_start',
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models.PositiveIntegerField(verbose_name='Failed Logins')),
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],
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options={
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'ordering': ['-attempt_time'],
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'abstract': False,
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},
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),
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migrations.CreateModel(
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name='AccessLog',
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fields=[
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~~ ('id', models.AutoField(verbose_name='ID',
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~~ serialize=False,
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~~ auto_created=True,
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~~ primary_key=True)),
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('user_agent', models.CharField(max_length=255)),
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('ip_address',
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models.GenericIPAddressField(null=True,
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verbose_name='IP Address')),
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('username', models.CharField(max_length=255, null=True)),
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('trusted', models.BooleanField(default=False)),
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('http_accept',
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models.CharField(max_length=1025,
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verbose_name='HTTP Accept')),
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('path_info',
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models.CharField(max_length=255,
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verbose_name='Path')),
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('attempt_time',
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models.DateTimeField(auto_now_add=True)),
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('logout_time', models.DateTimeField(null=True,
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blank=True)),
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],
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options={
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'ordering': ['-attempt_time'],
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'abstract': False,
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},
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),
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]
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```
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## Example 2 from django-filer
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[django-filer](https://github.com/divio/django-filer)
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([project documentation](https://django-filer.readthedocs.io/en/latest/))
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is a file management library for uploading and organizing files and images
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in Django's admin interface. The project's code is available under the
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[BSD 3-Clause "New" or "Revised" open source license](https://github.com/divio/django-filer/blob/develop/LICENSE.txt).
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[**django-filer / filer / migrations / 0003_thumbnailoption.py**](https://github.com/divio/django-filer/blob/develop/filer/migrations/0003_thumbnailoption.py)
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```python
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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~~from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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('filer', '0002_auto_20150606_2003'),
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]
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operations = [
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migrations.CreateModel(
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name='ThumbnailOption',
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fields=[
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~~ ('id', models.AutoField(verbose_name='ID',
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~~ serialize=False,
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~~ auto_created=True,
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~~ primary_key=True)),
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('name', models.CharField(max_length=100,
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verbose_name='name')),
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('width',
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models.IntegerField(help_text='width in pixel.',
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verbose_name='width')),
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('height',
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models.IntegerField(help_text='height in pixel.',
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verbose_name='height')),
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('crop',
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models.BooleanField(default=True,
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verbose_name='crop')),
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('upscale',
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models.BooleanField(default=True,
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verbose_name='upscale')),
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],
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options={
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'ordering': ('width', 'height'),
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'verbose_name': 'thumbnail option',
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'verbose_name_plural': 'thumbnail options',
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},
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),
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]
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```

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