Upgrading Django

Why and how to stay current with Django releases

Transcript

1. Upgrading
2. 8IZ
3. security
4. security stability
5. security stability performance
6. security stability performance happiness
7. old django makes developer panda sad http://ra3ndy.deviantart.com/art/Sad-Panda-69204875
8. Public APIs won't change. API stability EVER.
9. Public APIs won't change... API stability ...without good reason
10. Public APIs won't change... API stability ...without good reason ...without a deprecation path
11. PendingDeprecationWarning Deprecation Path DeprecationWarning Removed
12. protip python -Wd
13. )PX
14. have tests
15. have tests read release notes
16. have tests read release notes incremental upgrades
17. have tests read release notes incremental upgrades refactor deprecated code
18. 
19. what's new in 1.5 Configurable User model Model.save(update_fields) StreamingHttpResponse {% verbatim %} True, False, None localtime() DEBUG logging index_together ...and much more
20. Be the User model you want to see in the world. – David Gouldin
22. what's new in 1.5 Configurable User model Model.save(update_fields) StreamingHttpResponse {% verbatim %} True, False, None localtime() DEBUG logging index_together ...and much more
23. what's changed in 1.5 Form.cleaned_data Session not saved on HTTP 500 Server Error YearArchiveView and {{ year }} TemplateView and {{ params }} request.POST and non-form data PostgreSQL autocommit fixed Test Client behavior TransactionTestCase behavior
24. what's gone in 1.5 {% load url from future %} {% admin_media_prefix %} Procedural generic views URLField.verify_exists CACHE_BACKEND mod_python request handler Test Client's response.template AdminMediaHandler replaced by StaticFilesHandler manage.py reset and manage.py sqlreset
25. what's going away in 1.7 django.contrib.localflavor (actually going away in 1.6) django.contrib.markup django.utils.simplejson AUTH_PROFILE_MODULE Streaming with HttpResponse manage.py cleanup select_related(depth)
26. 
27. what's coming in 1.6 New default project/app template SQLite by default Database autocommit on by default New transaction management Persistent DB connections unittest2 test discovery QuerySet.earliest() HTML5 text input widgets ...and much more
28. what's changing in 1.6 Database autocommit and transaction management Test discovery QuerySet date handling BooleanField default reverse and urlquote() Password reset EmptyQuerySet() Cache timeout
29. what's gone in 1.6 django.contrib.databrowse django.contrib.localflavor django.contrib.markup django.conf.urls.defaults Pre-1.4 form wizard semantics Some cache_page() semantics truncate_words() / truncate_html_words() Old manage.py will no longer work HttpRequest.raw_post_data
30. what's going away in 1.8 django.contrib.comments django.db.transaction decorators / context managers PostgreSQL before 8.4 {% load cycle from future %} CACHE_MIDDLEWARE_ANONYMOUS_ONLY Model._meta.module_name Implicit ModelForm fields
31. n @claymcclure / daemons.net