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69 lines
2.8 KiB
Python
69 lines
2.8 KiB
Python
import gzip
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import logging
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from pyhamtools import LookupLib, Callinfo
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from data.callsign import Callsign
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from providers.callsigndata.file_download_callsign_data_provider import FileDownloadCallsignDataProvider
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class ClublogXML(FileDownloadCallsignDataProvider):
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"""Callsign data provider for ClubLog's Country File, which provides basic callsign to DXCC entity mapping."""
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POLL_INTERVAL_DAYS = 30
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DATA_URL = "https://cdn.clublog.org/cty.php"
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CACHE_PATH_ZIPPED = "cache/cty.xml.gz"
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CACHE_PATH_UNZIPPED = "cache/cty.xml"
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_callinfo = None
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def __init__(self, provider_config):
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# API key required for this provider
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self._api_key = provider_config.get("api-key", "")
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if self._api_key == "":
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provider_config["enabled"] = False
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logging.warning(
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"Clublog XML callsign data provider configured but no api key was provided, this has been disabled.")
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super().__init__("Clublog XML", provider_config, self.DATA_URL + "?api=" + self._api_key,
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self.CACHE_PATH_ZIPPED, self.POLL_INTERVAL_DAYS)
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def _handle_file(self, path):
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try:
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# The download from Clublog is gzipped so we need to uncompress that and re-save as a separate file that
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# the LookupLib can actually use.
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with gzip.open(path, "rb") as uncompressed:
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file_content = uncompressed.read()
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assert isinstance(file_content, bytes)
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with open(self.CACHE_PATH_UNZIPPED, "wb") as f:
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f.write(file_content)
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f.flush()
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# Now load the data
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lookuplib = LookupLib(lookuptype="clublogxml", filename=self.CACHE_PATH_UNZIPPED)
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self._callinfo = Callinfo(lookuplib)
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return True
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except Exception as e:
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logging.error("Exception when loading Clublog XML.", e, exc_info=True)
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return False
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def lookup(self, callsign, lookup_credentials):
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# Lookup credentials are not required for this source.
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# Lat/lon will only be centre of country or capital city from this source
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ll = self._callinfo.get_lat_long(callsign)
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lat = None
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lon = None
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if ll and "latitude" in ll and "longitude" in ll:
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lat = float(ll["latitude"])
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lon = float(ll["longitude"])
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return Callsign(call=callsign,
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home_call=self._callinfo.get_homecall(callsign),
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country=self._callinfo.get_country_name(callsign),
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dxcc_id=self._callinfo.get_adif_id(callsign),
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continent=self._callinfo.get_continent(callsign),
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cq_zone=self._callinfo.get_cqz(callsign),
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itu_zone=self._callinfo.get_ituz(callsign),
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latitude=lat,
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longitude=lon)
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