Added a set_key setter method that can also write out the changes to file

electrum

@@ -168,8 +168,7 @@ if __name__ == '__main__':
               error_message.setFixedSize(350,200)
               error_message.showMessage("<p>Sorry, the Electrum 'Lite GUI' requires Qt >= 4.7 to run. The pro GUI will be started instead.</p><p>Check your distributions packages for upgrades.</p>")
 
-              simple_config.config["gui"] = "qt"
-              simple_config.save_config()
+              simple_config.set_key("gui", "qt")
 
               app.exec_()
 

lib/simple_config.py

@@ -4,6 +4,11 @@ import os
 class SimpleConfig:
   default_options = {"gui": "lite"}
 
+  def set_key(self, key, value, save = True):
+    self.config[key] = value
+    if save == True:
+      self.save_config()
+
   def save_config(self):
     f = open(self.config_file_path(), "w+")
     f.write(json.dumps(self.config))