def parse_raster_layer_if_log_is_empty(sender, instance, created, **kwargs):
if created:
RasterLayerParseStatus.objects.create(rasterlayer=instance)
RasterLayerMetadata.objects.create(rasterlayer=instance)
if instance.rasterfile.name and instance.parsestatus.log == '':
if hasattr(settings, 'RASTER_USE_CELERY') and settings.RASTER_USE_CELERY:
from raster.tasks import parse_raster_layer_with_celery
parse_raster_layer_with_celery.delay(instance)
else:
from raster.parser import RasterLayerParser
parser = RasterLayerParser(instance)
parser.parse_raster_layer()