Resetting utils subtree.

models/finstitutions/trading/symbols.py

@@ -177,7 +177,7 @@ class TradingSymbol(BaseModel):
             strike = instrument["strike"],
             expiryTs = date_time.to_timezone(
                 datetime_object = datetime.datetime.combine(
-                    instrument["expiry"],
+                    TradingSymbol.parse_date_time(instrument["expiry"]),
                     datetime.time(hour = 0, minute = 0, second = 0)
                 ),
                 timezone = date_time.TIMEZONE_UTC
@@ -190,23 +190,33 @@ class TradingSymbol(BaseModel):
     # ┗┛┗┻┗┗┗┻┗┻┗┗┗┛┛┗
 
     @field_validator("expiryTs", mode = "before")
-    def parse_date_time(cls, value):
+    def parse_expiry(cls, value): return cls.parse_date_time(value)
 
+    @staticmethod
+    def parse_date_time(value):
+
+        # If a null value was given,
+        # we can't do anything:
         if not value: value = None
 
+        # If the input is a string:
         if isinstance(value, str):
             value = value.strip()
             value = date_time.parse_date_time(
                 input_value = value,
-                timezone = date_time.TIMEZONE_UTC
+                timezone = date_time.TIMEZONE_UTC,
+                date_formats = ["%Y-%m-%d"]
             )
 
+        # If the input is already a date-time object,
+        # we just normalize the timestamp:
         if isinstance(value, datetime.datetime):
             value = date_time.to_timezone(
                 value,
                 timezone = date_time.TIMEZONE_UTC
             )
 
+        # Done here:
         return value