dashbboard.py

from adhcoracy4.maps.models import AreaSettings

SETTINGS_WIDGETS = {
    AreaSettings: {
        'polygon': MapChoosePolygonPresets
    }
}


def get_module_settings_form(settings_instance_or_modelref):
    if hasattr(settings_instance_or_modelref, 'module'):
        settings_model = settings_instance_or_modelref.__class__
    else:
        settings_model = loading.get_model(
            settings_instance_or_modelref[0],
            settings_instance_or_modelref[1],
        )

    widgets = SETTINGS_WIDGETS.get(settings_model, settings_model().widgets())

    class ModuleSettings(forms.ModelForm):

        class Meta:
            model = settings_model
            exclude = ['module']
            widgets = widgets

    return ModuleSettings