implement save for all cloudproducts.

Signed-off-by: Martin Raspaud <martin.raspaud@smhi.se>

mpop/satin/nc_pps_l2.py

@@ -184,6 +184,15 @@ def is_loaded(self):
         return True
         # return len(self._projectables) > 0
 
+    def save(self, filename, old=True, **kwargs):
+        del kwargs
+        if old:
+            from nwcsaf_formats.ppsv2014_to_oldformat import write_product
+            write_product(self, filename)
+
+        else:
+            raise NotImplementedError("Can't save to new pps format yet.")
+
 
 class PPSReader(Reader):
 
@@ -405,14 +414,6 @@ def __init__(self, filename=None):
         NwcSafPpsChannel.__init__(self, filename)
         self.name = "CT"
 
-    def save(self, filename, old=True, **kwargs):
-        del kwargs
-        if old:
-            from nwcsaf_formats.ppsv2014_to_oldformat import write_cloudtype
-            write_cloudtype(self, filename)
-
-        else:
-            raise NotImplementedError("Can't save to new pps format yet.")
 
 class CloudTopTemperatureHeight(NwcSafPpsChannel):
 
@@ -428,15 +429,6 @@ def __init__(self, filename=None):
         self.name = "CMA"
 
 
-    def save(self, filename, old=False):
-        if old:
-            from nwcsaf_formats.ppsv2014_to_oldformat import write_cloudtype
-            write_cloudtype(self, filename)
-
-        else:
-            raise NotImplementedError("Can't save to new pps format yet.")
-
-
 class PrecipitationClouds(NwcSafPpsChannel):
 
     def __init__(self, filename=None):