get all app.Model in a Django project, excluding some models as required

gistfile1.py

from django.db import models

app_names = []

excuded = ['SomeModel', ...]

for app in models.get_apps():
    for model_class in models.get_models(app):
        if model_class.__name__ in :
            continue
        app_label = app.__name__.replace('.models', '').split('.')[-1]
        app_names.append(u'%s.%s' % (app_label, model_class.__name__))

" ".join(app_names)