def link_vertices_with_namedreaches():
for named_reach in models.NamedReach.objects.all():
rs = utils.namedreach2riversegments(named_reach)
vertices = models.Vertex.objects.filter(
vertexvalue__riversegment__in=rs).distinct()
for vertex in vertices:
vertex.named_reaches.add(named_reach)
vertex.save()
def handle(self, *args, **options):
if len(args) == 0:
print "Pass excel files as arguments."
sys.exit(1)
map(self.parse, args)
#Link Vertexes with the NamedReaches
for named_reach in models.NamedReach.objects.all():
rs = utils.namedreach2riversegments(named_reach)
vertexes = models.Vertex.objects.filter(
vertexvalue__riversegment__in=rs).distinct()
for vertex in vertexes:
vertex.named_reaches.add(named_reach)
vertex.save()
def _water_levels(request):
selected_river = _selected_river(request)
selected_measures = _selected_measures(request)
selected_vertex = _selected_vertex(request)
cache_key = (str(selected_river) + str(selected_vertex.id) +
''.join(selected_measures))
cache_key = md5(cache_key).hexdigest()
water_levels = cache.get(cache_key)
if not water_levels:
logger.info("Cache miss for _water_levels")
measures = models.Measure.objects.filter(
short_name__in=selected_measures)
riversegments = namedreach2riversegments(selected_river)
segment_levels = [_segment_level(segment, measures, selected_vertex)
for segment in riversegments]
water_levels = [segment for segment in segment_levels if segment]
cache.set(cache_key, water_levels, 5 * 60)
return water_levels
