ogn-python/ogn/model/beacon.py

38 wiersze
970 B
Python

from geoalchemy2.shape import to_shape
from geoalchemy2.types import Geometry
from sqlalchemy import Column, String, Integer, Float, DateTime
from sqlalchemy.ext.declarative import AbstractConcreteBase
from .base import Base
from .geo import Location
class Beacon(AbstractConcreteBase, Base):
id = Column(Integer, primary_key=True)
# APRS data
location_wkt = Column('location', Geometry('POINT', srid=4326))
altitude = Column(Integer)
name = Column(String)
receiver_name = Column(String(9))
dstcall = None
timestamp = Column(DateTime, index=True)
symboltable = None
symbolcode = None
track = Column(Integer)
ground_speed = Column(Float)
comment = None
relay = None
beacon_type = None
aprs_type = None
@property
def location(self):
if self.location_wkt is None:
return None
coords = to_shape(self.location_wkt)
return Location(lat=coords.y, lon=coords.x)