kopia lustrzana https://github.com/glidernet/ogn-python
46 wiersze
1.3 KiB
Python
46 wiersze
1.3 KiB
Python
from geoalchemy2.shape import to_shape
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from geoalchemy2.types import Geometry
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from sqlalchemy.ext.declarative import AbstractConcreteBase
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from sqlalchemy.ext.hybrid import hybrid_property
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from .geo import Location
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from app import db
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class Beacon(AbstractConcreteBase, db.Model):
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# APRS data
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location_wkt = db.Column("location", Geometry("POINT", srid=4326))
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altitude = db.Column(db.Float(precision=2))
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name = db.Column(db.String, primary_key=True, nullable=True)
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dstcall = db.Column(db.String)
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relay = db.Column(db.String)
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receiver_name = db.Column(db.String(9), primary_key=True, nullable=True)
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timestamp = db.Column(db.DateTime, primary_key=True, nullable=True)
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symboltable = None
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symbolcode = None
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track = db.Column(db.SmallInteger)
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ground_speed = db.Column(db.Float(precision=2))
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comment = None
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# Type information
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beacon_type = None
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aprs_type = None
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# Debug information
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raw_message = None
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reference_timestamp = None
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@hybrid_property
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def location(self):
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if self.location_wkt is None:
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return None
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coords = to_shape(self.location_wkt)
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return Location(lat=coords.y, lon=coords.x)
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@location.expression
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def location(cls):
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return cls.location_wkt
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