fix: allow empty string '' from Argo for start and end dates TDE-1346

scripts/cli/cli_helper.py

@@ -80,11 +80,17 @@ def is_argo() -> bool:
     return bool(environ.get("ARGO_TEMPLATE"))
 
 
-def valid_date(s: str) -> datetime:
+def valid_date(s: str) -> datetime | None:
+    print("before")
+    print(s)
+    print("after")
+    if not s:
+        print("inside if statement")
+        return None
     try:
         return parse_rfc_3339_date(s)
     except ValueError as e:
-        msg = f"not a valid date: {s}"
+        msg = f"valid_date: not a valid date: {s}"
         raise argparse.ArgumentTypeError(msg) from e
 
 

scripts/datetimes.py

@@ -31,7 +31,7 @@ def format_rfc_3339_nz_midnight_datetime_string(datetime_object: datetime) -> st
     try:
         nz_datetime = parser.parse(naive_midnight_datetime_string).replace(tzinfo=nz_tz)
     except parser.ParserError as err:
-        raise Exception(f"Not a valid date: {err}") from err
+        raise Exception(f"Not a valid date FIXME: {err}") from err
 
     utc_tz = tz.gettz("UTC")
     datetime_utc = nz_datetime.astimezone(utc_tz)

scripts/standardise_validate.py

@@ -126,6 +126,7 @@ def report_non_visual_qa_errors(file: FileTiff) -> None:
 
 def main() -> None:
     arguments = parse_args()
+    print(arguments.start_datetime, arguments.end_datetime)
 
     standardising_config = StandardisingConfig(
         gdal_preset=arguments.preset,