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64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
import logging
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from time import sleep
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from pyhamtools.locator import latlong_to_locator
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from data.sig_ref import SIGRef
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from providers.sigrefdata.file_download_sig_ref_data_provider import (
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FileDownloadSIGRefDataProvider,
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)
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logger = logging.getLogger(__name__)
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class IOTA(FileDownloadSIGRefDataProvider):
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"""SIG ref data provider for Islands on the Air"""
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POLL_INTERVAL_DAYS = 365
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SIG = "IOTA"
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DATA_URL = "https://www.iota-world.org/islands-on-the-air/downloads/download-file.html?path=groups.json"
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def __init__(self, provider_config):
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super().__init__(self.SIG, provider_config, self.DATA_URL, self.POLL_INTERVAL_DAYS)
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def _http_response_to_data(self, http_response):
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new_data = []
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data = http_response.json()
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if isinstance(data, list):
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for ref in data:
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ref_id = ref["refno"]
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latitude = (float(ref["latitude_min"]) + float(ref["latitude_max"])) / 2.0
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longitude = (float(ref["longitude_min"]) + float(ref["longitude_max"])) / 2.0
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grid = None
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try:
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grid = latlong_to_locator(latitude, longitude, 6)
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except ValueError:
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logger.debug(
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"Error converting lat/lon to locator for an IOTA reference %f %f",
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latitude,
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longitude,
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)
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new_data.append(
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SIGRef(
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sig=self.SIG,
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id=ref_id,
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name=ref["name"],
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ref_type="Island",
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grid=grid,
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latitude=latitude,
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longitude=longitude,
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)
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)
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# Bail out if a stop has been requested, i.e. the program is shutting down - no need to parse the rest
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# of the data in this case
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if self._stop_event.is_set():
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break
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# Very short pause. This will extend the time to handle sig refs by a few seconds but will ensure some time
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# is available for other threads e.g. the web server.
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sleep(0.001)
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return new_data
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