Create a virtual environment and from it, run
pip install requirements.txt
python manage.py migrate
python manage.py loaddata parking/fixtures.json
# For admin purposes
python manage.py createsuperuser
Example query:
from django.contrib.gis.geos import fromstr
from django.contrib.gis.measure import D
from parking.models import ParkingSpot
pnt=fromstr('POINT(-122.413768 37.782781)', srid=4326)
ParkingSpot.objects.filter(location__distance_lte=(pnt, D(km=1))).count()