Fixed #22985 -- Made call_command accept option name parameter

Thanks giulettamasina for the report and Tim Graham for the review.

docs/ref/django-admin.txt

@@ -1824,10 +1824,27 @@ Examples::
       management.call_command('loaddata', 'test_data', verbosity=0)
 
 Note that command options that take no arguments are passed as keywords
-with ``True`` or ``False``::
+with ``True`` or ``False``, as you can see with the ``interactive`` option above.
 
+Named arguments can be passed by using either one of the following syntaxes::
+
+      # Similar to the command line
+      management.call_command('dumpdata', '--natural')
+
+      # Named argument similar to the command line minus the initial dashes and
+      # with internal dashes replaced by underscores
+      management.call_command('dumpdata', natural=True)
+
+      # `use_natural_keys` is the option destination variable
       management.call_command('dumpdata', use_natural_keys=True)
 
+.. versionchanged:: 1.8
+
+    The first syntax is now supported thanks to management commands using the
+    :py:mod:`argparse` module. For the second syntax, Django previously passed
+    the option name as-is to the command, now it is always using the ``dest``
+    variable name (which may or may not be the same as the option name).
+
 Command options which take multiple options are passed a list::
 
       management.call_command('dumpdata', exclude=['contenttypes', 'auth'])

docs/releases/1.8.txt

@@ -196,6 +196,13 @@ Management Commands
 
 * :djadmin:`inspectdb` now outputs ``Meta.unique_together``.
 
+* When calling management commands from code through :ref:`call_command
+  <call-command>` and passing options, the option name can match the command
+  line option name (without the initial dashes) or the final option destination
+  variable name, but in either case, the resulting option received by the
+  command is now always the ``dest`` name specified in the command option
+  definition (as long as the command uses the new :py:mod:`argparse` module).
+
 Models
 ^^^^^^