Django model method to print information on model instances with an FK relation to the current model instance.

gistfile1.py

def print_related_objects(self):
    """Print info on the objects that are related with a ForeignKey to this instance"""
    for link in [f for f in self._meta.get_fields() if f.one_to_many and f.auto_created and not f.concrete]:
        related = getattr(self, link.get_accessor_name()).all()
        print("found %s instances of %s pointing at this object - they can be accessed using obj.%s.all()" % (len(related), link.related_model, link.get_accessor_name()))

In [1]: Delivery.objects.first().print_related_objects()
found 0 instances of <class 'mrxcore.models.SubscriptionTermination'> pointing at this object - they can be accessed using obj.subscriptionterminations.all()
found 2 instances of <class 'radius.models.Radcheck'> pointing at this object - they can be accessed using obj.radchecks.all()
found 2 instances of <class 'radius.models.Radreply'> pointing at this object - they can be accessed using obj.radreplies.all()
found 1 instances of <class 'internetservice.models.InternetService'> pointing at this object - they can be accessed using obj.internetservice_set.all()
found 0 instances of <class 'tvservice.models.VODREntry'> pointing at this object - they can be accessed using obj.vodrentries.all()
found 0 instances of <class 'tvservice.models.TvService'> pointing at this object - they can be accessed using obj.tvservice_set.all()
found 1 instances of <class 'phoneservice.models.PhoneService'> pointing at this object - they can be accessed using obj.phoneservice_set.all()
found 0 instances of <class 'customer.models.ContactInfoOverride'> pointing at this object - they can be accessed using obj.contactinfooverride.all()
found 0 instances of <class 'customer.models.Order'> pointing at this object - they can be accessed using obj.orders.all()
found 16 instances of <class 'partners.models.WaooSoapRequest'> pointing at this object - they can be accessed using obj.waoosoaprequests.all()
found 1 instances of <class 'workers.models.PortProvisioningJob'> pointing at this object - they can be accessed using obj.portprovisioningjobs.all()
found 5 instances of <class 'notes.models.DeliveryNote'> pointing at this object - they can be accessed using obj.notes.all()
found 1 instances of <class 'booking.models.TechBooking'> pointing at this object - they can be accessed using obj.techbookings.all()
found 2 instances of <class 'panther.models.PantherRequest'> pointing at this object - they can be accessed using obj.pantherrequests.all()
found 1 instances of <class 'wifiservice.models.WifiService'> pointing at this object - they can be accessed using obj.wifiservice_set.all()
found 0 instances of <class 'waoostreamingservice.models.WaooStreamingService'> pointing at this object - they can be accessed using obj.waoostreamingservice_set.all()