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2026-02-26Fixed #36750 -- Made ordering of M2M objects deterministic in serializers.VIZZARD-X
Co-authored-by: Simon Charette <charette.s@gmail.com> Co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com>
2025-12-03Fixed #35729 -- Enabled natural key serialization opt-out for subclasses.rimi0108
Refactored serialization logic to allow models inheriting a natural_key() method (e.g. AbstractBaseUser) to explicitly opt out of natural key serialization by returning an empty tuple from the method. Thanks Jonas Dittrich for the report. Co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com>
2025-07-23Refs #36500 -- Rewrapped long docstrings and block comments via a script.django-bot
Rewrapped long docstrings and block comments to 79 characters + newline using script from https://github.com/medmunds/autofix-w505.
2024-12-18Fixed #35996 -- Fixed database serialization crash when serializing a ↵Erica Pisani
many-to-many field that had a prefetch.
2024-11-29Fixed #373 -- Added CompositePrimaryKey.Bendeguz Csirmaz
Thanks Lily Foote and Simon Charette for reviews and mentoring this Google Summer of Code 2024 project. Co-authored-by: Simon Charette <charette.s@gmail.com> Co-authored-by: Lily Foote <code@lilyf.org>
2024-09-17Fixed #29522 -- Refactored the Deserializer functions to classes.Amir Karimi
Co-authored-by: Emad Mokhtar <emad.mokhtar@veneficus.nl>
2023-08-19Fixed #34779 -- Avoided unnecessary selection of non-nullable m2m fields ↵Juan Alvarez
without natural keys during serialization. By using `select_related(None)` instead of `select_related()`, the unnecessary joins are completely avoided. Note that the current tests already covers the change, when the field is not `null=True`. Regression in f9936deed1ff13b20e18bd9ca2b0750b52706b6c.
2023-06-04Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys ↵Mariusz Felisiak
when base querysets use select_related(). Regression in 19e0587ee596debf77540d6a08ccb6507e60b6a7. Thanks Martin Svoboda for the report.
2023-02-01Refs #33476 -- Applied Black's 2023 stable style.David Smith
Black 23.1.0 is released which, as the first release of the year, introduces the 2023 stable style. This incorporates most of last year's preview style. https://github.com/psf/black/releases/tag/23.1.0
2022-09-05Fixed #33937 -- Optimized serialization of related m2m fields without ↵Mark Evans
natural keys.
2022-02-07Refs #33476 -- Reformatted code with Black.django-bot
2020-05-25Fixed #29078 -- Made serializers respect prefetch_related() for m2m fields.Claude Paroz
2019-02-06Fixed #30159 -- Removed unneeded use of OrderedDict.Nick Pope
Dicts preserve order since Python 3.6.
2018-07-13Fixed #26291 -- Allowed loaddata to handle forward references in natural_key ↵Peter Inglesby
fixtures.
2018-03-20Extracted deserialize fk/m2m functions from Deserializer.Peter Inglesby
In preparation for handling forward references (refs #26291).
2017-06-05Refs #27795 -- Removed force_text() usage in serialization frameworkClaude Paroz
2017-04-27Refs #23919 -- Removed force_text() in Python deserializer needed only on ↵Claude Paroz
Python 2
2017-02-21Refs #27656 -- Updated django.core docstring verbs according to PEP 257.Anton Samarchyan
2017-02-01Refs #23919 -- Replaced kwargs.pop() with keyword-only arguments.Vytis Banaitis
2017-01-18Refs #23919 -- Removed most of remaining six usageClaude Paroz
Thanks Tim Graham for the review.
2017-01-18Refs #23919 -- Removed six.<various>_types usageClaude Paroz
Thanks Tim Graham and Simon Charette for the reviews.
2017-01-18Refs #23919 -- Removed encoding preambles and future importsClaude Paroz
2016-04-29Fixed #26207 -- Replaced dynamic classes with non-data descriptors for ↵Anssi Kääriäinen
deferred instance loading.
2016-04-08Fixed E128 flake8 warnings in django/.Tim Graham
2016-01-25Fixed #26125 -- Fixed E731 flake warnings.userimack
2015-10-23Cached model field_names in Python Deserializer.Andrey Kuzmin
2015-09-12Fixed #23395 -- Limited line lengths to 119 characters.Dražen Odobašić
2015-07-14Fixed #24716 -- Deprecated Field._get_val_from_obj()Thomas Stephenson
The method duplicates the functionality of Field.value_from_object() and has the additional downside of being a privately named public API method.
2015-07-02Fixed #25050 -- Allowed serialization of models with deferred fields.Grégoire ROCHER
2015-04-09Fixed #19820 -- Added more helpful error messages to Python deserializer.Richard Eames
2015-04-02Fixed #24558 -- Made dumpdata mapping ordering deterministic.Simon Charette
Thanks to gfairchild for the report and Claude for the review.
2015-03-25Renamed Field.rel attribute to remote_fieldAnssi Kääriäinen
Field.rel is now deprecated. Rel objects have now also remote_field attribute. This means that self == self.remote_field.remote_field. In addition, made the Rel objects a bit more like Field objects. Still, marked ManyToManyFields as null=True.
2015-02-13Fixed #24320 - Used field.value_to_string() in serialization of foreign key.Andriy Sokolovskiy
This fixes serialization of a ForeignKey to a UUIDField as the test indicates.
2015-02-06Sorted imports with isort; refs #23860.Tim Graham
2015-01-06Fixed #12663 -- Formalized the Model._meta API for retrieving fields.Daniel Pyrathon
Thanks to Russell Keith-Magee for mentoring this Google Summer of Code 2014 project and everyone else who helped with the patch!
2014-12-23Fixed #17946 -- Fixed deserialization of self-referencing M2M fieldsClaude Paroz
Thanks Philip Mountifield for the report and excellent analysis, and Simon Charette for the review.
2014-09-05Limited lines to 119 characters in django/Tim Graham
refs #23395.
2014-05-18Removed some unnecessary exception naming; thanks claudep.Tim Graham
2014-05-18Fixed #21799 - Modified loaddata --ignorenonexistent to ignore models.Esau Rodriguez
2014-01-26Took advantage of the new get_model API. Refs #21702.Aymeric Augustin
2013-12-30Stopped populating the app registry as a side effect.Aymeric Augustin
Since it triggers imports, it shouldn't be done lightly. This commit adds a public API for doing it explicitly, django.setup(), and does it automatically when using manage.py and wsgi.py.
2013-12-28Changed get_model to raise an exception on errors.Aymeric Augustin
Returning None on errors required unpythonic error checking and was inconsistent with get_app_config. get_model was a private API until the previous commit, but given that it was certainly used in third party software, the change is explained in the release notes. Applied the same change to get_registered_model, which is a new private API introduced during the recent refactoring.
2013-12-24Renamed AppCache to Apps.Aymeric Augustin
Also renamed app_cache to apps and "app cache" to "app registry". Deprecated AppCache.app_cache_ready() in favor of Apps.ready().
2013-12-22Moved apps back in the toplevel django namespace.Aymeric Augustin
Reverted 4a56a93cc458e9ab4dcab95d9f5067d4975dd1a2.
2013-12-22Terminated AppCache._populate() with extreme prejudice.Aymeric Augustin
It was called _populate() before I renamed it to populate(). Since it has been superseded by populate_models() there's no reason to keep it. Removed the can_postpone argument of load_app() as it was only used by populate(). It's a private API and there's no replacement. Simplified load_app() accordingly. Then new version behaves exactly like the old one even though it's much shorter.
2013-12-17Moved the new app cache inside core.Aymeric Augustin
2013-12-17Removed the _-prefix for populate().Aymeric Augustin
Several parts of Django call get_apps() with a comment along this lines of "this has the side effect of calling _populate()". I fail to see how this is better than just calling populate()!
2013-12-17Removed module-level functions for the app cache.Aymeric Augustin
Since the original ones in django.db.models.loading were kept only for backwards compatibility, there's no need to recreate them. However, many internals of Django still relied on them. They were also imported in django.db.models. They never appear in the documentation, except a quick mention of get_models and get_app in the 1.2 release notes to document an edge case in GIS. I don't think that makes them a public API. This commit doesn't change the overall amount of global state but clarifies that it's tied to the app_cache object instead of hiding it behind half a dozen functions.
2013-11-02More attacking E302 violatorsAlex Gaynor
2013-10-11Fixed #13252 -- Added ability to serialize with natural primary keys.Tai Lee
Added ``--natural-foreign`` and ``--natural-primary`` options and deprecated the ``--natural`` option to the ``dumpdata`` management command. Added ``use_natural_foreign_keys`` and ``use_natural_primary_keys`` arguments and deprecated the ``use_natural_keys`` argument to ``django.core.serializers.Serializer.serialize()``. Thanks SmileyChris for the suggestion.
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