Implement basic API server

core/utils.py

@@ -1,6 +1,10 @@
-from core.constants import BANDS, UNKNOWN_BAND, CW_MODES, PHONE_MODES, DATA_MODES, ALL_MODES
+import logging
+from datetime import datetime
+
 from pyhamtools import LookupLib, Callinfo
 
+from core.constants import BANDS, UNKNOWN_BAND, CW_MODES, PHONE_MODES, DATA_MODES, ALL_MODES
+
 # Static lookup helpers from pyhamtools
 # todo in future add QRZ as a second lookup option in case it provides more data?
 lookuplib = LookupLib(lookuptype="countryfile")
@@ -23,7 +27,7 @@ def infer_mode_family_from_mode(mode):
         return "DATA"
     else:
         if mode.upper() != "OTHER":
-            print("Found an unrecognised mode: " + mode + ". Developer should categorise this.")
+            logging.warn("Found an unrecognised mode: " + mode + ". Developer should categorise this.")
         return None
 
 # Infer a band from a frequency in kHz
@@ -66,4 +70,12 @@ def infer_itu_zone_from_callsign(call):
     try:
         return callinfo.get_ituz(call)
     except KeyError as e:
-        return None
+        return None
+
+# Convert objects to serialisable things. Used by JSON serialiser as a default when it encounters unserializable things.
+# Converts datetimes to ISO.
+# Anything else it tries to convert to a dict.
+def serialize_everything(obj):
+    if isinstance(obj, datetime):
+        return obj.isoformat()
+    return obj.__dict__