Moved splitting into _parse_multi_options function

Author: IanLee1521

pep8.py

@@ -2081,10 +2081,10 @@ def process_options(arglist=None, parse_argv=False, config_file=None,
         options = read_config(options, args, arglist, parser)
         options.reporter = parse_argv and options.quiet == 1 and FileReport
 
-    options.filename = _parse_multi_options(options.filename.split(','))
+    options.filename = _parse_multi_options(options.filename)
     options.exclude = normalize_paths(options.exclude)
-    options.select = _parse_multi_options(options.select.split(','))
-    options.ignore = _parse_multi_options(options.ignore.split(','))
+    options.select = _parse_multi_options(options.select)
+    options.ignore = _parse_multi_options(options.ignore)
 
     if options.diff:
         options.reporter = DiffReport
@@ -2095,7 +2095,7 @@ def process_options(arglist=None, parse_argv=False, config_file=None,
     return options, args
 
 
-def _parse_multi_options(options):
+def _parse_multi_options(options, split_token=','):
     r"""Split and strip and discard empties.
 
     Turns the following:
@@ -2106,7 +2106,7 @@ def _parse_multi_options(options):
     into ["A", "B"]
     """
     if options:
-        return [o.strip() for o in options if o.strip()]
+        return [o.strip() for o in options.split(split_token) if o.strip()]
     else:
         return options