def set_location(self, ni):
"""
Calculates and sets the location for this NewsItem from the cnn_list.
"""
geom_set = []
for cnn in simplejson.loads(ni.attributes['json'])['cnn_list']:
try:
geom = SfStreet.objects.get(cnn=cnn).location
except SfStreet.DoesNotExist:
pass
else:
geom_set.append(geom)
geom = line_merge(make_geomcoll(geom_set))
if not geom.empty:
ni.location = geom
else:
self.logger.debug('got an empty geometry from list of geoms: %r' %
geom_set)
def set_location(self, ni):
"""
Calculates and sets the location for this NewsItem from the cnn_list.
"""
geom_set = []
location_details = simplejson.loads(ni.attributes['location_details'])
for cnn in location_details['cnn_list']:
try:
geom = SfStreet.objects.get(cnn=cnn).location
except SfStreet.DoesNotExist:
pass
else:
geom_set.append(geom)
for detail in location_details['details']:
# Try using the cnn first, but for some reason the sf streets db
# doesn't have *every* cnn.
if detail.has_key('cnn'):
try:
geom = SfStreet.objects.get(cnn=detail['cnn']).location
except SfStreet.DoesNotExist:
pass
else:
geom_set.append(geom)
# If the cnn wasn't found, and this is an itersection, try getting
# the location by cross streets.
else:
geom = SfStreet.objects.get_intersection(
detail['cross_street_1'], detail['cross_street_2'])
if geom:
geom_set.append(geom)
geom = line_merge(make_geomcoll(geom_set))
if not geom.empty:
ni.location = geom
else:
self.logger.debug('got an empty geometry from list of geoms: %r' %
geom_set)
