gistfile1.txt

In [3]: from django.contrib.sites.models import Site

In [4]: x = Site.objects.get_current()

In [5]: x
Out[5]: <Site: wadobo.com>

In [6]: x.name
Out[6]: u'wadobo.com'


In [8]: x.name/domain = "demo.wadobo.com"

In [9]: x.save()


custom_settings.py

ALLOWED_HOSTS = ['demo.wadobo.com', 'fnmt.local.dev']


agora=# select replace(url, 'https://agoravoting.com', 'https://demo.wadobo.com:8443') from agora_core_agora;
agora=# select replace(url, 'https://agoravoting.com', 'https://demo.wadobo.com:8443') from agora_core_election;
agora=# select replace(url, 'http://agoravoting.com', 'https://demo.wadobo.com:8443') from agora_core_election;