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Edited stuff from [17543] to [17629]

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17630 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
2012-03-02 17:16:52 +00:00
parent 3ed0b6ed64
commit 2ade1e916f
16 changed files with 100 additions and 101 deletions

View File

@@ -1461,9 +1461,9 @@ The permission_required decorator
Limiting access to generic views
--------------------------------
Controlling access to a :doc:`class-based generic view </ref/class-based-views>`
is done by decorating the :meth:`View.dispatch <django.views.generic.base.View.dispatch>`
method on the class. See :ref:`decorating-class-based-views` for the details.
To limit access to a :doc:`class-based generic view </ref/class-based-views>`,
decorate the :meth:`View.dispatch <django.views.generic.base.View.dispatch>`
method on the class. See :ref:`decorating-class-based-views` for details.
Function-based generic views
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

View File

@@ -73,10 +73,10 @@ The :meth:`~django.db.models.Model.save` method has no return value.
.. seealso::
:meth:`~django.db.models.Model.save` takes a number of advanced options not
described here. See the documentation for
described here. See the documentation for
:meth:`~django.db.models.Model.save` for complete details.
To create an object and save it all in one step see the
To create and save an object in a single step, use the
:meth:`~django.db.models.query.QuerySet.create()` method.
Saving changes to objects
@@ -98,9 +98,9 @@ Saving ``ForeignKey`` and ``ManyToManyField`` fields
----------------------------------------------------
Updating a :class:`~django.db.models.ForeignKey` field works exactly the same
way as saving a normal field; simply assign an object of the right type to the
field in question. This example updates the ``blog`` attribute of an ``Entry``
instance ``entry``::
way as saving a normal field -- simply assign an object of the right type to
the field in question. This example updates the ``blog`` attribute of an
``Entry`` instance ``entry``::
>>> from blog.models import Entry
>>> entry = Entry.objects.get(pk=1)
@@ -109,7 +109,7 @@ instance ``entry``::
>>> entry.save()
Updating a :class:`~django.db.models.ManyToManyField` works a little
differently; use the
differently -- use the
:meth:`~django.db.models.fields.related.RelatedManager.add` method on the field
to add a record to the relation. This example adds the ``Author`` instance
``joe`` to the ``entry`` object::
@@ -133,7 +133,7 @@ Django will complain if you try to assign or add an object of the wrong type.
Retrieving objects
==================
To retrieve objects from your database, you construct a
To retrieve objects from your database, construct a
:class:`~django.db.models.query.QuerySet` via a
:class:`~django.db.models.Manager` on your model class.
@@ -164,14 +164,14 @@ default. Access it directly via the model class, like so::
The :class:`~django.db.models.Manager` is the main source of ``QuerySets`` for
a model. It acts as a "root" :class:`~django.db.models.query.QuerySet` that
describes all objects in the model's database table. For example,
describes all objects in the model's database table. For example,
``Blog.objects`` is the initial :class:`~django.db.models.query.QuerySet` that
contains all ``Blog`` objects in the database.
Retrieving all objects
----------------------
The simplest way to retrieve objects from a table is to get all of them. To do
The simplest way to retrieve objects from a table is to get all of them. To do
this, use the :meth:`~django.db.models.query.QuerySet.all` method on a
:class:`~django.db.models.Manager`::
@@ -551,7 +551,7 @@ entry that contains a tag with a name of *"music"* and a status of *"public"*.
To handle both of these situations, Django has a consistent way of processing
:meth:`~django.db.models.query.QuerySet.filter` and
:meth:`~django.db.models.query.QuerySet.exclude` calls. Everything inside a
:meth:`~django.db.models.query.QuerySet.exclude` calls. Everything inside a
single :meth:`~django.db.models.query.QuerySet.filter` call is applied
simultaneously to filter out items matching all those requirements. Successive
:meth:`~django.db.models.query.QuerySet.filter` calls further restrict the set
@@ -634,7 +634,7 @@ issue the query::
.. versionadded:: 1.3
For date and date/time fields, you can add or subtract a
:class:`~datetime.timedelta` object. The following would return all entries
:class:`~datetime.timedelta` object. The following would return all entries
that were modified more than 3 days after they were published::
>>> from datetime import timedelta
@@ -942,7 +942,7 @@ a :class:`~django.db.models.query.QuerySet`. You can do this with the
You can only set non-relation fields and :class:`~django.db.models.ForeignKey`
fields using this method. To update a non-relation field, provide the new value
as a constant. To update :class:`~django.db.models.ForeignKey` fields, set the
as a constant. To update :class:`~django.db.models.ForeignKey` fields, set the
new value to be the new model instance you want to point to. For example::
>>> b = Blog.objects.get(pk=1)
@@ -969,7 +969,7 @@ statement. It is a bulk operation for direct updates. It doesn't run any
:meth:`~django.db.models.Model.save`). If you want to save every item in a
:class:`~django.db.models.query.QuerySet` and make sure that the
:meth:`~django.db.models.Model.save` method is called on each instance, you
don't need any special function to handle that. Just loop over them and call
don't need any special function to handle that. Just loop over them and call
:meth:`~django.db.models.Model.save`::
for item in my_queryset:
@@ -1035,7 +1035,7 @@ Example::
You can get and set via a foreign-key attribute. As you may expect, changes to
the foreign key aren't saved to the database until you call
:meth:`~django.db.models.Model.save`. Example::
:meth:`~django.db.models.Model.save`. Example::
>>> e = Entry.objects.get(id=2)
>>> e.blog = some_blog

View File

@@ -1477,13 +1477,13 @@ decorate the class::
.. note::
When overriding settings make sure to also handle the cases in which your
app's code uses a cache or similar feature that retains state even if the
When overriding settings, make sure to handle the cases in which your app's
code uses a cache or similar feature that retains state even if the
setting is changed. Django provides the
:data:`django.test.signals.setting_changed` signal to connect cleanup and
other state-resetting callbacks to. Note that this signal isn't currently
used by Django itself, so changing built-in settings may not yield the
results you expect.
:data:`django.test.signals.setting_changed` signal that lets you register
callbacks to clean up and otherwise reset state when settings are changed.
Note that this signal isn't currently used by Django itself, so changing
built-in settings may not yield the results you expect.
Emptying the test outbox
~~~~~~~~~~~~~~~~~~~~~~~~