Extended filenames as dict

Closes #102 (closed)

pyotb/core.py

@@ -783,16 +783,16 @@ class App(OTBObject):
                 splits = [pair.split("=") for pair in ext_str.split("&")]
                 return dict(split for split in splits if len(split) == 2)
 
-            gen_ext_fname = _str2dict(ext_fname) \
-                if isinstance(ext_fname, str) else ext_fname
+            if isinstance(ext_fname, str):
+                ext_fname = _str2dict(ext_fname)
 
             logger.debug("%s: extended filename for all outputs:", self.name)
-            for key, ext in gen_ext_fname.items():
+            for key, ext in ext_fname.items():
                 logger.debug("%s: %s", key, ext)
 
             for key, filepath in kwargs.items():
                 if self._out_param_types[key] == otb.ParameterType_OutputImage:
-                    new_ext_fname = gen_ext_fname.copy()
+                    new_ext_fname = ext_fname.copy()
 
                     # grab already set extended filename key/values
                     if "?&" in filepath: