def single_route_kml(request, pk, f=False):
"""
Return a KMZ file representing a single route. The route PK is passed in as
opposed to a string representation of the route.
If f=true, the pk is the
pk of the flight the route is connected to (for one case in the logbook
template where the flight pk is only available)
"""
if f == "f":
kwarg = {"flight__pk": pk}
else:
kwarg = {"pk": pk}
# the actual route object
route = Route.goof(**kwarg)
#get distinct routebases to make icons with
rbs = route.routebase_set.all()
# convert routebases into locations
l = Location.objects.filter(routebase__in=rbs).distinct()
# convert back to dict and just the relevent bits
r = dict(kml_rendered=route.kml_rendered,
simple_rendered=route.simple_rendered)
# make the folders
f = RouteFolder(name="Route", qs=[r], style="#red_line")
a = AirportFolder(name='Points', qs=l)
return folders_to_kmz_response([f,a], add_icon=True)
