Wordpress2zinnia is package allowing you to migrate from WordPress to Zinnia.
Install the package on your system:
$ pip install wordpress2zinnia
Register the
'zinnia_wordpress'in yourINSTALLED_APPS.
Once you have the XML file of your export, you simply have to do this.
$ python manage.py wp2zinnia path/to/your/wordpress-export.xml
This command will associate the post's authors to User and import the tags, categories, post and comments.
For the options execute this.
$ python manage.py help wp2zinnia
http://codex.wordpress.org/Tools_Export_SubPanel
We also provides a command for exporting your Zinnia blog to WordPress in the case you want to migrate on it.
Simply execute this command:
$ python manage.py zinnia2wp > export.xml
Once you have the XML export, you can import it into your WordPress site.