Hi Zbik,

If your module is always installed last you can move the data logic from the XML to the Python side? In this case you can create a post_init_hook which goes off when you install the module. In the hook you can then check which modules are (or are not) installed and then insert a set of data depending on this.

# manifest.py
'post_init_hook': 'post_init_hook',

# your_python_file.py
def post_init_hook(cr, registry):
    env = api.Environment(cr, SUPERUSER_ID, {})
    # do your checks and insertion here

If it is the other way around (or you don't know it for sure) you can also override the installation module of apps and do your extra logic there, just like Sudhir suggested. The combination of these both methods should cover all cases.

Regards,

Yenthe