Mass Update

Update one or more fields of the selected queryset to a common value and/or apply a transform_operations_ to selected field.

validate	use obj.save() instead of obj._default_manager.update. Slower but required in some cases (To run some business logic in save() and clean(). Manadatory if use :ref:transform_operations
unique_transaction	.. versionadded:: 0.0.4

validate use obj.save() instead of obj._default_manager.update. Slower but required in some cases (To run some business logic in save() and clean(). Manadatory if use :ref:transform_operations

Screenshot

Ignore Fields

1.9

It is possible to prevent some fields to be displayed to avoid changes. To filter out some fields you need to set UPDATE_ACTION_IGNORED_FIELDS settings parameter as follow::

UPDATE_ACTION_IGNORED_FIELDS = {
    'app_name': {
            'user': ['is_staff', 'is_superuser'],
    },
}

Transform Operation

0.0.4

Is possible to update fields applying function. |app| comes with a predefined set of functions. You can anyway register your own functions <register_transform_function>

common to all models

set	set the value
set null	set the value to null (only available if the field has null=True

CharField

---------=  ------------------------------------==
upper       convert to uppercase
lower       convert to lowercase
capitalize  capitalize first character
capwords    capitalize each word
swapcase    swap the case
trim        remove leading and trailing whitespace
---------=  ------------------------------------==

IntegerField

---------==  ------------------------------------------------------------------=
add          add the value passed as arg to the current value of the field
sub          subtract the value passed as arg to the current value of the field
add_percent  add the `X` percent to the current value
sub_percent  subtract the `X` percent from the current value
---------==  ------------------------------------------------------------------=

BooleanField

---------=  ---------------------------------
swap        invert (negate) the current value
---------=  ---------------------------------

NullBooleanField

---------=  ---------------------------------
swap        invert (negate) the current value
---------=  ---------------------------------

EmailField`

------------=  ------------------------------------==
change domain  set the domain (@?????) to common value
------------=  ------------------------------------==

URLField`

------------=  ------------------------------------------
change domain  set the protocol (????://) to common value
------------=  ------------------------------------------