Files
spothole/providers/callsigndata/clublogxml.py
T

77 lines
2.6 KiB
Python

import gzip
import logging
from pyhamtools import Callinfo, LookupLib
from core.data_store import DATA_STORE
from core.utils import get_callsign_object_from_pyhamtools_callinfo
from data.callsign import Callsign
from providers.callsigndata.file_download_callsign_data_provider import (
FileDownloadCallsignDataProvider,
)
class ClublogXML(FileDownloadCallsignDataProvider):
"""Callsign data provider for ClubLog's Country File, which provides basic callsign to DXCC entity mapping."""
POLL_INTERVAL_DAYS = 30
DATA_URL = "https://cdn.clublog.org/cty.php"
CACHE_PATH_ZIPPED = "cache/cty.xml.gz"
CACHE_PATH_UNZIPPED = "cache/cty.xml"
_callinfo = None
def __init__(self, provider_config):
# API key required for this provider
self._api_key = provider_config.get("api_key", "")
if self._api_key == "":
provider_config["enabled"] = False
logging.warning(
"Clublog XML callsign data provider configured but no api key was provided, this has been disabled."
)
super().__init__(
"Clublog XML",
provider_config,
f"{self.DATA_URL}?api={self._api_key}",
self.CACHE_PATH_ZIPPED,
self.POLL_INTERVAL_DAYS,
DATA_STORE.callsign_data_clublogxml,
)
def _handle_file(self, path):
try:
# The download from Clublog is gzipped so we need to uncompress that and re-save as a separate file that
# the LookupLib can actually use.
with gzip.open(path, "rb") as uncompressed:
file_content = uncompressed.read()
assert isinstance(file_content, bytes)
with open(self.CACHE_PATH_UNZIPPED, "wb") as f:
f.write(file_content)
f.flush()
# Now load the data
lookuplib = LookupLib(lookuptype="clublogxml", filename=self.CACHE_PATH_UNZIPPED)
self._callinfo = Callinfo(lookuplib)
return True
except Exception:
logging.exception("Exception when loading Clublog XML.")
return False
def _perform_new_lookup(self, callsign, lookup_credentials):
callsign_data = Callsign(call=callsign)
try:
if self._callinfo:
callsign_data = get_callsign_object_from_pyhamtools_callinfo(callsign, self._callinfo)
self.status = "OK"
self.lookup_count += 1
else:
return None
except Exception:
self.status = "Error"
logging.exception("Exception when looking up data from Clublog XML data")
return callsign_data