Files
spothole/sigrefdataproviders/iota.py
T

42 lines
1.7 KiB
Python

import logging
from pyhamtools.locator import latlong_to_locator
from data.sig_ref import SIGRef
from sigrefdataproviders.file_download_sig_ref_data_provider import FileDownloadSIGRefDataProvider
class IOTA(FileDownloadSIGRefDataProvider):
"""SIG ref data provider for Islands on the Air"""
POLL_INTERVAL_DAYS = 365
SIG = "IOTA"
DATA_URL = "https://www.iota-world.org/islands-on-the-air/downloads/download-file.html?path=groups.json"
def __init__(self, provider_config):
super().__init__(self.SIG, provider_config, self.DATA_URL, self.POLL_INTERVAL_DAYS)
def _http_response_to_data(self, http_response):
new_data = []
data = http_response.json()
if isinstance(data, list):
for ref in data:
ref_id = ref["refno"]
latitude = float(ref["latitude_min"]) + float(ref["latitude_max"]) / 2.0
longitude = float(ref["longitude_min"]) + float(ref["longitude_max"]) / 2.0
grid = None
try:
grid = latlong_to_locator(latitude, longitude, 6)
except ValueError:
logging.debug(f"Error converting lat/lon to locator for an IOTA reference %f %f", latitude, longitude)
new_data.append(SIGRef(sig=self.SIG, id=ref_id, name=ref["name"],
grid=grid, latitude=latitude, longitude=longitude))
# Bail out if a stop has been requested, i.e. the program is shutting down - no need to parse the rest
# of the data in this case
if self._stop_event.is_set():
break
return new_data