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Code Issues 13 Packages Projects Releases Wiki Activity

Refactor of caching & data storage part 13 #118

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This commit is contained in:
Ian Renton
2026-08-03 08:56:34 +01:00
parent e31b145b8e
commit 50ab27e4a2
9 changed files with 200 additions and 638 deletions
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core/call_lookup_helper.py
+16 -611
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@@ -13,620 +13,25 @@ from requests_cache import CachedSession
from core.config import config
from core.constants import HTTP_HEADERS, HAMQTH_PRG
from core.data_providers import DATA_PROVIDERS
from core.data_store import DATA_STORE
from core.url_data_cache import URLDataCache
from data.callsign import Callsign
# QRZ XML field names differ from pyhamtools' normalised names; map them here.
_QRZ_FIELD_MAP = {
"lat": "latitude",
"lon": "longitude",
"grid": "locator",
"ituzone": "ituz",
"cqzone": "cqz",
}
_QRZ_INT_FIELDS = {"adif", "cqz", "ituz"}
_QRZ_FLOAT_FIELDS = {"latitude", "longitude"}
_URL_DATA_CACHE = URLDataCache("callsign_lookup")
def get_call_info(callsign, lookup_credentials):
"""Utility method to get the best set of data for a callsign as we can, using all enabled providers.
lookup_credentials is an optional object that carries the user's QRZ.com/HamQTH credentials, if they provided them,
to enable lookup using those providers."""
def _normalize_qrz_data(raw):
data = {}
for k, v in raw.items():
if v is None:
continue
mapped_key = _QRZ_FIELD_MAP.get(k, k)
if mapped_key in _QRZ_INT_FIELDS:
try:
v = int(v)
except (ValueError, TypeError):
pass
elif mapped_key in _QRZ_FLOAT_FIELDS:
try:
v = float(v)
except (ValueError, TypeError):
pass
data[mapped_key] = v
return data
callsign = Callsign(call=callsign)
for p in DATA_PROVIDERS.callsign_data_providers:
# Get new lookup data
data = p.lookup(callsign, lookup_credentials)
if data:
# Merge in turn, replacing any existing content where we have it.
for key, value in data.__dict__.items():
if value is not None:
callsign.__dict__[key] = value
class LookupHelper:
"""Singleton class that provides lookup functionality."""
def __init__(self):
"""Create the lookup helper. Note that nothing actually happens until the start() method is called, and that all
lookup methods will fail if start() has not yet been called. This therefore needs starting before any spot or
alert handlers are created."""
self._clublog_callsign_data_cache = None
self._lookup_lib_clublog_xml = None
self._clublog_xml_available = None
self._lookup_lib_clublog_api = None
self._clublog_xml_download_location = None
self._clublog_api_available = None
self._clublog_cty_xml_cache = None
self._clublog_api_key = None
self._qrz_callsign_data_cache = None
self._qrz_base_url = "https://xmldata.qrz.com/xml/current/"
# QRZ session keys expire after an hour; cache the login response for 55 minutes.
self._qrz_session_cache = CachedSession("cache/qrz_session_cache",
expire_after=timedelta(minutes=55))
self._hamqth_callsign_data_cache = None
self._hamqth_base_url = "https://www.hamqth.com/xml.php"
# HamQTH session keys expire after an hour. Rather than working out how much time has passed manually, we cheat
# and cache the HTTP response for 55 minutes, so when the login URL is queried within 55 minutes of the previous
# time, you just get the cached response.
self._hamqth_session_lookup_cache = CachedSession("cache/hamqth_session_cache",
expire_after=timedelta(minutes=55))
self._call_info_basic = None
self._lookup_lib_basic = None
self._country_files_cty_plist_download_location = None
self._dxcc_json_download_location = None
def start(self):
# Lookup helpers from pyhamtools. We use five (!) of these. The simplest is country-files.com, which downloads
# the data once on startup, and requires no login/key, but does not have the best coverage.
# If the user provides login details/API keys, we also set up helpers for QRZ.com, HamQTH, Clublog (live API
# request), and Clublog (XML download). The lookup functions iterate through these in a sensible order, looking
# for suitable data.
self._country_files_cty_plist_download_location = "cache/cty.plist"
success = self._download_country_files_cty_plist()
if success:
self._lookup_lib_basic = LookupLib(lookuptype="countryfile",
filename=self._country_files_cty_plist_download_location)
else:
self._lookup_lib_basic = LookupLib(lookuptype="countryfile")
self._call_info_basic = Callinfo(self._lookup_lib_basic)
self._qrz_callsign_data_cache = Cache('cache/qrz_callsign_lookup_cache')
self._hamqth_callsign_data_cache = Cache('cache/hamqth_callsign_lookup_cache')
self._clublog_api_key = str(config["clublog-api-key"])
self._clublog_cty_xml_cache = CachedSession("cache/clublog_cty_xml_cache", expire_after=timedelta(days=10))
self._clublog_api_available = self._clublog_api_key != ""
self._clublog_xml_download_location = "cache/cty.xml"
if self._clublog_api_available:
self._lookup_lib_clublog_api = LookupLib(lookuptype="clublogapi", apikey=self._clublog_api_key)
success = self._download_clublog_ctyxml()
self._clublog_xml_available = success
if success:
self._lookup_lib_clublog_xml = LookupLib(lookuptype="clublogxml",
filename=self._clublog_xml_download_location)
self._clublog_callsign_data_cache = Cache('cache/clublog_callsign_lookup_cache')
def _download_country_files_cty_plist(self):
"""Download the cty.plist file from country-files.com on first startup. The pyhamtools lib can actually download and use
this itself, but it's occasionally offline which causes it to throw an error. By downloading it separately, we can
catch errors and handle them, falling back to a previous copy of the file in the cache, and we can use the
requests_cache library to prevent re-downloading too quickly if the software keeps restarting."""
try:
logging.info("Downloading Country-files.com cty.plist...")
response = _URL_DATA_CACHE.get("https://www.country-files.com/cty/cty.plist",
headers=HTTP_HEADERS)
if response.ok:
with open(self._country_files_cty_plist_download_location, "w") as f:
f.write(response.text)
f.flush()
return True
else:
logging.warning(f"HTTP {response.status_code} when downloading Country-files.com cty.plist.")
return False
except ConnectionError:
logging.warning(f"Connection error when downloading Clublog cty.xml.")
except (ConnectTimeout, ReadTimeout):
logging.warning(f"Timeout when downloading Clublog cty.xml.")
except Exception as e:
logging.error("Exception when downloading Clublog cty.xml", e)
return False
def _download_clublog_ctyxml(self):
"""Download the cty.xml (gzipped) file from Clublog on first startup, so we can use it in preference to querying the
database live if possible."""
try:
logging.info("Downloading Clublog cty.xml.gz...")
response = self._clublog_cty_xml_cache.get("https://cdn.clublog.org/cty.php?api=" + self._clublog_api_key,
headers=HTTP_HEADERS)
logging.info("Caching Clublog cty.xml.gz...")
open(self._clublog_xml_download_location + ".gz", 'wb').write(response.content)
with gzip.open(self._clublog_xml_download_location + ".gz", "rb") as uncompressed:
file_content = uncompressed.read()
assert isinstance(file_content, bytes)
logging.info("Caching Clublog cty.xml...")
with open(self._clublog_xml_download_location, "wb") as f:
f.write(file_content)
f.flush()
return True
except Exception as e:
logging.error("Exception when downloading Clublog cty.xml", e)
return False
def infer_country_from_callsign(self, call, credentials=None):
"""Infer a country name from a callsign"""
try:
# Start with the basic country-files.com-based decoder.
country = self._call_info_basic.get_country_name(call)
except (KeyError, ValueError):
country = None
# Couldn't get anything from basic call info database, try QRZ.com
if not country:
qrz_data = self._get_qrz_data_for_callsign(call, credentials)
if qrz_data and "country" in qrz_data:
country = qrz_data["country"]
# Couldn't get anything from QRZ.com database, try HamQTH
if not country:
hamqth_data = self._get_hamqth_data_for_callsign(call, credentials)
if hamqth_data and "country" in hamqth_data:
country = hamqth_data["country"]
# Couldn't get anything from HamQTH database, try Clublog data
if not country:
clublog_data = self._get_clublog_xml_data_for_callsign(call)
if clublog_data and "Name" in clublog_data:
country = clublog_data["Name"]
if not country:
clublog_data = self._get_clublog_api_data_for_callsign(call)
if clublog_data and "Name" in clublog_data:
country = clublog_data["Name"]
# Couldn't get anything from Clublog database, try DXCC data
if not country:
dxcc_data = self._get_dxcc_data_for_callsign(call)
if dxcc_data and "name" in dxcc_data:
country = dxcc_data["name"]
return country
def infer_dxcc_id_from_callsign(self, call, credentials=None):
"""Infer a DXCC ID from a callsign"""
try:
# Start with the basic country-files.com-based decoder.
dxcc = self._call_info_basic.get_adif_id(call)
except (KeyError, ValueError):
dxcc = None
# Couldn't get anything from basic call info database, try QRZ.com
if not dxcc:
qrz_data = self._get_qrz_data_for_callsign(call, credentials)
if qrz_data and "adif" in qrz_data:
dxcc = qrz_data["adif"]
# Couldn't get anything from QRZ.com database, try HamQTH
if not dxcc:
hamqth_data = self._get_hamqth_data_for_callsign(call, credentials)
if hamqth_data and "adif" in hamqth_data:
dxcc = hamqth_data["adif"]
# Couldn't get anything from HamQTH database, try Clublog data
if not dxcc:
clublog_data = self._get_clublog_xml_data_for_callsign(call)
if clublog_data and "DXCC" in clublog_data:
dxcc = clublog_data["DXCC"]
if not dxcc:
clublog_data = self._get_clublog_api_data_for_callsign(call)
if clublog_data and "DXCC" in clublog_data:
dxcc = clublog_data["DXCC"]
# Couldn't get anything from Clublog database, try DXCC data
if not dxcc:
dxcc_data = self._get_dxcc_data_for_callsign(call)
if dxcc_data and "entityCode" in dxcc_data:
dxcc = dxcc_data["entityCode"]
return dxcc
def infer_continent_from_callsign(self, call, credentials=None):
"""Infer a continent shortcode from a callsign"""
try:
# Start with the basic country-files.com-based decoder.
continent = self._call_info_basic.get_continent(call)
except (KeyError, ValueError):
continent = None
# Couldn't get anything from basic call info database, try HamQTH
if not continent:
hamqth_data = self._get_hamqth_data_for_callsign(call, credentials)
if hamqth_data and "continent" in hamqth_data:
continent = hamqth_data["continent"]
# Couldn't get anything from HamQTH database, try Clublog data
if not continent:
clublog_data = self._get_clublog_xml_data_for_callsign(call)
if clublog_data and "Continent" in clublog_data:
continent = clublog_data["Continent"]
if not continent:
clublog_data = self._get_clublog_api_data_for_callsign(call)
if clublog_data and "Continent" in clublog_data:
continent = clublog_data["Continent"]
# Couldn't get anything from Clublog database, try DXCC data
if not continent:
dxcc_data = self._get_dxcc_data_for_callsign(call)
# Some DXCCs are in two continents, if so don't use the continent data as we can't be sure
if dxcc_data and "continent" in dxcc_data and len(dxcc_data["continent"]) == 1:
continent = dxcc_data["continent"][0]
return continent
def infer_cq_zone_from_callsign(self, call, credentials=None):
"""Infer a CQ zone from a callsign"""
try:
# Start with the basic country-files.com-based decoder.
cqz = self._call_info_basic.get_cqz(call)
except (KeyError, ValueError):
cqz = None
# Couldn't get anything from basic call info database, try QRZ.com
if not cqz:
qrz_data = self._get_qrz_data_for_callsign(call, credentials)
if qrz_data and "cqz" in qrz_data:
cqz = qrz_data["cqz"]
# Couldn't get anything from QRZ.com database, try HamQTH
if not cqz:
hamqth_data = self._get_hamqth_data_for_callsign(call, credentials)
if hamqth_data and "cq" in hamqth_data:
cqz = hamqth_data["cq"]
# Couldn't get anything from HamQTH database, try Clublog data
if not cqz:
clublog_data = self._get_clublog_xml_data_for_callsign(call)
if clublog_data and "CQZ" in clublog_data:
cqz = clublog_data["CQZ"]
if not cqz:
clublog_data = self._get_clublog_api_data_for_callsign(call)
if clublog_data and "CQZ" in clublog_data:
cqz = clublog_data["CQZ"]
# Couldn't get anything from Clublog database, try DXCC data
if not cqz:
dxcc_data = self._get_dxcc_data_for_callsign(call)
# Some DXCCs are in multiple zones, if so don't use the zone data as we can't be sure
if dxcc_data and "cq" in dxcc_data and len(dxcc_data["cq"]) == 1:
cqz = dxcc_data["cq"][0]
return cqz
def infer_itu_zone_from_callsign(self, call, credentials=None):
"""Infer a ITU zone from a callsign"""
try:
# Start with the basic country-files.com-based decoder.
ituz = self._call_info_basic.get_ituz(call)
except (KeyError, ValueError):
ituz = None
# Couldn't get anything from basic call info database, try QRZ.com
if not ituz:
qrz_data = self._get_qrz_data_for_callsign(call, credentials)
if qrz_data and "ituz" in qrz_data:
ituz = qrz_data["ituz"]
# Couldn't get anything from QRZ.com database, try HamQTH
if not ituz:
hamqth_data = self._get_hamqth_data_for_callsign(call, credentials)
if hamqth_data and "itu" in hamqth_data:
ituz = hamqth_data["itu"]
# Couldn't get anything from HamQTH database, Clublog doesn't provide this, so try DXCC data
if not ituz:
dxcc_data = self._get_dxcc_data_for_callsign(call)
# Some DXCCs are in multiple zones, if so don't use the zone data as we can't be sure
if dxcc_data and "itu" in dxcc_data and len(dxcc_data["itu"]) == 1:
ituz = dxcc_data["itu"]
return ituz
def infer_name_from_callsign_online_lookup(self, call, credentials=None):
"""Infer an operator name from a callsign (requires QRZ.com/HamQTH)"""
data = self._get_qrz_data_for_callsign(call, credentials)
if data and "name_fmt" in data:
return data["name_fmt"]
if data and "fname" in data:
name = data["fname"]
if "nick" in data:
name = name + " \"" + data["nick"] + "\""
if "name" in data:
name = name + " " + data["name"]
return name
data = self._get_hamqth_data_for_callsign(call, credentials)
if data and "nick" in data:
return data["nick"]
else:
return None
def infer_latlon_from_callsign_online_lookup(self, call, credentials=None):
"""Infer a latitude and longitude from a callsign (requires QRZ.com/HamQTH)
Coordinates that look default are rejected (apologies if your position really is 0,0, enjoy your voyage)"""
data = self._get_qrz_data_for_callsign(call, credentials)
if data and "latitude" in data and "longitude" in data and (
float(data["latitude"]) != 0 or float(data["longitude"]) != 0) and -89.9 < float(
data["latitude"]) < 89.9:
return [float(data["latitude"]), float(data["longitude"])]
data = self._get_hamqth_data_for_callsign(call, credentials)
if data and "latitude" in data and "longitude" in data and (
float(data["latitude"]) != 0 or float(data["longitude"]) != 0) and -89.9 < float(
data["latitude"]) < 89.9:
return [float(data["latitude"]), float(data["longitude"])]
else:
return None
def infer_grid_from_callsign_online_lookup(self, call, credentials=None):
"""Infer a grid locator from a callsign (requires QRZ.com/HamQTH).
Grids that look default are rejected (apologies if your grid really is AA00aa, enjoy your research)"""
data = self._get_qrz_data_for_callsign(call, credentials)
if data and "locator" in data and data["locator"].upper() != "AA00" and data["locator"].upper() != "AA00AA" and \
data["locator"].upper() != "AA00AA00":
return data["locator"]
data = self._get_hamqth_data_for_callsign(call, credentials)
if data and "grid" in data and data["grid"].upper() != "AA00" and data["grid"].upper() != "AA00AA" and data[
"grid"].upper() != "AA00AA00":
return data["grid"]
else:
return None
def infer_qth_from_callsign_online_lookup(self, call, credentials=None):
"""Infer a textual QTH from a callsign (requires QRZ.com/HamQTH)"""
data = self._get_qrz_data_for_callsign(call, credentials)
if data and "addr2" in data:
return data["addr2"]
data = self._get_hamqth_data_for_callsign(call, credentials)
if data and "qth" in data:
return data["qth"]
else:
return None
def infer_latlon_from_callsign_dxcc(self, call):
"""Infer a latitude and longitude from a callsign (using DXCC, probably very inaccurate)"""
try:
data = self._call_info_basic.get_lat_long(call)
if data and "latitude" in data and "longitude" in data:
loc = [float(data["latitude"]), float(data["longitude"])]
else:
loc = None
except KeyError:
loc = None
# Couldn't get anything from basic call info database, try Clublog data
if not loc:
data = self._get_clublog_xml_data_for_callsign(call)
if data and "Lat" in data and "Lon" in data:
loc = [float(data["Lat"]), float(data["Lon"])]
if not loc:
data = self._get_clublog_api_data_for_callsign(call)
if data and "Lat" in data and "Lon" in data:
loc = [float(data["Lat"]), float(data["Lon"])]
return loc
def infer_grid_from_callsign_dxcc(self, call):
"""Infer a grid locator from a callsign (using DXCC, probably very inaccurate)"""
latlon = self.infer_latlon_from_callsign_dxcc(call) or []
grid = None
if latlon:
try:
grid = latlong_to_locator(latlon[0], latlon[1], 8)
except:
logging.debug("Invalid lat/lon received for DXCC")
return grid
def _get_qrz_data_for_callsign(self, call, credentials) -> dict | None:
"""Utility method to get QRZ.com data from cache if possible, if not get it from the API and cache it.
Returns None immediately if no credentials are provided."""
# Return from cache if available (a cached None means 'not found in QRZ')
if call in self._qrz_callsign_data_cache:
return self._qrz_callsign_data_cache.get(call)
# Obtain session key from credentials
session_key = None
if credentials and credentials.qrz_session_key:
session_key = credentials.qrz_session_key
elif credentials and credentials.qrz_username and credentials.qrz_password:
try:
login_response = self._qrz_session_cache.get(
self._qrz_base_url + "?username=" + urllib.parse.quote_plus(credentials.qrz_username) +
"&password=" + urllib.parse.quote_plus(credentials.qrz_password) + "&agent=spothole",
headers=HTTP_HEADERS).content
login_data = xmltodict.parse(login_response)
session = login_data.get("QRZDatabase", {}).get("Session", {})
if "Key" in session:
session_key = str(session["Key"])
else:
logging.warning("QRZ.com login details incorrect, failed to look up with QRZ.")
return None
except Exception:
logging.error("Exception when getting QRZ.com session key")
return None
if not session_key:
return None
# Try the call as given, then fall back to the base call (strips /P, /M etc.)
calls_to_try = [call]
try:
home_call = callinfo.Callinfo.get_homecall(call)
if home_call != call:
calls_to_try.append(home_call)
except ValueError:
logging.debug("Could not look up home call for callsign %s", call)
for lookup_call in calls_to_try:
try:
response = _URL_DATA_CACHE.get(
self._qrz_base_url + "?s=" + session_key + "&callsign=" + urllib.parse.quote_plus(lookup_call),
headers=HTTP_HEADERS, timeout=10)
if response.ok:
qrz_response = xmltodict.parse(response.content).get("QRZDatabase", {})
if qrz_response:
if "Callsign" in qrz_response:
data = _normalize_qrz_data(qrz_response.get("Callsign"))
self._qrz_callsign_data_cache.add(call, data, expire=604800) # 1 week in seconds
return data
elif "Session" in qrz_response and "Error" in qrz_response.get("Session"):
# Errors here are normally just "callsign not in database", no need to log that ourselves
# above debug level.
logging.debug("QRZ returned an error looking up callsign %s: %s", lookup_call,
qrz_response.get("Session").get("Error"))
elif not response.from_cache:
logging.warning("QRZ returned a malformed response looking up callsign %s", lookup_call)
elif not response.from_cache:
logging.warning("HTTP %d looking up callsign %s using QRZ", lookup_call)
except (KeyError, ValueError):
continue
except ConnectionError:
logging.warning(f"Connection error when looking up callsign %s using QRZ", lookup_call)
continue
except (ConnectTimeout, ReadTimeout):
logging.warning(f"Timeout when looking up callsign %s using QRZ.", lookup_call)
continue
except Exception:
logging.error("Exception when looking up callsign %s using QRZ", lookup_call, exc_info=True)
continue
# Not found in QRZ; cache None so we don't keep retrying
self._qrz_callsign_data_cache.add(call, None, expire=604800) # 1 week in seconds
return None
def _get_hamqth_data_for_callsign(self, call, credentials) -> dict | None:
"""Utility method to get HamQTH data from cache if possible, if not get it from the API and cache it.
Returns None immediately if no credentials are provided."""
# Return from cache if available
if call in self._hamqth_callsign_data_cache:
return self._hamqth_callsign_data_cache.get(call)
# Obtain session ID from credentials
session_id = None
if credentials and credentials.hamqth_session_id:
session_id = credentials.hamqth_session_id
elif credentials and credentials.hamqth_username and credentials.hamqth_password:
try:
session_data = self._hamqth_session_lookup_cache.get(
self._hamqth_base_url + "?u=" + urllib.parse.quote_plus(credentials.hamqth_username) +
"&p=" + urllib.parse.quote_plus(credentials.hamqth_password), headers=HTTP_HEADERS).content
dict_data = xmltodict.parse(session_data)
if "session_id" in dict_data["HamQTH"]["session"]:
session_id = str(dict_data["HamQTH"]["session"]["session_id"])
else:
logging.warning("HamQTH login details incorrect, failed to look up with HamQTH.")
return None
except Exception:
logging.error("Exception when getting HamQTH session ID")
return None
if not session_id:
return None
# Try the call as given, then fall back to the base call (strips /P, /M etc.)
calls_to_try = [call]
try:
home_call = callinfo.Callinfo.get_homecall(call)
if home_call != call:
calls_to_try.append(home_call)
except ValueError:
logging.debug("Could not look up home call for callsign %s", call)
for lookup_call in calls_to_try:
try:
response = _URL_DATA_CACHE.get(
self._hamqth_base_url + "?id=" + session_id + "&callsign=" + urllib.parse.quote_plus(
lookup_call) + "&prg=" + HAMQTH_PRG, headers=HTTP_HEADERS)
if response.ok:
data = xmltodict.parse(response.content)["HamQTH"]["search"]
self._hamqth_callsign_data_cache.add(call, data, expire=604800) # 1 week in seconds
return data
elif not response.from_cache:
logging.warning("HTTP %d looking up callsign %s using HamQTH", response.status_code, lookup_call)
except (KeyError, ValueError):
continue
except ConnectionError:
logging.warning(f"Connection error when looking up callsign %s using HamQTH", lookup_call)
continue
except (ConnectTimeout, ReadTimeout):
logging.warning(f"Timeout when looking up callsign %s using HamQTH", lookup_call)
continue
except Exception:
logging.error("Exception when looking up callsign %s using HamQTH", lookup_call, exc_info=True)
continue
# Not found in HamQTH; cache None so we don't keep retrying
self._hamqth_callsign_data_cache.add(call, None, expire=604800) # 1 week in seconds
return None
def _get_clublog_api_data_for_callsign(self, call) -> dict | None:
"""Utility method to get Clublog API data from cache if possible, if not get it from the API and cache it"""
# Fetch from cache if we can, otherwise fetch from the API and cache it
if call in self._clublog_callsign_data_cache:
return self._clublog_callsign_data_cache.get(call)
elif self._clublog_api_available:
try:
data = self._lookup_lib_clublog_api.lookup_callsign(callsign=call)
self._clublog_callsign_data_cache.add(call, data, expire=604800) # 1 week in seconds
return data
except (KeyError, ValueError):
# Clublog had no info for the call, but maybe it had prefixes or suffixes. Try again with the base call.
try:
data = self._lookup_lib_clublog_api.lookup_callsign(callsign=callinfo.Callinfo.get_homecall(call))
self._clublog_callsign_data_cache.add(call, data, expire=604800) # 1 week in seconds
return data
except (KeyError, ValueError):
# Clublog had no info for the call, that's OK. Cache a None so we don't try to look this up again
self._clublog_callsign_data_cache.add(call, None, expire=604800) # 1 week in seconds
return None
except APIKeyMissingError:
# User API key was wrong, warn
logging.error("Could not look up via Clublog API, key " + self._clublog_api_key + " was rejected.")
return None
else:
return None
def _get_clublog_xml_data_for_callsign(self, call) -> dict | None:
"""Utility method to get Clublog XML data from file"""
if self._clublog_xml_available:
try:
data = self._lookup_lib_clublog_xml.lookup_callsign(callsign=call)
return data
except (KeyError, ValueError):
# Clublog had no info for the call, that's OK. Cache a None so we don't try to look this up again
self._clublog_callsign_data_cache.add(call, None, expire=604800) # 1 week in seconds
return None
else:
return None
def _get_dxcc_data_for_callsign(self, call) -> dict | None:
"""Utility method to get generic DXCC data from our lookup table, if we can find it"""
for pattern, entity_code in DATA_STORE.dxcc_lookup_by_call_regex:
if pattern.match(call):
return DATA_STORE.dxcc_data[entity_code]
return None
def stop(self):
"""Shutdown method to close down any caches neatly."""
self._qrz_callsign_data_cache.close()
self._hamqth_callsign_data_cache.close()
self._clublog_callsign_data_cache.close()
# Singleton object
lookup_helper = LookupHelper()
return callsign
core/sig_lookup_helper.py
+27 -14
View File
@@ -4,21 +4,20 @@ from pyhamtools.locator import locator_to_latlong, latlong_to_locator
from core.data_store import DATA_STORE
from core.geo_utils import wab_wai_square_to_lat_lon
from data.sig_ref import SIGRef
def populate_sig_ref_info(sig_ref):
"""Look up details of a SIG reference (e.g. POTA park) such as name, lat/lon, and grid. Takes in a sig_ref object
which must at minimum have a "sig" and an "id". The rest of the object will be populated and returned. This makes
def get_sig_ref_info(sig, ref_id):
"""Look up details of a SIG reference (e.g. POTA park) such as name, lat/lon, and grid. Takes in a sig name and
a reference ID (both strings) and returns a SigRef object populated with as much data as we can find. This makes
use of SIG ref data in the data store, live lookups from the web, or just automatic calculation depending on which
SIG we are getting data for. Any data currently in the object will be kept, only missing data in the object will
be populated if it can be determined."""
SIG we are getting data for."""
if sig_ref.sig is None or sig_ref.sig == "" or sig_ref.id is None or sig_ref.id == "":
logging.debug("Failed to look up sig_ref info, sig or id were not set.")
return sig_ref
if sig is None or sig == "" or ref_id is None or ref_id == "":
logging.debug("Failed to look up sig_ref info, sig or ref were not set.")
return None
sig = sig_ref.sig
ref_id = sig_ref.id
sig_ref = SIGRef(sig=sig, id=ref_id)
try:
### FUDGES ###
@@ -81,10 +80,8 @@ def populate_sig_ref_info(sig_ref):
key = sig + ":" + ref_id
lookup_data = DATA_STORE.sigrefs.get(key) if key in DATA_STORE.sigrefs else None
if lookup_data:
# Copy new sig ref data into existing object where data was previously missing
for key, value in lookup_data.__dict__.items():
if value is not None and sig_ref.__dict__.get(key) is None:
sig_ref.__dict__[key] = value
return lookup_data
else:
# Maybe a super new reference we don't know about yet, but more likely a typo or a test reference,
# just silently ignore it.
@@ -93,3 +90,19 @@ def populate_sig_ref_info(sig_ref):
except Exception:
logging.error("Exception when looking up sig_ref info for " + sig + " ref " + ref_id, exc_info=True)
return sig_ref
def populate_missing_sig_ref_info(sig_ref):
"""Look up details of a SIG reference (e.g. POTA park) such as name, lat/lon, and grid. Takes in a sig_ref object
which must at minimum have a "sig" and an "id". The rest of the object will be populated and returned. Any data
currently in the object will be kept, only missing data in the object will be populated if it can be determined."""
lookup_data = get_sig_ref_info(sig_ref.sig, sig_ref.id)
if lookup_data:
# Copy new sig ref data into existing object where data was previously missing
for key, value in lookup_data.__dict__.items():
if value is not None and sig_ref.__dict__.get(key) is None:
sig_ref.__dict__[key] = value
return sig_ref