def default_package(self):
packages = [pk for pk in self.packages() <EOL>if pk.get('<STR_LIT:default>') == '<STR_LIT:true>']<EOL>if packages:<EOL><INDENT>return packages[<NUM_LIT:0>]<EOL><DEDENT>else:<EOL><INDENT>return None<EOL><DEDENT>
::

    GET /:login/packages

:Returns: the default package for this datacenter
:rtype: :py:class:`dict` or ``None``

Requests all the packages in this datacenter, filters for the default, 
and returns the corresponding dict, if a default has been defined.