further dodgy IG dates

sysbrokers/IG/ig_utils.py

@@ -3,13 +3,13 @@
 
 def convert_ig_date(date_str):
     # possible formats:
-    # 2023-10-19T13:30:33.565
-    # 2023-10-19T13:30:33
+    # 2023-10-19T13:30:33.565 (23)
+    # 2023-10-31T15:57:48.39 (22)
+    # 2023-10-19T13:30:33 (19)
+    # PROBLEM: Unexpected format for IG date: 2023-10-31T15:57:48.39. Returning now
     try:
-        if len(date_str) == 23:
-            return datetime.datetime.strptime(date_str, "%Y-%m-%dT%H:%M:%S.%f")
-        else:
-            return datetime.datetime.strptime(date_str, "%Y-%m-%dT%H:%M:%S")
+        if len(date_str) >= 19:
+            return datetime.datetime.strptime(date_str[:19], "%Y-%m-%dT%H:%M:%S")
     except:
         print(f"PROBLEM: Unexpected format for IG date: {date_str}. Returning now")
         return datetime.datetime.now()

sysbrokers/IG/tests/test_ig.py

@@ -1,6 +1,9 @@
+import datetime
+
 import pytest
 from sysbrokers.IG.ig_instruments_data import IgFuturesInstrumentData
 from sysbrokers.IG.ig_futures_contract_data import IgFuturesContractData
+from sysbrokers.IG.ig_utils import convert_ig_date
 from sysobjects.contracts import futuresContract as fc
 from sysobjects.contract_dates_and_expiries import expiryDate
 from syscore.exceptions import missingContract
@@ -218,3 +221,14 @@ def test_expiry_dates(self):
             data.broker_futures_contract.get_actual_expiry_date_for_single_contract(
                 fc.from_two_strings("CRAP", "20220300")
             )
+
+    def test_date_formats(self):
+        assert convert_ig_date("2023-09-18T12:30:00.018") == datetime.datetime(
+            2023, 9, 18, 12, 30
+        )
+        assert convert_ig_date("2023-09-18T12:30:00.45") == datetime.datetime(
+            2023, 9, 18, 12, 30
+        )
+        assert convert_ig_date("2023-09-18T12:30:00") == datetime.datetime(
+            2023, 9, 18, 12, 30
+        )