[processing]fixed issue with temporal filename

(was previously solved but reverted)

python/plugins/processing/tools/dataobjects.py

@@ -95,6 +95,29 @@ def getTables():
             tables.append(layer)
     return tables
 
+def extent(layers):
+    first = True
+    for layer in layers:
+        if not isinstance(layer, (QgsRasterLayer, QgsVectorLayer)):
+            layer = getObjectFromUri(layer)
+            if layer is None:
+                continue
+        if first:
+            xmin = layer.extent().xMinimum()
+            xmax = layer.extent().xMaximum()
+            ymin = layer.extent().yMinimum()
+            ymax = layer.extent().yMaximum()
+        else:
+            xmin = min(xmin, layer.extent().xMinimum())
+            xmax = max(xmax, layer.extent().xMaximum())
+            ymin = min(ymin, layer.extent().yMinimum())
+            ymax = max(ymax, layer.extent().yMaximum())
+        first = False
+    if first:
+        return "0,0,0,0"
+    else:
+        return str(xmin) + "," + str(xmax) + "," + str(ymin) + "," + str(ymax)
+
 
 def loadList(layers):
     for layer in layers:

python/plugins/processing/tools/general.py

@@ -25,7 +25,6 @@
 __revision__ = '$Format:%H$'
 
 from qgis.core import *
-from processing.tools import dataobjects
 from processing.core.Processing import Processing
 from processing.parameters.ParameterSelection import ParameterSelection
 from processing.gui.Postprocessing import Postprocessing
@@ -70,28 +69,5 @@ def runalg(algOrName, *args):
 def runandload(name, *args):
     return Processing.runAlgorithm(name, Postprocessing.handleAlgorithmResults, *args)
 
-def extent(layers):
-    first = True
-    for layer in layers:
-        if not isinstance(layer, (QgsRasterLayer, QgsVectorLayer)):
-            layer = dataobjects.getObjectFromUri(layer)
-            if layer is None:
-                continue
-        if first:
-            xmin = layer.extent().xMinimum()
-            xmax = layer.extent().xMaximum()
-            ymin = layer.extent().yMinimum()
-            ymax = layer.extent().yMaximum()
-        else:
-            xmin = min(xmin, layer.extent().xMinimum())
-            xmax = max(xmax, layer.extent().xMaximum())
-            ymin = min(ymin, layer.extent().yMinimum())
-            ymax = max(ymax, layer.extent().yMaximum())
-        first = False
-    if first:
-        return "0,0,0,0"
-    else:
-        return str(xmin) + "," + str(xmax) + "," + str(ymin) + "," + str(ymax)
-
 
 

python/plugins/processing/tools/system.py

@@ -68,9 +68,16 @@ def getTempFilenameInTempFolder(basename):
     path = tempFolder()
     path = os.path.join(path, str(uuid.uuid4()).replace("-",""))
     mkdir(path)
+    basename = removeInvalidChars(basename)
     filename =  os.path.join(path, basename)
     return filename
 
+def removeInvalidChars(string):
+    validChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:"
+    string = ''.join(c for c in string if c in validChars)
+    return string
+
+
 NUM_EXPORTED = 1
 
 def getNumExportedLayers():