Merge pull request #4206 from volaya/fix_processing_provider_update

[processing] fixed update of toolbox after editing script providers

Author: volaya

python/plugins/processing/core/Processing.py

@@ -172,11 +172,12 @@ def removeScripts(folder):
     def updateAlgsList():
         """Call this method when there has been any change that
         requires the list of algorithms to be created again from
-        algorithm providers.
+        algorithm providers. Use reloadProvider() for a more fine-grained
+        update.
         """
         QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
         for p in Processing.providers:
-            Processing.reloadProvider(p)
+            Processing.reloadProvider(p.id())
         QApplication.restoreOverrideCursor()
 
     @staticmethod

python/plugins/processing/core/alglist.py

@@ -38,16 +38,14 @@ class AlgorithmList(QObject):
     # and values are list with all algorithms from that provider
     algs = {}
 
-    providers = []
-
     def removeProvider(self, provider_id):
         if provider_id in self.algs:
             del self.algs[provider_id]
 
         QgsApplication.processingRegistry().removeProvider(provider_id)
 
     def reloadProvider(self, provider_id):
-        for p in self.providers:
+        for p in QgsApplication.processingRegistry().providers():
             if p.id() == provider_id:
                 p.loadAlgorithms()
                 self.algs[p.id()] = {a.commandLineName(): a for a in p.algs}

python/plugins/processing/gui/CreateNewScriptAction.py

@@ -62,8 +62,3 @@ def execute(self):
         if self.scriptType == self.SCRIPT_R:
             dlg = ScriptEditorDialog(ScriptEditorDialog.SCRIPT_R, None)
         dlg.show()
-        if dlg.update:
-            if self.scriptType == self.SCRIPT_PYTHON:
-                algList.reloadProvider('script')
-            elif self.scriptType == self.SCRIPT_R:
-                algList.reloadProvider('r')

python/plugins/processing/gui/EditScriptAction.py

@@ -50,9 +50,3 @@ def isEnabled(self):
     def execute(self):
         dlg = ScriptEditorDialog(self.scriptType, self.itemData)
         dlg.show()
-        dlg.exec_()
-        if dlg.update:
-            if self.scriptType == ScriptEditorDialog.SCRIPT_PYTHON:
-                algList.reloadProvider('script')
-            elif self.scriptType == ScriptEditorDialog.SCRIPT_R:
-                algList.reloadProvider('r')

python/plugins/processing/gui/ProcessingToolbox.py

@@ -385,7 +385,7 @@ def __init__(self, provider_id, tree, toolbox):
 
     def refresh(self):
         self.takeChildren()
-        Processing.updateAlgsList()
+        #Processing.updateAlgsList()
         self.populate()
 
     def populate(self):

python/plugins/processing/gui/ScriptEditorDialog.py

@@ -49,6 +49,7 @@
 from processing.algs.r.RUtils import RUtils
 from processing.script.ScriptAlgorithm import ScriptAlgorithm
 from processing.script.ScriptUtils import ScriptUtils
+from processing.core.alglist import algList
 
 pluginPath = os.path.split(os.path.dirname(__file__))[0]
 WIDGET, BASE = uic.loadUiType(
@@ -169,12 +170,21 @@ def closeEvent(self, evt):
                                        QMessageBox.Yes | QMessageBox.No, QMessageBox.No
                                        )
             if ret == QMessageBox.Yes:
+                self.updateProviders()
                 evt.accept()
             else:
                 evt.ignore()
         else:
+            self.updateProviders()
             evt.accept()
 
+    def updateProviders(self):
+        if self.update:
+            if self.algType == self.SCRIPT_PYTHON:
+                algList.reloadProvider('script')
+            elif self.algType == self.SCRIPT_R:
+                algList.reloadProvider('r')
+
     def editHelp(self):
         if self.alg is None:
             if self.algType == self.SCRIPT_PYTHON: