mirror of https://github.com/django/django.git
Fixed #15207 -- Added versionadded directives for the "using" argument sent by signals, and cleaned up some incidental indentation/formatting inconsistencies. Thanks to Keryn Knight for the report.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@15443 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Gabriel Hurley
parent
f6e38f3800
commit
608877c066
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@ -51,16 +51,16 @@ of the model's :meth:`~django.db.models.Model.__init__` method.
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Arguments sent with this signal:
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``sender``
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The model class that just had an instance created.
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``sender``
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The model class that just had an instance created.
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``args``
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A list of positional arguments passed to
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:meth:`~django.db.models.Model.__init__`:
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``args``
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A list of positional arguments passed to
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:meth:`~django.db.models.Model.__init__`:
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``kwargs``
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A dictionary of keyword arguments passed to
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:meth:`~django.db.models.Model.__init__`:.
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``kwargs``
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A dictionary of keyword arguments passed to
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:meth:`~django.db.models.Model.__init__`:.
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For example, the :doc:`tutorial </intro/tutorial01>` has this line:
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@ -91,11 +91,11 @@ Like pre_init, but this one is sent when the :meth:`~django.db.models.Model.__in
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Arguments sent with this signal:
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``sender``
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As above: the model class that just had an instance created.
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``sender``
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As above: the model class that just had an instance created.
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``instance``
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The actual instance of the model that's just been created.
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``instance``
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The actual instance of the model that's just been created.
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pre_save
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--------
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@ -108,14 +108,16 @@ method.
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Arguments sent with this signal:
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``sender``
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The model class.
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``sender``
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The model class.
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``instance``
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The actual instance being saved.
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``instance``
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The actual instance being saved.
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``using``
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The database alias being used.
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.. versionadded:: 1.3
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``using``
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The database alias being used.
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post_save
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---------
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@ -128,17 +130,19 @@ Like :data:`pre_save`, but sent at the end of the
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Arguments sent with this signal:
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``sender``
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The model class.
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``sender``
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The model class.
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``instance``
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The actual instance being saved.
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``instance``
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The actual instance being saved.
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``created``
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A boolean; ``True`` if a new record was created.
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``created``
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A boolean; ``True`` if a new record was created.
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``using``
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The database alias being used.
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.. versionadded:: 1.3
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``using``
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The database alias being used.
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pre_delete
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----------
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@ -151,14 +155,16 @@ method.
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Arguments sent with this signal:
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``sender``
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The model class.
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``sender``
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The model class.
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``instance``
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The actual instance being deleted.
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``instance``
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The actual instance being deleted.
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``using``
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The database alias being used.
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.. versionadded:: 1.3
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``using``
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The database alias being used.
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post_delete
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-----------
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@ -171,17 +177,19 @@ Like :data:`pre_delete`, but sent at the end of the
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Arguments sent with this signal:
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``sender``
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The model class.
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``sender``
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The model class.
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``instance``
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The actual instance being deleted.
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``instance``
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The actual instance being deleted.
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Note that the object will no longer be in the database, so be very
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careful what you do with this instance.
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Note that the object will no longer be in the database, so be very
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careful what you do with this instance.
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``using``
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The database alias being used.
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.. versionadded:: 1.3
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``using``
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The database alias being used.
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m2m_changed
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-----------
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@ -199,51 +207,53 @@ when it comes to tracking changes to models, it is included here.
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Arguments sent with this signal:
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``sender``
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The intermediate model class describing the :class:`ManyToManyField`.
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This class is automatically created when a many-to-many field is
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defined; you can access it using the ``through`` attribute on the
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many-to-many field.
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``sender``
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The intermediate model class describing the :class:`ManyToManyField`.
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This class is automatically created when a many-to-many field is
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defined; you can access it using the ``through`` attribute on the
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many-to-many field.
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``instance``
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The instance whose many-to-many relation is updated. This can be an
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instance of the ``sender``, or of the class the :class:`ManyToManyField`
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is related to.
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``instance``
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The instance whose many-to-many relation is updated. This can be an
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instance of the ``sender``, or of the class the :class:`ManyToManyField`
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is related to.
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``action``
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A string indicating the type of update that is done on the relation.
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This can be one of the following:
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``action``
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A string indicating the type of update that is done on the relation.
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This can be one of the following:
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``"pre_add"``
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Sent *before* one or more objects are added to the relation
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``"post_add"``
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Sent *after* one or more objects are added to the relation
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``"pre_remove"``
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Sent *after* one or more objects are removed from the relation
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``"post_remove"``
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Sent *after* one or more objects are removed from the relation
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``"pre_clear"``
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Sent *before* the relation is cleared
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``"post_clear"``
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Sent *after* the relation is cleared
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``"pre_add"``
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Sent *before* one or more objects are added to the relation
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``"post_add"``
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Sent *after* one or more objects are added to the relation
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``"pre_remove"``
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Sent *after* one or more objects are removed from the relation
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``"post_remove"``
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Sent *after* one or more objects are removed from the relation
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``"pre_clear"``
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Sent *before* the relation is cleared
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``"post_clear"``
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Sent *after* the relation is cleared
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``reverse``
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Indicates which side of the relation is updated (i.e., if it is the
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forward or reverse relation that is being modified).
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``reverse``
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Indicates which side of the relation is updated (i.e., if it is the
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forward or reverse relation that is being modified).
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``model``
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The class of the objects that are added to, removed from or cleared
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from the relation.
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``model``
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The class of the objects that are added to, removed from or cleared
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from the relation.
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``pk_set``
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For the ``pre_add``, ``post_add``, ``pre_remove`` and ``post_remove``
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actions, this is a list of primary key values that have been added to
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or removed from the relation.
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``pk_set``
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For the ``pre_add``, ``post_add``, ``pre_remove`` and ``post_remove``
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actions, this is a list of primary key values that have been added to
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or removed from the relation.
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For the ``pre_clear`` and ``post_clear`` actions, this is ``None``.
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For the ``pre_clear`` and ``post_clear`` actions, this is ``None``.
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``using``
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The database alias being used.
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.. versionadded:: 1.3
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``using``
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The database alias being used.
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For example, if a ``Pizza`` can have multiple ``Topping`` objects, modeled
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like this:
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@ -351,32 +361,32 @@ handlers are registered anywhere else they may not be loaded by
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Arguments sent with this signal:
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``sender``
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The ``models`` module that was just installed. That is, if
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:djadmin:`syncdb` just installed an app called ``"foo.bar.myapp"``,
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``sender`` will be the ``foo.bar.myapp.models`` module.
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``sender``
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The ``models`` module that was just installed. That is, if
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:djadmin:`syncdb` just installed an app called ``"foo.bar.myapp"``,
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``sender`` will be the ``foo.bar.myapp.models`` module.
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``app``
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Same as ``sender``.
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``app``
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Same as ``sender``.
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``created_models``
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A list of the model classes from any app which :djadmin:`syncdb` has
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created so far.
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``created_models``
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A list of the model classes from any app which :djadmin:`syncdb` has
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created so far.
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``verbosity``
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Indicates how much information manage.py is printing on screen. See
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the :djadminopt:`--verbosity` flag for details.
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``verbosity``
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Indicates how much information manage.py is printing on screen. See
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the :djadminopt:`--verbosity` flag for details.
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Functions which listen for :data:`post_syncdb` should adjust what they
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output to the screen based on the value of this argument.
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Functions which listen for :data:`post_syncdb` should adjust what they
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output to the screen based on the value of this argument.
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``interactive``
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If ``interactive`` is ``True``, it's safe to prompt the user to input
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things on the command line. If ``interactive`` is ``False``, functions
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which listen for this signal should not try to prompt for anything.
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``interactive``
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If ``interactive`` is ``True``, it's safe to prompt the user to input
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things on the command line. If ``interactive`` is ``False``, functions
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which listen for this signal should not try to prompt for anything.
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For example, the :mod:`django.contrib.auth` app only prompts to create a
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superuser when ``interactive`` is ``True``.
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For example, the :mod:`django.contrib.auth` app only prompts to create a
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superuser when ``interactive`` is ``True``.
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For example, yourapp/signals/__init__.py could be written like::
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@ -407,10 +417,10 @@ Sent when Django begins processing an HTTP request.
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Arguments sent with this signal:
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``sender``
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The handler class -- e.g.
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:class:`django.core.handlers.wsgi.WsgiHandler` -- that handled
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the request.
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``sender``
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The handler class -- e.g.
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:class:`django.core.handlers.wsgi.WsgiHandler` -- that handled
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the request.
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request_finished
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----------------
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@ -422,8 +432,8 @@ Sent when Django finishes processing an HTTP request.
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Arguments sent with this signal:
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``sender``
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The handler class, as above.
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``sender``
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The handler class, as above.
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got_request_exception
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---------------------
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@ -435,11 +445,11 @@ This signal is sent whenever Django encounters an exception while processing an
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Arguments sent with this signal:
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``sender``
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The handler class, as above.
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``sender``
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The handler class, as above.
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``request``
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The :class:`~django.http.HttpRequest` object.
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``request``
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The :class:`~django.http.HttpRequest` object.
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Test signals
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============
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@ -460,15 +470,15 @@ normal operation of a Django server -- it is only available during testing.
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Arguments sent with this signal:
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sender
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The :class:`~django.template.Template` object which was rendered.
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``sender``
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The :class:`~django.template.Template` object which was rendered.
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template
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Same as sender
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``template``
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Same as sender
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context
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The :class:`~django.template.Context` with which the template was
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rendered.
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``context``
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The :class:`~django.template.Context` with which the template was
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rendered.
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Database Wrappers
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=================
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@ -494,12 +504,12 @@ connection commands to the SQL backend.
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Arguments sent with this signal:
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sender
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The database wrapper class -- i.e.
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:class:`django.db.backends.postgresql_psycopg2.DatabaseWrapper` or
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:class:`django.db.backends.mysql.DatabaseWrapper`, etc.
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``sender``
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The database wrapper class -- i.e.
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:class:`django.db.backends.postgresql_psycopg2.DatabaseWrapper` or
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:class:`django.db.backends.mysql.DatabaseWrapper`, etc.
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connection
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The database connection that was opened. This can be used in a
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multiple-database configuration to differentiate connection signals
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from different databases.
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``connection``
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The database connection that was opened. This can be used in a
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multiple-database configuration to differentiate connection signals
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from different databases.
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