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39C3 TOTA location lookup

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Ian Renton
2025-12-26 09:14:49 +00:00
parent 05bc65337f
commit 9b737a8176
4 changed files with 46 additions and 12 deletions
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34
spotproviders/xota.py
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@@ -1,4 +1,6 @@
import csv
import json
import logging
from datetime import datetime
import pytz
@@ -9,31 +11,45 @@ from spotproviders.websocket_spot_provider import WebsocketSpotProvider
# Spot provider for servers based on the "xOTA" software at https://github.com/nischu/xOTA/
# The provider typically doesn't give us a lat/lon or SIG explicitly, so our own config provides this information. This
# functionality is implemented for TOTA events.
# The provider typically doesn't give us a lat/lon or SIG explicitly, so our own config provides a SIG and a reference
# to a local CSV file with location information. This functionality is implemented for TOTA events, of which there are
# several - so a plain lookup of a "TOTA reference" doesn't make sense, it depends on which TOTA and hence which server
# supplied the data, which is why the CSV location lookup is here and not in sig_utils.
class XOTA(WebsocketSpotProvider):
FIXED_LATITUDE = None
FIXED_LONGITUDE = None
LOCATION_DATA = {}
SIG = None
def __init__(self, provider_config):
super().__init__(provider_config, provider_config["url"])
self.FIXED_LATITUDE = provider_config["latitude"] if "latitude" in provider_config else None
self.FIXED_LONGITUDE = provider_config["longitude"] if "longitude" in provider_config else None
locations_csv = provider_config["locations-csv"] if "locations-csv" in provider_config else None
self.SIG = provider_config["sig"] if "sig" in provider_config else None
# Load location data
if locations_csv:
try:
f = open(locations_csv)
csv_data = f.read()
dr = csv.DictReader(csv_data.splitlines())
for row in dr:
self.LOCATION_DATA[row["ref"]] = {"lat": row["lat"], "lon": row["lon"]}
except:
logging.exception("Could not look up location data for XOTA source.")
def ws_message_to_spot(self, bytes):
string = bytes.decode("utf-8")
source_spot = json.loads(string)
ref_id = source_spot["reference"]["title"]
lat = float(self.LOCATION_DATA[ref_id]["lat"]) if ref_id in self.LOCATION_DATA else None
lon = float(self.LOCATION_DATA[ref_id]["lon"]) if ref_id in self.LOCATION_DATA else None
spot = Spot(source=self.name,
source_id=source_spot["id"],
dx_call=source_spot["stationCallSign"].upper(),
freq=float(source_spot["freq"]) * 1000,
mode=source_spot["mode"].upper(),
sig=self.SIG,
sig_refs=[SIGRef(id=source_spot["reference"]["title"], sig=self.SIG, url=source_spot["reference"]["website"])],
sig_refs=[SIGRef(id=ref_id, sig=self.SIG, url=source_spot["reference"]["website"], latitude=lat, longitude=lon)],
time=datetime.now(pytz.UTC).timestamp(),
dx_latitude=self.FIXED_LATITUDE,
dx_longitude=self.FIXED_LONGITUDE,
dx_latitude=lat,
dx_longitude=lon,
qrt=source_spot["state"] != "active")
return spot