- [API] introduce QgsMessageLog::MessageLevel and change logMessage()…

… level

  parameter to that type
- change default level to WARNING
- change startup messages to INFO
- don't unhide the warning button for INFO messages
- fix warnings produced by python code

python/core/qgsmessagelog.sip

@@ -7,8 +7,15 @@ class QgsMessageLog
   public:
     static QgsMessageLog *instance();
 
+    enum MessageLevel
+    {
+      INFO = 0,
+      WARNING = 1,
+      CRITICAL = 2
+    };
+
     //! add a message to the instance (and create it if necessary)
-    static void logMessage( QString message, QString tag = QString::null, int level = 0 );
+    static void logMessage( QString message, QString tag = QString::null, MessageLevel level = WARNING);
 
   signals:
     void messageReceived( QString message, QString tag, int level );
@@ -34,5 +41,5 @@ class QgsMessageLogConsole : QObject
     QgsMessageLogConsole();
 
   public slots:
-    void logMessage( QString message, QString tag, int level );
+    void logMessage( QString message, QString tag, QgsMessageLog::MessageLevel level );
 };

python/plugins/GdalTools/tools/GdalTools_utils.py

@@ -35,9 +35,8 @@
 from qgis.core import *
 from qgis.gui import *
 
-from osgeo import gdal
+from osgeo import gdal, ogr
 from osgeo.gdalconst import *
-from osgeo import ogr
 
 import os
 # to know the os

python/plugins/sextante/core/GeoAlgorithm.py

@@ -41,7 +41,6 @@ def __init__(self):
 
         self.defineCharacteristics()
 
-
     def getCopy(self):
         newone = copy.copy(self)
         newone.parameters = copy.deepcopy(self.parameters)
@@ -106,8 +105,8 @@ def checkParameterValuesBeforeExecuting(self):
         This check is called from the parameters dialog, and also when calling from the console'''
         return None
     #=========================================================
-        
-    
+
+
     def execute(self, progress):
         '''The method to use to call a SEXTANTE algorithm.
         Although the body of the algorithm is in processAlgorithm(),
@@ -120,9 +119,9 @@ def execute(self, progress):
             self.resolveTemporaryOutputs()
             self.checkOutputFileExtensions()
             self.runPreExecutionScript(progress)
-            self.processAlgorithm(progress)                  
+            self.processAlgorithm(progress)
             self.convertUnsupportedFormats(progress)
-            self.runPostExecutionScript(progress)          
+            self.runPostExecutionScript(progress)
         except GeoAlgorithmExecutionException, gaee:
             SextanteLog.addToLog(SextanteLog.LOG_ERROR, gaee.msg)
             raise gaee
@@ -144,49 +143,49 @@ def execute(self, progress):
     def runPostExecutionScript(self, progress):
         scriptFile = SextanteConfig.getSetting(SextanteConfig.POST_EXECUTION_SCRIPT)
         self.runHookScript(scriptFile, progress);
-    
+
     def runPreExecutionScript(self, progress):
         scriptFile = SextanteConfig.getSetting(SextanteConfig.PRE_EXECUTION_SCRIPT)
         self.runHookScript(scriptFile, progress);
-        
-    def runHookScript(self, filename, progress):                    
+
+    def runHookScript(self, filename, progress):
         if not os.path.exists(filename):
             return
-        try: 
+        try:
             script = "import sextante\n"
             ns = {}
             ns['progress'] = progress
-            ns['alg'] = self                
+            ns['alg'] = self
             f = open(filename)
             lines = f.readlines()
             for line in lines:
                 script+=line
-            exec(script) in ns        
+            exec(script) in ns
         except: # a wrong script should not cause problems, so we swallow all exceptions
             pass
-    
+
     def convertUnsupportedFormats(self, progress):
         i = 0
         progress.setText("Converting outputs")
-        for out in self.outputs:            
-            if isinstance(out, OutputVector): 
+        for out in self.outputs:
+            if isinstance(out, OutputVector):
                 if out.compatible is not None:
                     layer = QGisLayers.getObjectFromUri(out.compatible)
                     provider = layer.dataProvider()
                     writer = out.getVectorWriter( provider.fields(), provider.geometryType(), provider.crs())
                     features = QGisLayers.features(layer)
                     for feature in features:
                         writer.addFeature(feature)
-            elif isinstance(out, OutputRaster): 
+            elif isinstance(out, OutputRaster):
                 if out.compatible is not None:
                     layer = QGisLayers.getObjectFromUri(out.compatible)
                     provider = layer.dataProvider()
                     writer = QgsRasterFileWriter(out.value)
                     format = self.getFormatShortNameFromFilename(out.value)
-                    writer.setOutputFormat(format);                                     
-                    writer.writeRaster(layer.pipe(), layer.width(), layer.height(), layer.extent(), layer.crs())                        
-            progress.setPercentage(100 * i / float(len(self.outputs)))                    
-            
+                    writer.setOutputFormat(format);
+                    writer.writeRaster(layer.pipe(), layer.width(), layer.height(), layer.extent(), layer.crs())
+            progress.setPercentage(100 * i / float(len(self.outputs)))
+
     def getFormatShortNameFromFilename(self, filename):
         ext = filename[filename.rfind(".")+1:]
         supported = GdalUtils.getSupportedRasters()
@@ -195,7 +194,7 @@ def getFormatShortNameFromFilename(self, filename):
             if ext in exts:
                 return name
         return "GTiff"
-            
+
     def checkOutputFileExtensions(self):
         '''Checks if the values of outputs are correct and have one of the supported output extensions.
         If not, it adds the first one of the supported extensions, which is assumed to be the default one'''

python/plugins/sextante/gdal/GdalOgrAlgorithmProvider.py

@@ -81,11 +81,13 @@ def _loadAlgorithms(self):
         self.algs = self.preloadedAlgs
 
     def createAlgsList(self):
-        #First we populate the list of algorihtms with those created extending
+        #First we populate the list of algorithms with those created extending
         #GeoAlgorithm directly (those that execute GDAL using the console)
+
         self.preloadedAlgs = [nearblack(), information(), warp(), translate(),
                               rgb2pct(), pct2rgb(), merge(), polygonize(), gdaladdo(),
                               OgrInfo(), Ogr2Ogr(), OgrSql()]
+
         #And then we add those that are created as python scripts
         folder = self.scriptsFolder()
         for descriptionFile in os.listdir(folder):

python/plugins/sextante/gdal/GdalUtils.py

@@ -28,7 +28,12 @@
 import subprocess
 from sextante.core.SextanteLog import SextanteLog
 import os
-import gdal
+
+try:
+  from osgeo import gdal
+  gdalAvailable = True
+except:
+  gdalAvailable = False
 
 class GdalUtils():
 
@@ -57,6 +62,9 @@ def getConsoleOutput():
 
     @staticmethod
     def getSupportedRasters():
+        if not gdalAvailable:
+            return {}
+
         '''this has been adapted from GdalTools plugin'''
         if GdalUtils.supportedRasters != None:
             return GdalUtils.supportedRasters
@@ -76,7 +84,7 @@ def getSupportedRasters():
             if not metadata.has_key(gdal.DCAP_CREATE) or metadata[gdal.DCAP_CREATE] != 'YES':
                 continue
             if metadata.has_key(gdal.DMD_EXTENSION):
-                extensions = metadata[gdal.DMD_EXTENSION].split("/")                                
+                extensions = metadata[gdal.DMD_EXTENSION].split("/")
                 if extensions:
                     GdalUtils.supportedRasters[shortName] = extensions
 

python/plugins/sextante/gdal/OgrAlgorithm.py

@@ -30,7 +30,12 @@
 from PyQt4.QtGui import *
 import string
 import re
-import ogr
+
+try:
+  from osgeo import ogr
+  ogrAvailable = True
+except:
+  ogrAvailable = False
 
 class OgrAlgorithm(GeoAlgorithm):
 
@@ -61,8 +66,9 @@ def ogrConnectionString(self, uri):
 
     def drivers(self):
         list = []
-        for iDriver in range(ogr.GetDriverCount()):
-            list.append("%s" % ogr.GetDriver(iDriver).GetName())
+        if ogrAvailable:
+            for iDriver in range(ogr.GetDriverCount()):
+                list.append("%s" % ogr.GetDriver(iDriver).GetName())
         return list
 
     def failure(self, pszDataSource):

python/plugins/sextante/gdal/ogr2ogr.py

@@ -39,10 +39,12 @@
 import re
 import os
 import tempfile
-import ogr
-import gdal
-import osr
 
+try:
+  from osgeo import gdal, ogr, osr
+  gdalAvailable = True
+except:
+  gdalAvailable = False
 
 GeomOperation = Enum(["NONE", "SEGMENTIZE", "SIMPLIFY_PRESERVE_TOPOLOGY"])
 
@@ -71,6 +73,10 @@ def defineCharacteristics(self):
     def processAlgorithm(self, progress):
         '''Here is where the processing itself takes place'''
 
+        if not gdalAvailable:
+            SextanteLog.addToLog(SextanteLog.LOG_ERROR, "GDAL bindings not installed." )
+            return
+
         input = self.getParameterValue(self.INPUT_LAYER)
         ogrLayer = self.ogrConnectionString(input)
         output = self.getOutputValue(self.OUTPUT_LAYER)

python/plugins/sextante/gdal/ogrinfo.py

@@ -30,7 +30,13 @@
 from PyQt4.QtGui import *
 import string
 import re
-import ogr
+
+try:
+  from osgeo import ogr
+  ogrAvailable = True
+except:
+  ogrAvailable = False
+
 from sextante.gdal.OgrAlgorithm import OgrAlgorithm
 
 class OgrInfo(OgrAlgorithm):
@@ -71,6 +77,10 @@ def ogrinfo(self, pszDataSource):
         bSummaryOnly = True
         self.info = ''
 
+        if not ogrAvailable:
+            self.info = "OGR bindings not installed"
+            return
+
         qDebug("Opening data source '%s'" % pszDataSource)
         poDS = ogr.Open( pszDataSource, False )
 

python/plugins/sextante/gdal/ogrsql.py

@@ -33,7 +33,13 @@
 from PyQt4.QtGui import *
 import string
 import re
-import ogr
+
+try:
+  from osgeo import ogr
+  ogrAvailable = True
+except:
+  ogrAvailable = False
+
 from sextante.gdal.OgrAlgorithm import OgrAlgorithm
 
 class OgrSql(OgrAlgorithm):
@@ -58,6 +64,10 @@ def defineCharacteristics(self):
 
 
     def processAlgorithm(self, progress):
+        if not ogrAvailable:
+            SextanteLog.addToLog(SextanteLog.LOG_ERROR, "OGR bindings not installed" )
+            return
+
         input = self.getParameterValue(self.INPUT_LAYER)
         sql = self.getParameterValue(self.SQL)
         ogrLayer = self.ogrConnectionString(input)

python/plugins/sextante/gdal/pyogr/ogr2ogr.py

@@ -29,9 +29,12 @@
 import sys
 import os
 import stat
-import ogr
-import gdal
-import osr
+
+try:
+  from osgeo import gdal, ogr, osr
+  gdalAvailable = True
+except:
+  gdalAvailable = False
 
 ###############################################################################
 
@@ -127,7 +130,7 @@ def flush(self):
 bSkipFailures = False
 nGroupTransactions = 200
 bPreserveFID = False
-nFIDToFetch = ogr.NullFID
+nFIDToFetch = ogr.NullFID if gdalAvailable else None
 
 class Enum(set):
     def __getattr__(self, name):
@@ -1593,6 +1596,9 @@ def TranslateLayer(poSrcDS, poSrcLayer, poDstDS, papszLCO, pszNewLayerName, \
     return True
 
 if __name__ == '__main__':
+    if not gdalAvailable:
+        print('ERROR: Python bindings of GDAL 1.8.0 or later required')
+
     version_num = int(gdal.VersionInfo('VERSION_NUM'))
     if version_num < 1800: # because of ogr.GetFieldTypeName
         print('ERROR: Python bindings of GDAL 1.8.0 or later required')

python/plugins/sextante/gdal/pyogr/ogrds.py

@@ -23,7 +23,7 @@
 # This will get replaced with a git SHA1 when you do a git archive
 __revision__ = '$Format:%H$'
 
-import ogr
+from osgeo import ogr
 
 class OgrDs:
 

python/plugins/sextante/gdal/pyogr/ogrvrt.py

@@ -28,8 +28,9 @@
 import re
 import cgi
 import sys
-import ogr
-import gdal
+
+from osgeo import gdal, ogr
+
 from string import Template
 import os
 import tempfile

python/plugins/sextante/gdal/scripts/fillnodata.py

@@ -31,12 +31,7 @@
 ##[GDAL] Analysis=group
 from sextante.gdal.GdalUtils import GdalUtils
 
-try:
-    from osgeo import gdal, ogr
-except ImportError:
-    import gdal
-    import ogr
-
+from osgeo import gdal, ogr
 
 def CopyBand( srcband, dstband ):
     for line in range(srcband.YSize):
@@ -73,4 +68,4 @@ def CopyBand( srcband, dstband ):
 
 src_ds = None
 dst_ds = None
-mask_ds = None
+mask_ds = None

python/plugins/sextante/gdal/scripts/sieve.py

@@ -32,11 +32,7 @@
 ##connectedness=selection 4;8
 from sextante.gdal.GdalUtils import GdalUtils
 
-try:
-    from osgeo import gdal, ogr
-except ImportError:
-    import gdal
-    import ogr
+from osgeo import gdal, ogr
 
 threshold = 2
 connectedness=int(connectedness)

python/utils.py

@@ -43,6 +43,7 @@
 # ERROR HANDLING
 
 warnings.simplefilter('default')
+warnings.filterwarnings("ignore", "the sets module is deprecated")
 
 def showWarning(message, category, filename, lineno, file=None, line=None):
   QgsMessageLog.logMessage(