Fix many issues in gdal algs...

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

@@ -123,13 +123,16 @@ def parametersHaveChanged(self):
             parameters = self.dialog.createProcessingParameters()
             for output in self.algorithm().destinationParameterDefinitions():
                 if not output.name() in parameters or parameters[output.name()] is None:
-                    parameters[output.name()] = self.tr("[temporary file]")
+                    if not output.flags() & QgsProcessingParameterDefinition.FlagOptional:
+                        parameters[output.name()] = self.tr("[temporary file]")
             for p in self.algorithm().parameterDefinitions():
                 if p.flags() & QgsProcessingParameterDefinition.FlagHidden:
                     continue
 
-                if (not p.name() in parameters and not p.flags() & QgsProcessingParameterDefinition.FlagOptional) \
-                        or (not p.checkValueIsAcceptable(parameters[p.name()])):
+                if p.flags() & QgsProcessingParameterDefinition.FlagOptional and p.name() not in parameters:
+                    continue
+
+                if p.name() not in parameters or not p.checkValueIsAcceptable(parameters[p.name()]):
                     # not ready yet
                     self.text.setPlainText('')
                     return

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

@@ -250,12 +250,13 @@ def getFormatShortNameFromFilename(filename):
 
     @staticmethod
     def escapeAndJoin(strList):
-        escChars = [' ', '&', '(', ')', '"']
+        escChars = [' ', '&', '(', ')', '"', ';']
         joined = ''
         for s in strList:
             if not isinstance(s, str):
                 s = str(s)
-            if s and s[0] != '-' and any(c in s for c in escChars):
+            # don't escape if command starts with - and isn't a negative number, e.g. -9999
+            if s and re.match(r'^([^-]|-\d)', s) and any(c in s for c in escChars):
                 escaped = '"' + s.replace('\\', '\\\\').replace('"', '"""') \
                           + '"'
             else:

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

@@ -112,7 +112,7 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
             ogrLayer,
             '-dialect',
             'sqlite',
-            '-sql'
+            '-sql',
             f'SELECT ST_Line_Interpolate_Point({geometry}, {distance}) AS {geometry}{other_fields} FROM "{layerName}"'
         ]
 

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

@@ -196,7 +196,8 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
 
         if self.SRC_NODATA in parameters and parameters[self.SRC_NODATA] not in (None, ''):
             nodata = self.parameterAsString(parameters, self.SRC_NODATA, context)
-            arguments.append('-srcnodata "{}"'.format(nodata))
+            arguments.append('-srcnodata')
+            arguments.append(nodata)
 
         if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ''):
             extra = self.parameterAsString(parameters, self.EXTRA, context)

python/plugins/processing/algs/gdal/ogr2ogrtopostgislist.py

@@ -252,14 +252,14 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
         if shapeEncoding:
             arguments.append('--config')
             arguments.append('SHAPE_ENCODING')
-            arguments.append('"' + shapeEncoding + '"')
+            arguments.append(shapeEncoding)
         arguments.append('-f')
         arguments.append('PostgreSQL')
-        arguments.append('PG:"')
-        for token in QgsDataSourceUri(uri).connectionInfo(executing).split(' '):
-            arguments.append(token)
-        arguments.append('active_schema={}'.format(schema or 'public'))
-        arguments.append('"')
+
+        connection_parts = QgsDataSourceUri(uri).connectionInfo(executing).split(' ')
+        connection_parts.append('active_schema={}'.format(schema or 'public'))
+        arguments.append('PG:{}'.format(' '.join(connection_parts)))
+
         arguments.append(dimstring)
         arguments.append(ogrLayer)
         arguments.append(layername)

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

@@ -208,7 +208,7 @@ def getConsoleCommands(self, parameters, context, feedback, executing=True):
             delimiter = self.parameterAsString(parameters, self.DELIMITER, context)
             if delimiter:
                 arguments.append('-csvDelim')
-                arguments.append('"{}"'.format(delimiter))
+                arguments.append(delimiter)
 
         arguments.append('-targetDir')
         arguments.append(self.parameterAsString(parameters, self.OUTPUT, context))

python/plugins/processing/tests/GdalAlgorithmsGeneralTest.py

@@ -338,7 +338,8 @@ def testCrsConversion(self):
         self.assertEqual(GdalUtils.gdal_crs_string(QgsCoordinateReferenceSystem('ESRI:102003')), 'ESRI:102003')
 
     def testEscapeAndJoin(self):
-        self.assertEqual(GdalUtils.escapeAndJoin([1, "a", "a b", "a&b", "a(b)"]), '1 a "a b" "a&b" "a(b)"')
+        self.assertEqual(GdalUtils.escapeAndJoin([1, "a", "a b", "a&b", "a(b)", ";"]), '1 a "a b" "a&b" "a(b)" ";"')
+        self.assertEqual(GdalUtils.escapeAndJoin([1, "-srcnodata", "--srcnodata", "-9999 9999"]), '1 -srcnodata --srcnodata "-9999 9999"')
 
 
 if __name__ == '__main__':

python/plugins/processing/tests/GdalAlgorithmsRasterTest.py

@@ -1715,6 +1715,24 @@ def testRetile(self):
                  '-ps 256 256 -overlap 0 -levels 1 -s_srs EPSG:3111 -r near -ot Float32 -targetDir {} {}'.format(outdir, source)
                  ])
 
+            self.assertEqual(
+                alg.getConsoleCommands({'INPUT': [source],
+                                        'OUTPUT_CSV': 'out.csv',
+                                        'DELIMITER': '',
+                                        'OUTPUT': outdir}, context, feedback),
+                ['gdal_retile.py',
+                 '-ps 256 256 -overlap 0 -levels 1 -r near -ot Float32 -csv out.csv -targetDir {} '.format(outdir) +
+                 source])
+
+            self.assertEqual(
+                alg.getConsoleCommands({'INPUT': [source],
+                                        'OUTPUT_CSV': 'out.csv',
+                                        'DELIMITER': ';',
+                                        'OUTPUT': outdir}, context, feedback),
+                ['gdal_retile.py',
+                 '-ps 256 256 -overlap 0 -levels 1 -r near -ot Float32 -csv out.csv -csvDelim ";" -targetDir {} '.format(outdir) +
+                 source])
+
             # additional parameters
             self.assertEqual(
                 alg.getConsoleCommands({'INPUT': [source],
@@ -2588,7 +2606,7 @@ def testBuildVrt(self):
             cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
             self.assertEqual(cmd,
                              ['gdalbuildvrt',
-                              '-resolution average -separate -r nearest -srcnodata "-9999" ' +
+                              '-resolution average -separate -r nearest -srcnodata -9999 ' +
                               '-input_file_list buildvrtInputFiles.txt ' +
                               outdir + '/check.vrt'])