Fix #193 re. lisfiles for ambiguous cases

climaf/classes.py

@@ -781,20 +781,26 @@ def baseFiles(self, force=False, ensure_dataset=True):
         for the dataset
 
         Use cached value (i.e. attribute 'files') unless called with arg force=True
+
         If ensure_dataset is True, forbid ambiguous datasets
         """
         if (force and self.project != 'file') or self.files is None:
             if ensure_dataset:
                 self.explore()
             else:
-                self.explore(option='choices')
+                cases = self.explore(option='choices')
+                list_keys = [ k for k in cases if type(cases[k]) is list and k != 'period' ]
+                if len(list_keys) > 0:
+                    clogger.error("The dataset is ambiguous on %s; its CRS is %s"%(cases,self))
+                    return None
         return self.files
 
     def listfiles(self, force=False, ensure_dataset=True):
         """ Returns the list of (local or remote) files which include the data
         for the dataset
 
         Use cached value unless called with arg force=True
+
         If ensure_dataset is True, forbid ambiguous datasets
         """
         return self.baseFiles(force=force, ensure_dataset=ensure_dataset)

doc/news.rst

@@ -6,6 +6,11 @@ What's new
 
 Changes, newest first:
 
+- V2.0.2:
+
+  - Fix `issue 193<https://github.com/rigoudyg/climaf/issues/193>` regarding behaviour of listfiles
+    for ambiguous cases
+
 - V2.0.1:
 
   - **Scripts can now process multiple ensembles, and ensembles which are not the first argument**: