What's New in Django 1.9

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What’s New in Django 1.9?

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Hi!

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Baptiste Mispelon

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Django 1.9

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Python Support

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pip install Django==1.9b1

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What’s new?

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Major New Features

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transaction.on_commit

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from django.db import transaction with transaction.atomic(): transaction.on_commit(send_email) do_some_database_stuff()

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AUTH_PASSWORD_VALIDATORS

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from django.contrib.auth.password_validation import ( UserAttributeSimilarityValidator, MinimumLengthValidator, CommonPasswordValidator, NumericPasswordValidator, )

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contrib.auth.mixins

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from django.contrib.auth.mixins import ( AccessMixin, LoginRequiredMixin, PermissionRequiredMixin, UserPassesTestMixin, )

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New Admin Theme

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New Admin Theme

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Can’t Upgrade Yet? pip install django-flat-theme

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./manage.py test --parallel

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Random Minor Features

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contrib.postgres.JSONField

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from django.contrib.postgres.fields import JSONField from django.db import models class Dog(models.Model): name = models.CharField(max_length=200) data = JSONField()

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Dog.objects.create(name='Rufus', data={ 'breed': 'labrador', 'owner': {'name': 'Bob'}, })

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Dog.objects.filter( data__breed='collie' )

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Dog.objects.filter( data__owner__name='Bob' )

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db.backends.postgresql

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DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), } }

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DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), } }

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Which One?

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Which One?

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CharField.strip

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from django import forms class NameForm(forms.Form): name = forms.CharField()

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f = NameForm({ ‘name’: ‘ Baptiste ‘, })

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f = NameForm({ ‘name’: ‘ Baptiste ‘, })

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>>> f.is_valid() True >>> f.cleaned_data[‘name’] ‘Baptiste’

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Field.disabled

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from django import forms class PersonForm(forms.Form): name = forms.CharField() age = forms.IntegerField(disabled=True)

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f = PersonForm( initial={‘age’: 30}, data={‘name’: ‘Baptiste’, ‘age’: 12}, )

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>>> f.is_valid() True >>> f.cleaned_data[‘age’] 30

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./manage.py sendtestemail

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./manage.py dumpdata --output

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python -m django

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django-admin.py startproject foo python -m django startproject foo

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--no-input

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filter(pub_date__month__gt=6)

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from django.db import models class Post(models.Model): title = models.CharField(max_length=100) pub_date = models.DateTimeField()

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Post.objects.filter(pub_date__lt=timezone.now()) Post.objects.filter(pub_date__year=2015) Post.objects.filter(pub_date__year__lte=2014)