don't modify keyvals in globify()

Signed-off-by: Martin Raspaud <martin.raspaud@smhi.se>
pytroll · Jun 12, 2015 · 698fdf6 · 698fdf6
1 parent 91e8b16
commit 698fdf6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/trollsift/parser.py b/trollsift/parser.py
@@ -303,7 +303,8 @@ def globify(fmt, keyvals=None):
 
     if keyvals is None:
         keyvals = {}
-
+    else:
+        keyvals = keyvals.copy()
     parsedef, _ = _extract_parsedef(fmt)
     all_keys, all_vals = _collect_keyvals_from_parsedef(parsedef)
     replace_str = ''