fix for #671 wrap regcomp in try/except to clearly deal with bad rege…

…xes.
MetPX · May 29, 2023 · b0ae154 · b0ae154
1 parent 561fdd6
commit b0ae154
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/sarracenia/config.py b/sarracenia/config.py
@@ -891,7 +891,12 @@ def _varsub(self, word):
     def _build_mask(self, option, arguments):
         """ return new entry to be appended to list of masks
        """
-        regex = re.compile(arguments[0])
+        try:
+            regex = re.compile(arguments[0])
+        except:
+            logger.critical( f"invalid regular expression: {arguments[0]}, ignored." )
+            return None
+
         if len(arguments) > 1:
             fn = arguments[1]
         else: