bugfix

README.md

@@ -84,4 +84,5 @@ if you running it on window, it will show the following:
 Build app for android please see [Buildozer](https://github.com/kivy/buildozer)
 kivy introduct and API please see [kivy](https://kivy.org)
 
-
+## Changelog
+[changelog](docs/changelog.md)

docs/changelog.md

@@ -3,4 +3,5 @@
 ## version 0.3.0
 add script to support local .tmpl and .dspy file translation. it can build dynamic user interface without remote server.
 
-
+## version 0.3.1
+* uses weakref to collect all the i18n widgets in i18n.py

kivyblocks/i18n.py

@@ -1,6 +1,6 @@
 import os
 import codecs
-
+from weakref import ref
 import locale
 from kivy.app import App
 from kivy.properties import StringProperty
@@ -18,7 +18,7 @@ class I18n:
 		self.i18nWidgets = []
 
 	def addI18nWidget(self,w):
-		self.i18nWidgets.append(w)
+		self.i18nWidgets.append(ref(w))
 	
 	def loadI18nFromI18nFolder(self, lang):
 		config = gtConfig()
@@ -63,6 +63,8 @@ class I18n:
 		if not d:
 			self.loadI18n(lang)
 		self.lang = lang
+		ws = [ w for w in self.i18nWidgets if w is not None ]
+		self.i18nWidgets = ws
 		for w in self.i18nWidgets:
 			w.changeLang(lang)