models.py 文件源码

def add_potential_georeference(self, lat, long, profile_name, locality_name=False, precision_m=False):
        # Geographical position
        point = Point(long, lat)
        gp, created = GeographicalPosition.objects.get_or_create(point=point)

        # Precision
        if precision_m:
            gp.precision_m = precision_m

        # Author profile
        profile = Profile.objects.get(name=profile_name)

        # Locality name
        if not locality_name:
            ln = self.locality_name
        else:
            ln, created = LocalityName.objects.get_or_create(locality_name=locality_name)

        # Georeference
        gr, created = GeoReference.objects.get_or_create(geographical_position=gp,
                                                         locality_name=ln,
                                                         author=profile)

        # Add it to list
        if gr not in self.potential_georeferences.values():
            self.potential_georeferences.add(gr)