[processing] store settings using QSettings instead of in a dedicated file

python/plugins/processing/core/Processing.py

@@ -90,7 +90,7 @@ class Processing:
         try:
             provider.initializeSettings()
             Processing.providers.append(provider)
-            ProcessingConfig.loadSettings()
+            ProcessingConfig.readSettings()
             if updateList:
                 Processing.updateAlgsList()
         except:
@@ -110,7 +110,7 @@ class Processing:
         try:
             provider.unload()
             Processing.providers.remove(provider)
-            ProcessingConfig.loadSettings()
+            ProcessingConfig.readSettings()
             Processing.updateAlgsList()
         except:
             # This try catch block is here to avoid problems if the
@@ -157,7 +157,7 @@ class Processing:
         AlgorithmDecorator.loadClassification()
         ProcessingLog.startLogging()
         ProcessingConfig.initialize()
-        ProcessingConfig.loadSettings()
+        ProcessingConfig.readSettings()
         RenderingStyles.loadStyles()
         Processing.loadFromProviders()
 

python/plugins/processing/core/ProcessingConfig.py

@@ -129,6 +129,7 @@ class ProcessingConfig:
 
     @staticmethod
     def getSettings():
+        '''Return settings as a dict with group names as keys and lists of settings as values'''
         settings = {}
         for setting in ProcessingConfig.settings.values():
             if not setting.group in settings:
@@ -139,34 +140,12 @@ class ProcessingConfig:
             group.append(setting)
         return settings
 
-    @staticmethod
-    def configFile():
-        return os.path.join(userFolder(), 'processing.conf')
 
     @staticmethod
-    def loadSettings():
-        if not os.path.isfile(ProcessingConfig.configFile()):
-            return
-        lines = open(ProcessingConfig.configFile())
-        line = lines.readline().strip('\n')
-        while line != '':
-            tokens = line.split('=')
-            if tokens[0] in ProcessingConfig.settings.keys():
-                setting = ProcessingConfig.settings[tokens[0]]
-                if isinstance(setting.value, bool):
-                    setting.value = tokens[1].strip('\n\r ') == str(True)
-                else:
-                    setting.value = tokens[1].strip('\n\r ')
-                ProcessingConfig.addSetting(setting)
-            line = lines.readline().strip('\n')
-        lines.close()
-
-    @staticmethod
-    def saveSettings():
-        fout = open(ProcessingConfig.configFile(), 'w')
+    def readSettings():        
         for setting in ProcessingConfig.settings.values():
-            fout.write(str(setting) + '\n')
-        fout.close()
+            setting.read()
+                   
 
     @staticmethod
     def getSetting(name):
@@ -179,7 +158,7 @@ class ProcessingConfig:
     def setSettingValue(name, value):
         if name in ProcessingConfig.settings.keys():
             ProcessingConfig.settings[name].value = value
-            ProcessingConfig.saveSettings()
+            ProcessingConfig.settings[name].save()
 
 
 class Setting:
@@ -192,11 +171,23 @@ class Setting:
     def __init__(self, group, name, description, default, hidden=False, valuetype = None):
         self.group = group
         self.name = name
+        self.qname = "Processing/Configuration/" + self.name
         self.description = description
         self.default = default
         self.value = default
         self.hidden = hidden
         self.valuetype = valuetype
+        
+    def read(self):
+        qsettings = QSettings()        
+        value = qsettings.value(self.qname, None)
+        if value is not None:
+            if isinstance(self.value, bool):
+                value = str(value).lower() == str(True).lower()
+            self.value = value
+    
+    def save(self):
+        QSettings().setValue(self.qname, self.value)
 
     def __str__(self):
         return self.name + '=' + str(self.value)

python/plugins/processing/gui/ConfigDialog.py

@@ -145,8 +145,9 @@ class ConfigDialog(QDialog, Ui_DlgConfig):
                     return
             else:
                 setting.value = unicode(self.items[setting].text())
-            ProcessingConfig.addSetting(setting)
-        ProcessingConfig.saveSettings()
+            setting.save()
+            #ProcessingConfig.addSetting(setting)
+        #ProcessingConfig.saveSettings()
         self.toolbox.updateTree()
 
         QDialog.accept(self)