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Changelog

Changes in 1.9.2 (2018-02-12)

  • Fixed Django 2.0 contribute_to_class() call signature.
  • Fixed "Save and add another" button redirect when using different admin sites.
  • Fixed import location of mark_safe().

Changes in 1.9.1 (2017-12-06)

  • Fixed HTML output in Django 2.0 for the the language_column and all_languages_column fields in the Django admin.

Changes in 1.9 (2017-12-04)

  • Added Django 2.0 support.
  • Fixed get_or_create() call when no defaults are given.

Changes in 1.8.1 (2017-11-20)

  • Fixed checkes for missing fallback languages (IsMissing sentinel value leaked through caching)
  • Fixed preserving the language tab in the admin.
  • Fixed get_or_create() call.

Changes in 1.8 (2017-06-20)

  • Dropped Django 1.5, 1.6 and Python 2.6 support.
  • Fixed Django 1.10 / 1.11 support:
    • Fix .language('xx').get() usage.
    • Fix models construction via Model(**kwargs).
    • Fix test warnings due to tests corrupting the app registry.
  • Fix support for ModelFormMixin.fields in TranslatableUpdateView. Django allows that attribute as alternative to setting a form_class manually.

Changes in 1.7 (2016-11-29)

  • Added delete_translation() API.
  • Added PARLER_DEFAULT_ACTIVATE setting, which allows to display translated texts in the default language even through translation.activate() is not called yet.
  • Improve language code validation in forms, allows to enter a language variant.
  • Fixed not creating translations when default values were filled in.
  • Fixed breadcrumb errors in delete translation view when using django-polymorphic-tree.

Changes in 1.6.5 (2016-07-11)

  • Fix get_translated_url() when Django uses bytestrings for QUERY_STRING.
  • Raise ValidError when a TranslatableForm is initialized with a language code that is not available in LANGUAGES.

Backwards compatibility note: An ValueError is now raised when forms are initialized with an invalid languae code. If your project relied on invalid language settings, make sure that LANGAUGE_CODE and LANGUAGES are properly configured.

Rationale: Since the security fix in v1.6.3 (to call the clean() method of translated fields), invalid language codes are no longer accepted. The choice was either to passively warn and exclude the language from validation checks, or to raise an error beforehand that the form is used to initialize bad data. It's considered more important to avoid polluted database contents then preserving compatibility, hence this check remains as strict.

Changes in 1.6.4 (2016-06-14)

  • Fix calling clean() on fields that are not part of the form.
  • Fix tab appearance for Django 1.9 and flat theme.
  • Fix issues with __proxy__ field for template names
  • Fix attempting to save invalid None language when Django translations are not yet initialized.

Note: django-parler models now mandate that a language code is selected; either by calling model.set_current_language(), Model.objects.language() or activating a gettext environment. The latter always happens in a standard web request, but needs to happen explicitly in management commands. This avoids hard to debug situations where unwanted model changes happen on implicitly selected languages.

Changes in 1.6.3 (2016-05-05)

  • Security notice: Fixed calling clean() on the translations model.
  • Fixed error with M2M relations to the translated model.
  • Fixed UnicodeError in parler_tags
  • Show warning when translations are not initialized (when using management commands).

Changes in 1.6.2 (2016-03-08)

  • Added TranslatableModelMixin to handle complex model inheritance issues.
  • Fixed tuple/list issues with fallbacks option.
  • Fixed Python 3 __str__()` output for TranslatedFieldsModel.
  • Fixed output for get_language_title() when language is not configured.
  • Fixed preserving GET args in admin change form view.

Changes in version 1.6.1 (2016-02-11)

  • Fix queryset .dates() iteration in newer Django versions.
  • Fixed Django 1.10 deprecation warnings in the admin.
  • Avoided absolute URLs in language tabs.

Changes in version 1.6 (2015-12-29)

  • Added Django 1.9 support
  • Added support to generate PARLER_LANGUAGES from Django CMS' CMS_LANGUAGES.
  • Improve language variant support, e.g. fr-ca can fallback to fr, and de-ch can fallback to de.
  • Dropped support for Django 1.4

(also released as 1.6b1 on 2015-12-16)

Changes in version 1.5.1 (2015-10-01)

  • Fix handling for non-nullable ForeignKey in forms and admin.
  • Fix performance of the admin list when all_languages_column or language_column is added to list_display (N-query issue).
  • Fix support for other packages that replace the BoundField class in Form.__get_item__ (namely django-slug-preview).
  • Fix editing languages that exist in the database but are not enabled in project settings.
  • Fix DeprecationWarning for Django 1.8 in the admin.

Changes in version 1.5 (2015-06-30)

  • Added support for multiple fallback languages!
  • Added translatable-field CSS class to the <label> tags of translatable fields.
  • Added {{ field.is_translatable }} variable.
  • Added warning when saving a model without language code set. As of Django 1.8, get_language() returns None if no language is activated.
  • Allow safe_translation_getter(default=..) to be a callable.
  • Added all_languages_column, inspired by aldryn-translation-tools.
  • Changed styling of language_column, the items are now links to the language tabs.
  • Fix caching support, the default timeout was wrongly imported.
  • Fix Django 1.4 support for using request.resolver_match.
  • Fix admin delete translation view when using prefetch_related('translations') by default in the managers get_queryset() method.
  • Fix using prefetched translations in has_translation() too.
  • Return to change view after deleting a translation.

Changes in version 1.4 (2015-04-13)

  • Added Django 1.8 support
  • Fix caching when using redis-cache
  • Fix handling update_fields in save() (needed for combining parler with django-mptt 0.7)
  • Fix unwanted migration changes in Django 1.6/South for the internal HideChoicesCharField.
  • Fix overriding get_current_language() / get_form_language() in the TranslatableModelFormMixin/TranslatableCreateView/TranslatableUpdateView.

Changes in version 1.3 (2015-03-13)

  • Added support for MyModel.objects.language(..).create(..).
  • Detect when translatable fields are assigned too early.
  • Fix adding choices=LANGUAGES to all Django 1.7 migrations.
  • Fix missing 404 check in delete-translation view.
  • Fix caching for models that have a string value as primary key.
  • Fix support for a primary-key value of 0.
  • Fix get_form_class() override check for TranslatableModelFormMixin for Python 3.
  • Fix calling manager methods on related objects in Django 1.4/1.5.
  • Improve {% get_translated_url %}, using request.resolver_match value.
  • Fix preserving query-string in {% get_translated_url %}, unless an object is explicitly passed.
  • Fix supporting removed model fields in get_cached_translation().

Changes in version 1.2.1 (2014-10-31)

  • Fixed fetching correct translations when using prefetch_related().

Changes in version 1.2 (2014-10-30)

  • Added support for translations on multiple model inheritance levels.
  • Added TranslatableAdmin.get_translation_objects() API.
  • Added TranslatableModel.create_translation() API.
  • Added TranslatableModel.get_translation() API.
  • Added TranslatableModel.get_available_languages(include_unsaved=True) API.
  • NOTE: the TranslationDoesNotExist exception inherits from ObjectDoesNotExist now. Check your exception handlers when upgrading.

Changes in version 1.1.1 (2014-10-14)

  • Fix accessing fields using safe_translation_getter(any_language=True)
  • Fix "dictionary changed size during iteration" in save_translations() in Python 3.
  • Added default_permissions=() for translated models in Django 1.7.

Changes in version 1.1 (2014-09-29)

  • Added Django 1.7 compatibility.
  • Added SortedRelatedFieldListFilter for displaying translated models in the list_filter.
  • Added parler.widgets with SortedSelect and friends.
  • Fix caching translations in Django 1.6.
  • Fix checking unique_together on the translated model.
  • Fix access to TranslatableModelForm._current_language in early __init__() code.
  • Fix PARLER_LANGUAGES['default']['fallback'] being overwritten by PARLER_DEFAULT_LANGUAGE_CODE.
  • Optimized prefetch usage, improves loading of translated models.
  • BACKWARDS INCOMPATIBLE: The arguments of get_cached_translated_field() have changed ordering, field_name comes before language_code now.

Changes in version 1.0 (2014-07-07)

Released in 1.0b3:

  • Added TranslatableSlugMixin, to be used for detail views.
  • Fixed translated field names in admin list_display, added short_description to TranslatedFieldDescriptor
  • Fix internal server errors in {% get_translated_url %} for function-based views with class kwargs
  • Improved admin layout for save_on_top=True.

Released in 1.0b2:

  • Fixed missing app_label in cache key, fixes support for multiple models with the same name.
  • Fixed "dictionary changed size during iteration" in save_translations()

Released in 1.0b1:

  • Added get_translated_url template tag, to implement language switching easily. This also allows to implement hreflang support for search engines.
  • Added a ViewUrlMixin so views can tell the template what their exact canonical URL should be.
  • Added TranslatableCreateView and TranslatableUpdateView views, and associated mixins.
  • Fix missing "language" GET parmeter for Django 1.6 when filtering in the admin (due to the _changelist_filters parameter).
  • Support missing SITE_ID setting for Django 1.6.

Released in 1.0a1:

  • BACKWARDS INCOMPATIBLE: updated the model name of the dynamically generated translation models for django-hvad compatibility. This only affects your South migrations. Use manage.py schemamigration appname --empty "upgrade_to_django_parler10" to upgrade applications which use translations = TranslatedFields(..) in their models.
  • Added Python 3 compatibility!
  • Added support for .prefetch('translations').
  • Added automatic caching of translated objects, use PARLER_ENABLE_CACHING = False to disable.
  • Added inline tabs support (if the parent object is not translatable).
  • Allow .translated() and .active_translations() to filter on translated fields too.
  • Added language_code parameter to safe_translation_getter(), to fetch a single field in a different language.
  • Added switch_language() context manager.
  • Added get_fallback_language() to result of add_default_language_settings() function.
  • Added partial support for tabs on inlines when the parent object isn't a translated model.
  • Make settings.SITE_ID setting optional
  • Fix inefficient or unneeded queries, i.e. for new objects.
  • Fix supporting different database (using=) arguments.
  • Fix list language, always show translated values.
  • Fix is_supported_django_language() to support dashes too
  • Fix ignored Meta.fields declaration on forms to exclude all other fields.

Changes in version 0.9.4 (beta)

  • Added support for inlines!
  • Fix error in Django 1.4 with "Save and continue" button on add view.
  • Fix error in save_translations() when objects fetched fallback languages.
  • Add save_translation(translation) method, to easily hook into the translation.save() call.
  • Added support for empty translations = TranslatedFields() declaration.

Changes in version 0.9.3 (beta)

  • Support using TranslatedFieldsModel with abstract models.
  • Added parler.appsettings.add_default_language_settings() function.
  • Added TranslatableManager.queryset_class attribute to easily customize the queryset class.
  • Added TranslatableManager.translated() method to filter models with a specific translation.
  • Added TranslatableManager.active_translations() method to filter models which should be displayed.
  • Added TranslatableAdmin.get_form_language() to access the currently active language.
  • Added hide_untranslated option to the PARLER_LANGUAGES setting.
  • Added support for ModelAdmin.formfield_overrides.

Changes in version 0.9.2 (beta)

  • Added TranslatedField(any_language=True) option, which uses any language as fallback in case the currently active language is not available. This is ideally suited for object titles.
  • Improved TranslationDoesNotExist exception, now inherits from AttributeError. This missing translations fail silently in templates (e.g. admin list template)..
  • Added unittests
  • Fixed Django 1.4 compatibility
  • Fixed saving all translations, not only the active one.
  • Fix sending pre_translation_save signal.
  • Fix passing _current_language to the model __init__ function.

Changes in version 0.9.1 (beta)

  • Added signals to detect translation model init/save/delete operations.
  • Added default TranslatedFieldsModel verbose_name, to improve the delete view.
  • Allow using the TranslatableAdmin for non-TranslatableModel objects (operate as NO-OP).

Changes in version 0.9 (beta)

  • First version, based on intermediate work in django-fluent-pages. Integrating django-hvad turned out to be very complex, hence this app was developped instead.