_substitute_rules became a class field

beetsplug/substitute.py

@@ -1,40 +1,24 @@
-# This file is part of beets.
-# Copyright 2016, Adrian Sampson.
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-
-"""Uses user-specified substituting rules to canonicalize names for path
-formats without modifying the tags of the songs.
-"""
 from beets.plugins import BeetsPlugin
 import re
 
-_substitute_rules = []
-
 class Substitute(BeetsPlugin):
-    def __init__(self):
-        super(Substitute, self).__init__()
-        self.template_funcs['substitute'] = _tmpl_substitute
-
-        for key, view in self.config.items():
-            value = view.as_str()
-            pattern = re.compile(key.lower())
-            _substitute_rules.append((pattern, value))
-
-def _tmpl_substitute(text):
+    def tmpl_substitute(self, text):
         if text:
-         for pattern, replacement in _substitute_rules:
+            for pattern, replacement in self.substitute_rules:
                 if pattern.match(text.lower()):
                     return replacement
             return text
         else:
             return u''
+
+    
+    def __init__(self):
+        super(Substitute, self).__init__()
+        self.substitute_rules = []
+        self.template_funcs['substitute'] = self.tmpl_substitute
+
+        for key, view in self.config.items():
+            value = view.as_str()
+            pattern = re.compile(key.lower())
+            self.substitute_rules.append((pattern, value))
+