[server] Allow locale and group separator override

cherry-picked from master 5b586e8

python/server/auto_generated/qgsserversettings.sip.in

@@ -39,7 +39,7 @@ Load settings according to current environment variables.
 %Docstring
 Load setting for a specific environment variable name.
 
-:return: true if loading is successful, false in case of an invalid name.
+:return: TRUE if loading is successful, FALSE in case of an invalid name.
 %End
 
     void logSummary() const;
@@ -58,7 +58,7 @@ Returns the ini file loaded by QSetting.
 %Docstring
 Returns parallel rendering setting.
 
-:return: true if parallel rendering is activated, false otherwise.
+:return: TRUE if parallel rendering is activated, FALSE otherwise.
 %End
 
     int maxThreads() const;
@@ -117,6 +117,24 @@ Returns the cache size.
 Returns the cache directory.
 
 :return: the directory.
+%End
+
+    QString overrideSystemLocale() const;
+%Docstring
+Overrides system locale
+
+:return: the optional override for system locale.
+
+.. versionadded:: 3.8
+%End
+
+    bool showGroupSeparator() const;
+%Docstring
+Show group (thousand) separator
+
+:return: if group separator must be shown, default to FALSE.
+
+.. versionadded:: 3.8
 %End
 
 };

src/server/qgsserver.cpp

@@ -160,6 +160,26 @@ QString QgsServer::configPath( const QString &defaultConfigPath, const QString &
   return cfPath;
 }
 
+void QgsServer::initLocale()
+{
+  // System locale override
+  if ( ! sSettings.overrideSystemLocale().isEmpty() )
+  {
+    QLocale::setDefault( QLocale( sSettings.overrideSystemLocale() ) );
+  }
+  // Number group separator settings
+  QLocale currentLocale;
+  if ( sSettings.showGroupSeparator() )
+  {
+    currentLocale.setNumberOptions( currentLocale.numberOptions() &= ~QLocale::NumberOption::OmitGroupSeparator );
+  }
+  else
+  {
+    currentLocale.setNumberOptions( currentLocale.numberOptions() |= QLocale::NumberOption::OmitGroupSeparator );
+  }
+  QLocale::setDefault( currentLocale );
+}
+
 bool QgsServer::init()
 {
   if ( sInitialized )
@@ -195,6 +215,9 @@ bool QgsServer::init()
     QgsServerLogger::instance()->setLogStderr();
   }
 
+  // Configure locale
+  initLocale();
+
   // log settings currently used
   sSettings.logSummary();
 

src/server/qgsserver.h

@@ -148,5 +148,8 @@ class SERVER_EXPORT QgsServer
 
     //! cache
     QgsConfigCache *mConfigCache = nullptr;
+
+    //! Initialize locale
+    static void initLocale();
 };
 #endif // QGSSERVER_H

src/server/qgsserversettings.cpp

@@ -141,6 +141,29 @@ void QgsServerSettings::initSettings()
                                QVariant()
                              };
   mSettings[ sCacheSize.envVar ] = sCacheSize;
+
+  // system locale override
+  const Setting sOverrideSystemLocale = { QgsServerSettingsEnv::QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE,
+                                          QgsServerSettingsEnv::DEFAULT_VALUE,
+                                          QStringLiteral( "Override system locale" ),
+                                          QStringLiteral( "/locale/userLocale" ),
+                                          QVariant::String,
+                                          QVariant( "" ),
+                                          QVariant()
+                                        };
+  mSettings[ sOverrideSystemLocale.envVar ] = sOverrideSystemLocale;
+
+  // show group separator
+  const Setting sShowGroupSeparator = { QgsServerSettingsEnv::QGIS_SERVER_SHOW_GROUP_SEPARATOR,
+                                        QgsServerSettingsEnv::DEFAULT_VALUE,
+                                        QStringLiteral( "Show group (thousands) separator" ),
+                                        QStringLiteral( "/locale/showGroupSeparator" ),
+                                        QVariant::String,
+                                        QVariant( false ),
+                                        QVariant()
+                                      };
+  mSettings[ sShowGroupSeparator.envVar ] = sShowGroupSeparator;
+
 }
 
 void QgsServerSettings::load()
@@ -321,3 +344,14 @@ QString QgsServerSettings::cacheDirectory() const
 {
   return value( QgsServerSettingsEnv::QGIS_SERVER_CACHE_DIRECTORY ).toString();
 }
+
+QString QgsServerSettings::overrideSystemLocale() const
+{
+  return value( QgsServerSettingsEnv::QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE ).toString();
+}
+
+bool QgsServerSettings::showGroupSeparator() const
+{
+  return value( QgsServerSettingsEnv::QGIS_SERVER_SHOW_GROUP_SEPARATOR ).toBool();
+}
+

src/server/qgsserversettings.h

@@ -60,7 +60,9 @@ class SERVER_EXPORT QgsServerSettingsEnv : public QObject
       QGIS_PROJECT_FILE,
       MAX_CACHE_LAYERS,
       QGIS_SERVER_CACHE_DIRECTORY,
-      QGIS_SERVER_CACHE_SIZE
+      QGIS_SERVER_CACHE_SIZE,
+      QGIS_SERVER_SHOW_GROUP_SEPARATOR,  //! Show group (thousands) separator when formatting numeric values, defaults to FALSE (since QGIS 3.8)
+      QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE,  //! Override system locale (since QGIS 3.8)
     };
     Q_ENUM( EnvVar )
 };
@@ -88,41 +90,41 @@ class SERVER_EXPORT QgsServerSettings
 
     /**
      * Constructor.
-      */
+     */
     QgsServerSettings();
 
     /**
      * Load settings according to current environment variables.
-      */
+     */
     void load();
 
     /**
      * Load setting for a specific environment variable name.
-      * \returns true if loading is successful, false in case of an invalid name.
-      */
+     * \returns TRUE if loading is successful, FALSE in case of an invalid name.
+     */
     bool load( const QString &envVarName );
 
     /**
      * Log a summary of settings currently loaded.
-      */
+     */
     void logSummary() const;
 
     /**
      * Returns the ini file loaded by QSetting.
-      * \returns the path of the ini file or an empty string if none is loaded.
-      */
+     * \returns the path of the ini file or an empty string if none is loaded.
+     */
     QString iniFile() const;
 
     /**
      * Returns parallel rendering setting.
-      * \returns true if parallel rendering is activated, false otherwise.
-      */
+     * \returns TRUE if parallel rendering is activated, FALSE otherwise.
+     */
     bool parallelRendering() const;
 
     /**
      * Returns the maximum number of threads to use.
-      * \returns the number of threads.
-      */
+     * \returns the number of threads.
+     */
     int maxThreads() const;
 
     /**
@@ -133,20 +135,20 @@ class SERVER_EXPORT QgsServerSettings
 
     /**
      * Returns the log level.
-      * \returns the log level.
-      */
+     * \returns the log level.
+     */
     Qgis::MessageLevel logLevel() const;
 
     /**
      * Returns the QGS project file to use.
-      * \returns the path of the QGS project or an empty string if none is defined.
-      */
+     * \returns the path of the QGS project or an empty string if none is defined.
+     */
     QString projectFile() const;
 
     /**
      * Returns the log file.
-      * \returns the path of the log file or an empty string if none is defined.
-      */
+     * \returns the path of the log file or an empty string if none is defined.
+     */
     QString logFile() const;
 
     /**
@@ -158,16 +160,30 @@ class SERVER_EXPORT QgsServerSettings
 
     /**
      * Returns the cache size.
-      * \returns the cache size.
-      */
+     * \returns the cache size.
+     */
     qint64 cacheSize() const;
 
     /**
      * Returns the cache directory.
-      * \returns the directory.
-      */
+     * \returns the directory.
+     */
     QString cacheDirectory() const;
 
+    /**
+     * Overrides system locale
+     * \returns the optional override for system locale.
+     * \since QGIS 3.8
+     */
+    QString overrideSystemLocale() const;
+
+    /**
+     * Show group (thousand) separator
+     * \returns if group separator must be shown, default to FALSE.
+     * \since QGIS 3.8
+     */
+    bool showGroupSeparator() const;
+
   private:
     void initSettings();
     QVariant value( QgsServerSettingsEnv::EnvVar envVar ) const;

tests/src/python/CMakeLists.txt

@@ -283,6 +283,7 @@ IF (WITH_SERVER)
   ADD_PYTHON_TEST(PyQgsServerWMTS test_qgsserver_wmts.py)
   ADD_PYTHON_TEST(PyQgsServerWFS test_qgsserver_wfs.py)
   ADD_PYTHON_TEST(PyQgsServerWFST test_qgsserver_wfst.py)
+  ADD_PYTHON_TEST(PyQgsServerLocaleOverride test_qgsserver_locale_override.py)
   ADD_PYTHON_TEST(PyQgsOfflineEditingWFS test_offline_editing_wfs.py)
   ADD_PYTHON_TEST(PyQgsAuthManagerPasswordOWSTest test_authmanager_password_ows.py)
   ADD_PYTHON_TEST(PyQgsAuthManagerPKIOWSTest test_authmanager_pki_ows.py)

tests/src/python/test_qgsserver_locale_override.py

@@ -0,0 +1,81 @@
+# -*- coding: utf-8 -*-
+"""QGIS Unit tests for QgsServer Locale Override Options.
+
+From build dir, run: ctest -R PyQgsServerLocaleOverride -V
+
+.. note:: This test needs env vars to be set before the server is
+          configured for the first time, for this
+          reason it cannot run as a test case of another server
+          test.
+
+.. note:: This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+"""
+__author__ = 'Alessandro Pasotti'
+__date__ = '01/04/2019'
+__copyright__ = 'Copyright 2019, The QGIS Project'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+import os
+
+# Needed on Qt 5 so that the serialization of XML is consistent among all
+# executions
+os.environ['QT_HASH_SEED'] = '1'
+
+from utilities import (
+    unitTestDataPath,
+)
+from qgis.testing import unittest
+
+from test_qgsserver_wms import TestQgsServerWMSTestBase
+from qgis.core import QgsProject, QgsFontUtils
+from qgis.server import QgsServer
+
+
+class TestQgsServerWMSLocaleOverride(TestQgsServerWMSTestBase):
+    """QGIS Server WMS Tests for GetFeatureInfo request"""
+
+    # Set to True to re-generate reference files for this class
+    regenerate_reference = False
+
+    def setUp(self):
+        """Create the server instance"""
+        self.fontFamily = QgsFontUtils.standardTestFontFamily()
+        QgsFontUtils.loadStandardTestFonts(['All'])
+
+        self.testdata_path = unitTestDataPath('qgis_server') + '/'
+
+        d = unitTestDataPath('qgis_server') + '/'
+        self.projectPath = os.path.join(d, "project.qgs")
+
+        # Clean env just to be sure
+        env_vars = ['QUERY_STRING', 'QGIS_PROJECT_FILE']
+        for ev in env_vars:
+            try:
+                del os.environ[ev]
+            except KeyError:
+                pass
+
+        os.environ['QGIS_SERVER_OVERRIDE_SYSTEM_LOCALE'] = 'EN_us'
+        os.environ['QGIS_SERVER_SHOW_GROUP_SEPARATOR'] = '0'
+
+        self.server = QgsServer()
+
+    def testGetFeatureInfoThousandSeparator(self):
+
+        self.wms_request_compare('GetFeatureInfo',
+                                 '&layers=testlayer_thousands&styles=&' +
+                                 'info_format=text%2Fxml&transparent=true&' +
+                                 'width=600&height=400&srs=EPSG%3A3857&bbox=913190.6389747962%2C' +
+                                 '5606005.488876367%2C913235.426296057%2C5606035.347090538&' +
+                                 'query_layers=testlayer_thousands&X=190&Y=320',
+                                 'wms_getfeatureinfo-thousands-text-xml',
+                                 project='test_project_gfi_thousands.qgs',)
+
+
+if __name__ == '__main__':
+    unittest.main()