force sdac prices to be in sdac resolution

entsoe/entsoe.py

@@ -24,7 +24,7 @@
 warnings.filterwarnings('ignore', category=XMLParsedAsHTMLWarning)
 
 __title__ = "entsoe-py"
-__version__ = "0.6.16"
+__version__ = "0.6.17"
 __author__ = "EnergieID.be, Frank Boerman"
 __license__ = "MIT"
 
@@ -1258,7 +1258,18 @@ def _query_day_ahead_prices(
             end=end,
             offset=offset
         )
-        series = parse_prices(text)[resolution]
+        series_all = parse_prices(text)
+        series = series_all[resolution]
+        # For now Day Ahead SDAC should always return at least 60 min
+        # if there is either no 60 min data at all or 60 and 15/30 but none overlapping then force it to be 60 min
+        if resolution == '60min' and len(series_all['60min']) == 0:
+            for res in ['15min', '30min']:
+                if len(series_all[res]) != 0:
+                    return series_all[res].resample('h').first()
+        elif resolution == '60min' and sum([len(x) > 0 for x in series_all.values()]) > 1:
+            for res in ['15min', '30min']:
+                if len(series_all['60min'].index.intersection(series_all[res])) == 0 and len(series_all[res]) > 0:
+                    return pd.concat([series_all['60min'], series_all[res]]).resample('h').first()
 
         if len(series) == 0:
             raise NoMatchingDataError