diff --git a/docs/ref/exceptions.txt b/docs/ref/exceptions.txt index 61f5e7fb7a..46a0c81c22 100644 --- a/docs/ref/exceptions.txt +++ b/docs/ref/exceptions.txt @@ -12,25 +12,17 @@ Django Core Exceptions Django core exception classes are defined in ``django.core.exceptions``. -``ObjectDoesNotExist`` and ``DoesNotExist`` -------------------------------------------- - -.. exception:: DoesNotExist - - The ``DoesNotExist`` exception is raised when an object is not found for - the given parameters of a query. Django provides a ``DoesNotExist`` - exception as an attribute of each model class to identify the class of - object that could not be found and to allow you to catch a particular model - class with ``try/except``. +``ObjectDoesNotExist`` +---------------------- .. exception:: ObjectDoesNotExist - The base class for ``DoesNotExist`` exceptions; a ``try/except`` for - ``ObjectDoesNotExist`` will catch ``DoesNotExist`` exceptions for all - models. + The base class for :exc:`~django.db.models.Model.DoesNotExist` exceptions; + a ``try/except`` for ``ObjectDoesNotExist`` will catch + :exc:`~django.db.models.Model.DoesNotExist` exceptions for all models. See :meth:`~django.db.models.query.QuerySet.get()` for further information - on :exc:`ObjectDoesNotExist` and :exc:`DoesNotExist`. + on :exc:`ObjectDoesNotExist` and :exc:`~django.db.models.Model.DoesNotExist`. ``FieldDoesNotExist`` --------------------- diff --git a/docs/ref/models/instances.txt b/docs/ref/models/instances.txt index 162384c3c7..02903668d1 100644 --- a/docs/ref/models/instances.txt +++ b/docs/ref/models/instances.txt @@ -824,7 +824,7 @@ For every :class:`~django.db.models.DateField` and `, the object will have ``get_next_by_FOO()`` and ``get_previous_by_FOO()`` methods, where ``FOO`` is the name of the field. This returns the next and previous object with respect to the date field, raising -a :exc:`~django.core.exceptions.DoesNotExist` exception when appropriate. +a :exc:`~django.db.models.Model.DoesNotExist` exception when appropriate. Both of these methods will perform their queries using the default manager for the model. If you need to emulate filtering used by a @@ -835,3 +835,20 @@ format described in :ref:`Field lookups `. Note that in the case of identical date values, these methods will use the primary key as a tie-breaker. This guarantees that no records are skipped or duplicated. That also means you cannot use those methods on unsaved objects. + +Other attributes +================ + +``DoesNotExist`` +---------------- + +.. exception:: Model.DoesNotExist + + This exception is raised by the ORM in a couple places, for example by + :meth:`QuerySet.get() ` when an object + is not found for the given query parameters. + + Django provides a ``DoesNotExist`` exception as an attribute of each model + class to identify the class of object that could not be found and to allow + you to catch a particular model class with ``try/except``. The exception is + a subclass of :exc:`django.core.exceptions.ObjectDoesNotExist`. diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt index d2cbc63203..510fbcbbb8 100644 --- a/docs/ref/models/querysets.txt +++ b/docs/ref/models/querysets.txt @@ -1543,15 +1543,15 @@ than one object was found. The :exc:`~django.core.exceptions.MultipleObjectsReturned` exception is an attribute of the model class. -``get()`` raises a :exc:`~django.core.exceptions.DoesNotExist` exception if an -object wasn't found for the given parameters. This exception is also an -attribute of the model class. Example:: +``get()`` raises a :exc:`~django.db.models.Model.DoesNotExist` exception if an +object wasn't found for the given parameters. This exception is an attribute +of the model class. Example:: Entry.objects.get(id='foo') # raises Entry.DoesNotExist -The :exc:`~django.core.exceptions.DoesNotExist` exception inherits from +The :exc:`~django.db.models.Model.DoesNotExist` exception inherits from :exc:`django.core.exceptions.ObjectDoesNotExist`, so you can target multiple -:exc:`~django.core.exceptions.DoesNotExist` exceptions. Example:: +:exc:`~django.db.models.Model.DoesNotExist` exceptions. Example:: from django.core.exceptions import ObjectDoesNotExist try: @@ -1868,7 +1868,7 @@ If your model's :ref:`Meta ` specifies field specified in :attr:`~django.db.models.Options.get_latest_by` by default. Like :meth:`get()`, ``earliest()`` and ``latest()`` raise -:exc:`~django.core.exceptions.DoesNotExist` if there is no object with the +:exc:`~django.db.models.Model.DoesNotExist` if there is no object with the given parameters. Note that ``earliest()`` and ``latest()`` exist purely for convenience and diff --git a/docs/releases/1.5.txt b/docs/releases/1.5.txt index 45198ce3b4..f6546acab1 100644 --- a/docs/releases/1.5.txt +++ b/docs/releases/1.5.txt @@ -712,7 +712,7 @@ Miscellaneous * Accessing reverse one-to-one relations fetched via :meth:`~django.db.models.query.QuerySet.select_related` now raises - :exc:`~django.core.exceptions.DoesNotExist` instead of returning ``None``. + :exc:`~django.db.models.Model.DoesNotExist` instead of returning ``None``. .. _deprecated-features-1.5: diff --git a/docs/releases/1.6.txt b/docs/releases/1.6.txt index 3e23c6965d..cc2e44f09c 100644 --- a/docs/releases/1.6.txt +++ b/docs/releases/1.6.txt @@ -315,7 +315,7 @@ Minor features a ``SuspiciousOperation`` reaches the WSGI handler to return an ``HttpResponseBadRequest``. -* The :exc:`~django.core.exceptions.DoesNotExist` exception now includes a +* The :exc:`~django.db.models.Model.DoesNotExist` exception now includes a message indicating the name of the attribute used for the lookup. * The :meth:`~django.db.models.query.QuerySet.get_or_create` method no longer diff --git a/docs/topics/http/shortcuts.txt b/docs/topics/http/shortcuts.txt index b2c5da3666..ae021a8513 100644 --- a/docs/topics/http/shortcuts.txt +++ b/docs/topics/http/shortcuts.txt @@ -279,7 +279,7 @@ will be returned:: Calls :meth:`~django.db.models.query.QuerySet.get()` on a given model manager, but it raises :class:`~django.http.Http404` instead of the model's - :class:`~django.core.exceptions.DoesNotExist` exception. + :class:`~django.db.models.Model.DoesNotExist` exception. Required arguments ------------------