[processing] fix issues with exported layers in GDAL provider

(cherry picked from commit b3a38f4)

Author: alexbruy

python/plugins/processing/algs/gdal/GdalAlgorithm.py

@@ -16,8 +16,6 @@
 *                                                                         *
 ***************************************************************************
 """
-from processing.tools import dataobjects
-
 
 __author__ = 'Victor Olaya'
 __date__ = 'August 2012'
@@ -34,6 +32,7 @@
 from processing.core.GeoAlgorithm import GeoAlgorithm
 from processing.algs.gdal.GdalAlgorithmDialog import GdalAlgorithmDialog
 from processing.algs.gdal.GdalUtils import GdalUtils
+from processing.tools import dataobjects
 
 pluginPath = os.path.normpath(os.path.join(
     os.path.split(os.path.dirname(__file__))[0], os.pardir))
@@ -59,7 +58,7 @@ def processAlgorithm(self, progress):
                     c = c.replace(layer.source(), exported)
                     if os.path.isfile(layer.source()):
                         fileName = os.path.splitext(os.path.split(layer.source())[1])[0]
-                        c = c.replace(fileName, exportedFileName)
+                        c = c.replace(' ' + fileName + ' ', ' ' + exportedFileName + ' ')
 
             commands[i] = c
         GdalUtils.runGdal(commands, progress)

python/plugins/processing/tools/dataobjects.py

@@ -290,18 +290,7 @@ def exportVectorLayer(layer, supported=None):
     settings = QSettings()
     systemEncoding = settings.value('/UI/encoding', 'System')
 
-    filename = os.path.basename(unicode(layer.source()))
-    idx = filename.rfind('.')
-    if idx != -1:
-        filename = filename[:idx]
-
-    filename = unicode(layer.name())
-    validChars = \
-        'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:'
-    filename = ''.join(c for c in filename if c in validChars)
-    if len(filename) == 0:
-        filename = 'layer'
-    output = getTempFilenameInTempFolder(filename + '.shp')
+    output = getTempFilename('shp')
     provider = layer.dataProvider()
     useSelection = ProcessingConfig.getSetting(ProcessingConfig.USE_SELECTED)
     if useSelection and layer.selectedFeatureCount() != 0: