Make season specifier optional

src/worldcereal/seasons.py

@@ -166,15 +166,17 @@ def season_doys_to_dates(
     return (start_date.strftime("%Y-%m-%d"), end_date.strftime("%Y-%m-%d"))
 
 
-def get_processing_dates_for_extent(extent: BoundingBoxExtent, season: str, year: int):
+def get_processing_dates_for_extent(
+    extent: BoundingBoxExtent, year: int, season: str = "tc-annual"
+):
     """Function to retrieve required temporal range of input products for a
     given extent, season and year. Based on the requested season's end date
     a temporal range is inferred that spans an entire year.
 
     Args:
         extent (BoundingBoxExtent): extent for which to infer dates
-        season (str): season identifier for which to infer dates
         year (int): year in which the end of season needs to be
+        season (str): season identifier for which to infer dates. Defaults to tc-annual
 
     Raises:
         ValueError: invalid season specified

tests/worldcerealtests/test_seasons.py

@@ -41,12 +41,14 @@ def test_doy_to_date_after():
 
 
 def test_get_processing_dates_for_extent():
+    # Test to check if we can infer processing dates for default season
+    # tc-annual
     bounds = (574680, 5621800, 575320, 5622440)
     epsg = 32631
     year = 2021
     extent = BoundingBoxExtent(*bounds, epsg)
 
-    start_date, end_date = get_processing_dates_for_extent(extent, "tc-annual", year)
+    start_date, end_date = get_processing_dates_for_extent(extent, year)
 
     assert pd.to_datetime(end_date).year == year
     assert pd.to_datetime(end_date) - pd.to_datetime(start_date) == pd.Timedelta(