adde getflags functionality to dmp and baseflagger / changed isFlagged...

adde getflags functionality to dmp and baseflagger / changed isFlagged structure (now internally calls getFlags)

saqc/flagger/baseflagger.py

@@ -99,6 +99,9 @@ class BaseFlagger:
             flag = self.GOOD
         return pd.notnull(flags) & cp(flags, self._checkFlag(flag))
 
+    def getFlags(self, flags):
+        return flags
+
     def _checkFlag(self, flag):
         if flag not in self.flags:
             raise ValueError(

saqc/flagger/dmpflagger.py

@@ -71,9 +71,13 @@ class DmpFlagger(BaseFlagger):
         return flags.values
 
     def isFlagged(self, flags, flag=None, comparator=">"):
+        flagcol = self.getFlags(flags)
+        return super().isFlagged(flagcol, flag, comparator)
+
+    def getFlags(self, flags):
         flags = self._reduceColumns(flags)
         flagcol = flags.loc[:, FlagFields.FLAG].squeeze()
-        return super().isFlagged(flagcol, flag, comparator)
+        return super().getFlags(flagcol)
 
     def _reduceColumns(self, flags):
         if set(flags.columns) == set(self.flag_fields):