replace insecure use of eval() with proper use of units

in py3

src/App/Document.cpp

@@ -3031,7 +3031,13 @@ void Document::breakDependency(DocumentObject* pcObject, bool clear)
             std::vector<App::ObjectIdentifier> paths;
             pcObject->ExpressionEngine.getPathsToDocumentObject(it->second, paths);
             for (std::vector<App::ObjectIdentifier>::iterator jt = paths.begin(); jt != paths.end(); ++jt) {
-                pcObject->ExpressionEngine.setValue(*jt, nullptr);
+                // When nullifying the expression handle case where an identifier lacks of the property
+                try {
+                    pcObject->ExpressionEngine.setValue(*jt, nullptr);
+                }
+                catch (const Base::Exception& e) {
+                    e.ReportException();
+                }
             }
         }
     }

src/App/DocumentObject.cpp

@@ -496,10 +496,27 @@ void DocumentObject::setDocument(App::Document* doc)
     onSettingDocument();
 }
 
-void DocumentObject::onAboutToRemoveProperty(const char* prop)
+void DocumentObject::onAboutToRemoveProperty(const char* name)
 {
-    if (_pDoc)
-        _pDoc->removePropertyOfObject(this, prop);
+    if (_pDoc) {
+        _pDoc->removePropertyOfObject(this, name);
+
+        Property* prop = getDynamicPropertyByName(name);
+        if (prop) {
+            auto expressions = ExpressionEngine.getExpressions();
+            std::vector<App::ObjectIdentifier> removeExpr;
+
+            for (auto it : expressions) {
+                if (it.first.getProperty() == prop) {
+                    removeExpr.push_back(it.first);
+                }
+            }
+
+            for (auto it : removeExpr) {
+                ExpressionEngine.setValue(it, boost::shared_ptr<Expression>());
+            }
+        }
+    }
 }
 
 void DocumentObject::onBeforeChange(const Property* prop)

src/App/ObjectIdentifier.cpp

@@ -1062,6 +1062,7 @@ boost::any ObjectIdentifier::getValue() const
 
     destructor d1(pyvalue);
 
+    Base::PyGILStateLocker locker;
     if (!pyvalue)
         throw Base::RuntimeError("Failed to get property value.");
 #if PY_MAJOR_VERSION < 3
@@ -1078,12 +1079,12 @@ boost::any ObjectIdentifier::getValue() const
         return boost::any(PyString_AsString(pyvalue));
 #endif
     else if (PyUnicode_Check(pyvalue)) {
+#if PY_MAJOR_VERSION >= 3
+        return boost::any(PyUnicode_AsUTF8(pyvalue));
+#else
         PyObject * s = PyUnicode_AsUTF8String(pyvalue);
         destructor d2(s);
 
-#if PY_MAJOR_VERSION >= 3
-        return boost::any(PyUnicode_AsUTF8(s));
-#else
         return boost::any(PyString_AsString(s));
 #endif
     }

src/Base/Interpreter.cpp

@@ -354,13 +354,15 @@ void InterpreterSingleton::runInteractiveString(const char *sCmd)
         PyErr_Fetch(&errobj, &errdata, &errtraceback);
 
         RuntimeError exc(""); // do not use PyException since this clears the error indicator
+        if (errdata) {
 #if PY_MAJOR_VERSION >= 3
-        if (PyUnicode_Check(errdata))
-            exc.setMessage(PyUnicode_AsUTF8(errdata));
+            if (PyUnicode_Check(errdata))
+                exc.setMessage(PyUnicode_AsUTF8(errdata));
 #else
-        if (PyString_Check(errdata))
-            exc.setMessage(PyString_AsString(errdata));
+            if (PyString_Check(errdata))
+                exc.setMessage(PyString_AsString(errdata));
 #endif
+        }
         PyErr_Restore(errobj, errdata, errtraceback);
         if (PyErr_Occurred())
             PyErr_Print();

src/Gui/BitmapFactory.cpp

@@ -571,20 +571,27 @@ QPixmap BitmapFactoryInst::merge(const QPixmap& p1, const QPixmap& p2, Position
 {
     // does the similar as the method above except that this method does not resize the resulting pixmap
     int x = 0, y = 0;
+#if QT_VERSION >= 0x050000
+    qreal dpr1 = p1.devicePixelRatio();
+    qreal dpr2 = p2.devicePixelRatio();
+#else
+    qreal dpr1 = 1;
+    qreal dpr2 = 1;
+#endif
 
     switch (pos)
     {
     case TopLeft:
         break;
     case TopRight:
-        x = p1.width () - p2.width ();
+        x = p1.width ()/dpr1 - p2.width ()/dpr2;
         break;
     case BottomLeft:
-        y = p1.height() - p2.height();
+        y = p1.height()/dpr1 - p2.height()/dpr2;
         break;
     case BottomRight:
-        x = p1.width () - p2.width ();
-        y = p1.height() - p2.height();
+        x = p1.width ()/dpr1 - p2.width ()/dpr2;
+        y = p1.height()/dpr1 - p2.height()/dpr2;
         break;
     }
 

src/Gui/CommandDoc.cpp

@@ -1092,9 +1092,15 @@ void StdCmdDelete::activated(int iMsg)
                             // handle the view provider
                             Gui::getMainWindow()->setUpdatesEnabled(false);
 
-                            (*it)->openTransaction("Delete");
-                            vpedit->onDelete(ft->getSubNames());
-                            (*it)->commitTransaction();
+                            try {
+                                (*it)->openTransaction("Delete");
+                                vpedit->onDelete(ft->getSubNames());
+                                (*it)->commitTransaction();
+                            }
+                            catch (const Base::Exception& e) {
+                                (*it)->abortTransaction();
+                                e.ReportException();
+                            }
 
                             Gui::getMainWindow()->setUpdatesEnabled(true);
                             Gui::getMainWindow()->update();
@@ -1171,18 +1177,24 @@ void StdCmdDelete::activated(int iMsg)
 
                 if (autoDeletion) {
                     Gui::getMainWindow()->setUpdatesEnabled(false);
-                    (*it)->openTransaction("Delete");
-                    for (std::vector<Gui::SelectionObject>::iterator ft = sel.begin(); ft != sel.end(); ++ft) {
-                        Gui::ViewProvider* vp = pGuiDoc->getViewProvider(ft->getObject());
-                        if (vp) {
-                            // ask the ViewProvider if it wants to do some clean up
-                            if (vp->onDelete(ft->getSubNames())) {
-                                doCommand(Doc,"App.getDocument(\"%s\").removeObject(\"%s\")"
-                                         ,(*it)->getName(), ft->getFeatName());
+                    try {
+                        (*it)->openTransaction("Delete");
+                        for (std::vector<Gui::SelectionObject>::iterator ft = sel.begin(); ft != sel.end(); ++ft) {
+                            Gui::ViewProvider* vp = pGuiDoc->getViewProvider(ft->getObject());
+                            if (vp) {
+                                // ask the ViewProvider if it wants to do some clean up
+                                if (vp->onDelete(ft->getSubNames())) {
+                                    doCommand(Doc,"App.getDocument(\"%s\").removeObject(\"%s\")"
+                                             ,(*it)->getName(), ft->getFeatName());
+                                }
                             }
                         }
+                        (*it)->commitTransaction();
+                    }
+                    catch (const Base::Exception& e) {
+                        (*it)->abortTransaction();
+                        e.ReportException();
                     }
-                    (*it)->commitTransaction();
 
                     Gui::getMainWindow()->setUpdatesEnabled(true);
                     Gui::getMainWindow()->update();

src/Gui/GuiApplicationNativeEventAware.cpp

@@ -98,6 +98,12 @@ void Gui::GUIApplicationNativeEventAware::initSpaceball(QMainWindow *window)
     mainWindow = window;
 
 #if defined(Q_OS_LINUX) && defined(SPNAV_FOUND)
+#if QT_VERSION >= 0x050200
+    if (!QX11Info::isPlatformX11()) {
+        Base::Console().Log("Application is not running on X11\n");
+        return;
+    }
+#endif
     if (spnav_x11_open(QX11Info::display(), window->winId()) == -1) {
         Base::Console().Log("Couldn't connect to spacenav daemon\n");
     } else {

src/Gui/MouseSelection.cpp

@@ -390,7 +390,16 @@ int PolyPickerSelection::locationEvent(const SoLocation2Event* const, const QPoi
 
     if (polyline.isWorking()) {
         // check the position
+#if QT_VERSION >= 0x050600
+        qreal dpr = _pcView3D->getGLWidget()->devicePixelRatioF();
+#else
+        qreal dpr = 1.0;
+#endif
         QRect r = _pcView3D->getGLWidget()->rect();
+        if (dpr != 1.0) {
+            r.setHeight(r.height()*dpr);
+            r.setWidth(r.width()*dpr);
+        }
 
         if (!r.contains(clPoint)) {
             if (clPoint.x() < r.left())
@@ -599,7 +608,16 @@ int FreehandSelection::locationEvent(const SoLocation2Event* const e, const QPoi
 
     if (polyline.isWorking()) {
         // check the position
+#if QT_VERSION >= 0x050600
+        qreal dpr = _pcView3D->getGLWidget()->devicePixelRatioF();
+#else
+        qreal dpr = 1.0;
+#endif
         QRect r = _pcView3D->getGLWidget()->rect();
+        if (dpr != 1.0) {
+            r.setHeight(r.height()*dpr);
+            r.setWidth(r.width()*dpr);
+        }
 
         if (!r.contains(clPoint)) {
             if (clPoint.x() < r.left())

src/Gui/OnlineDocumentation.cpp

@@ -116,7 +116,7 @@ QByteArray PythonOnlineHelp::loadResource(const QString& filename) const
         dict = PyDict_Copy(dict);
 
         QByteArray cmd =
-            "import string, os, sys, pydoc, pkgutil\n"
+            "import os, sys, pydoc, pkgutil\n"
             "\n"
             "class FreeCADDoc(pydoc.HTMLDoc):\n"
             "    def index(self, dir, shadowed=None):\n"
@@ -160,7 +160,7 @@ QByteArray PythonOnlineHelp::loadResource(const QString& filename) const
             "    ret = pydoc.html.index(dir, seen)\n"
             "    if ret != None:\n"
             "        indices.append(ret)\n"
-            "contents = heading + string.join(indices) + '''<p align=right>\n"
+            "contents = heading + ' '.join(indices) + '''<p align=right>\n"
             "<font color=\"#909090\" face=\"helvetica, arial\"><strong>\n"
             "pydoc</strong> by Ka-Ping Yee &lt;ping@lfw.org&gt;</font>'''\n"
             "htmldocument=pydoc.html.page(title,contents)\n";

src/Gui/PythonConsole.cpp

@@ -323,7 +323,8 @@ void InteractiveInterpreter::runCode(PyCodeObject* code) const
         if (PyErr_Occurred()) {                   /* get latest python exception information */
             PyObject *errobj, *errdata, *errtraceback;
             PyErr_Fetch(&errobj, &errdata, &errtraceback);
-            if (PyDict_Check(errdata)) {
+            // the error message can be empty so errdata will be null
+            if (errdata && PyDict_Check(errdata)) {
                 PyObject* value = PyDict_GetItemString(errdata, "swhat");
                 if (value) {
                     Base::RuntimeError e;

src/Gui/WidgetFactory.cpp

@@ -680,7 +680,10 @@ Py::Object PySideUicModule::loadUiType(const Py::Tuple& args)
     str << "import pyside2uic\n"
         << "from PySide2 import QtCore, QtGui, QtWidgets\n"
         << "import xml.etree.ElementTree as xml\n"
-        << "from cStringIO import StringIO\n"
+        << "try:\n"
+        << "    from cStringIO import StringIO\n"
+        << "except:\n"
+        << "    from io import StringIO\n"
         << "\n"
         << "uiFile = \"" << file.c_str() << "\"\n"
         << "parsed = xml.parse(uiFile)\n"
@@ -691,7 +694,7 @@ Py::Object PySideUicModule::loadUiType(const Py::Tuple& args)
         << "    frame = {}\n"
         << "    pyside2uic.compileUi(f, o, indent=0)\n"
         << "    pyc = compile(o.getvalue(), '<string>', 'exec')\n"
-        << "    exec pyc in frame\n"
+        << "    exec(pyc, frame)\n"
         << "    #Fetch the base_class and form class based on their type in the xml from designer\n"
         << "    form_class = frame['Ui_%s'%form_class]\n"
         << "    base_class = eval('QtWidgets.%s'%widget_class)\n";
@@ -699,7 +702,10 @@ Py::Object PySideUicModule::loadUiType(const Py::Tuple& args)
     str << "import pysideuic\n"
         << "from PySide import QtCore, QtGui\n"
         << "import xml.etree.ElementTree as xml\n"
-        << "from cStringIO import StringIO\n"
+        << "try:\n"
+        << "    from cStringIO import StringIO\n"
+        << "except:\n"
+        << "    from io import StringIO\n"
         << "\n"
         << "uiFile = \"" << file.c_str() << "\"\n"
         << "parsed = xml.parse(uiFile)\n"
@@ -710,7 +716,7 @@ Py::Object PySideUicModule::loadUiType(const Py::Tuple& args)
         << "    frame = {}\n"
         << "    pysideuic.compileUi(f, o, indent=0)\n"
         << "    pyc = compile(o.getvalue(), '<string>', 'exec')\n"
-        << "    exec pyc in frame\n"
+        << "    exec(pyc, frame)\n"
         << "    #Fetch the base_class and form class based on their type in the xml from designer\n"
         << "    form_class = frame['Ui_%s'%form_class]\n"
         << "    base_class = eval('QtGui.%s'%widget_class)\n";

src/Mod/Arch/ArchMaterial.py

@@ -250,6 +250,7 @@ class _ArchMaterial:
     "The Material object"
 
     def __init__(self,obj):
+
         self.Type = "Material"
         obj.Proxy = self
         obj.addProperty("App::PropertyString","Description","Arch",QT_TRANSLATE_NOOP("App::Property","A description for this material"))
@@ -259,7 +260,8 @@ class _ArchMaterial:
         obj.addProperty("App::PropertyColor","Color","Arch",QT_TRANSLATE_NOOP("App::Property","The color of this material"))
 
     def onChanged(self,obj,prop):
-        d = None
+
+        d = obj.Material
         if prop == "Material":
             if "DiffuseColor" in obj.Material:
                 c = tuple([float(f) for f in obj.Material['DiffuseColor'].strip("()").split(",")])
@@ -283,52 +285,51 @@ class _ArchMaterial:
                 if hasattr(obj,"Description"):
                     if obj.Description != obj.Material["Description"]:
                         obj.Description = obj.Material["Description"]
+            if "Name" in obj.Material:
+                if hasattr(obj,"Label"):
+                    if obj.Label != obj.Material["Name"]:
+                        obj.Label = obj.Material["Name"]
+        elif prop == "Label":
+            if "Name" in d:
+                if d["Name"] == obj.Label:
+                    return
+            d["Name"] = obj.Label
         elif prop == "Color":
             if hasattr(obj,"Color"):
-                if obj.Material:
-                    d = obj.Material
-                    val = str(obj.Color[:3])
-                    if "DiffuseColor" in d:
-                        if d["DiffuseColor"] == val:
-                            return
-                    d["DiffuseColor"] = val
+                val = str(obj.Color[:3])
+                if "DiffuseColor" in d:
+                    if d["DiffuseColor"] == val:
+                        return
+                d["DiffuseColor"] = val
         elif prop == "Transparency":
             if hasattr(obj,"Transparency"):
-                if obj.Material:
-                    d = obj.Material
-                    val = str(obj.Transparency)
-                    if "Transparency" in d:
-                        if d["Transparency"] == val:
-                            return
-                    d["Transparency"] = val
+                val = str(obj.Transparency)
+                if "Transparency" in d:
+                    if d["Transparency"] == val:
+                        return
+                d["Transparency"] = val
         elif prop == "ProductURL":
             if hasattr(obj,"ProductURL"):
-                if obj.Material:
-                    d = obj.Material
-                    val = obj.ProductURL
-                    if "ProductURL" in d:
-                        if d["ProductURL"] == val:
-                            return
-                    obj.Material["ProductURL"] = val
+                val = obj.ProductURL
+                if "ProductURL" in d:
+                    if d["ProductURL"] == val:
+                        return
+                obj.Material["ProductURL"] = val
         elif prop == "StandardCode":
             if hasattr(obj,"StandardCode"):
-                if obj.Material:
-                    d = obj.Material
-                    val = obj.StandardCode
-                    if "StandardCode" in d:
-                        if d["StandardCode"] == val:
-                            return
-                    d["StandardCode"] = val
+                val = obj.StandardCode
+                if "StandardCode" in d:
+                    if d["StandardCode"] == val:
+                        return
+                d["StandardCode"] = val
         elif prop == "Description":
             if hasattr(obj,"Description"):
-                if obj.Material:
-                    d = obj.Material
-                    val = obj.Description
-                    if "Description" in d:
-                        if d["Description"] == val:
-                            return
-                    d["Description"] = val
-        if d:
+                val = obj.Description
+                if "Description" in d:
+                    if d["Description"] == val:
+                        return
+                d["Description"] = val
+        if d and (d != obj.Material):
             obj.Material = d
             if FreeCAD.GuiUp:
                 import FreeCADGui

src/Mod/Arch/ArchRoof.py

@@ -674,8 +674,12 @@ class _Roof(ArchComponent.Component):
                 if obj.Base.Shape.Solids:
                     return obj.Shape
                 else :
-                    if self.sub:
-                        return self.sub
+                    if hasattr(self,"sub"):
+                        if self.sub:
+                            return self.sub
+                        else :
+                            self.execute(obj)
+                            return self.sub
                     else :
                         self.execute(obj)
                         return self.sub

src/Mod/Arch/importOBJ.py

@@ -195,7 +195,7 @@ def export(exportList,filename):
     outfile.close()
     FreeCAD.Console.PrintMessage(translate("Arch","Successfully written") + " " + decode(filename) + "\n")
     if materials: 
-        outfile = pythonopen(filenamemtl,"wb")
+        outfile = pythonopen(filenamemtl,"w")
         outfile.write("# FreeCAD v" + ver[0] + "." + ver[1] + " build" + ver[2] + " Arch module\n")
         outfile.write("# http://www.freecadweb.org\n")
         kinds = {"AmbientColor":"Ka ","DiffuseColor":"Kd ","SpecularColor":"Ks ","EmissiveColor":"Ke ","Transparency":"d "}
@@ -219,23 +219,23 @@ def export(exportList,filename):
         FreeCAD.Console.PrintMessage(translate("Arch","Successfully written") + ' ' + decode(filenamemtl) + "\n")
 
 
-def decode(name):
-    "decodes encoded strings"
-    try:
-        decodedName = (name.decode("utf8"))
-    except UnicodeDecodeError:
-        try:
-            decodedName = (name.decode("latin1"))
-        except UnicodeDecodeError:
-            FreeCAD.Console.PrintError(translate("Arch","Error: Couldn't determine character encoding"))
-            decodedName = name
-    return decodedName
+#def decode(name):
+#    "decodes encoded strings"
+#    try:
+#        decodedName = (name.decode("utf8"))
+#    except UnicodeDecodeError:
+#        try:
+#            decodedName = (name.decode("latin1"))
+#        except UnicodeDecodeError:
+#            FreeCAD.Console.PrintError(translate("Arch","Error: Couldn't determine character encoding"))
+#            decodedName = name
+#    return decodedName
 
 def open(filename):
     "called when freecad wants to open a file"
-    docname = (os.path.splitext(os.path.basename(filename))[0]).encode("utf8")
-    doc = FreeCAD.newDocument(docname)
-    doc.Label = decode(docname)
+    docname = (os.path.splitext(os.path.basename(filename))[0])
+    doc = FreeCAD.newDocument(docname.encode("utf8"))
+    doc.Label = docname
     return insert(filename,doc.Name)
 
 def insert(filename,docname):
@@ -246,7 +246,7 @@ def insert(filename,docname):
         doc = FreeCAD.newDocument(docname)
     FreeCAD.ActiveDocument = doc
 
-    with pythonopen(filename,"rb") as infile:
+    with pythonopen(filename,"r") as infile:
         verts = []
         facets = []
         activeobject = None
@@ -257,7 +257,7 @@ def insert(filename,docname):
             if line[:7] == "mtllib ":
                 matlib = os.path.join(os.path.dirname(filename),line[7:])
                 if os.path.exists(matlib):
-                    with pythonopen(matlib,"rb") as matfile:
+                    with pythonopen(matlib,"r") as matfile:
                         mname = None
                         color = None
                         trans = None

src/Mod/Draft/importDXF.py

@@ -87,22 +87,13 @@ def errorDXFLib(gui):
                 if gui:
                     from PySide import QtGui, QtCore
                     from DraftTools import translate
-                    if float(FreeCAD.Version()[0]+"."+FreeCAD.Version()[1]) >= 0.17:
-                        message = translate("Draft","""Download of dxf libraries failed.
+                    message = translate("Draft","""Download of dxf libraries failed.
 Please install the dxf Library addon manually
 from menu Tools -> Addon Manager""")
-                    else:
-                        message = translate("Draft","""Download of dxf libraries failed.
-Please download and install them manually.
-See complete instructions at
-http://www.freecadweb.org/wiki/Dxf_Importer_Install""")
                     QtGui.QMessageBox.information(None,"",message)
                 else:
                     FreeCAD.Console.PrintWarning("The DXF import/export libraries needed by FreeCAD to handle the DXF format are not installed.\n")
-                    if float(FreeCAD.Version()[0]+"."+FreeCAD.Version()[1]) >= 0.17:
-                        FreeCAD.Console.PrintWarning("Please install the dxf Library addon from Tools -> Addons Manager\n")
-                    else:
-                        FreeCAD.Console.PrintWarning("Please check https://github.com/yorikvanhavre/Draft-dxf-importer\n")
+                    FreeCAD.Console.PrintWarning("Please install the dxf Library addon from Tools -> Addons Manager\n")
                 break
         progressbar.stop()
         sys.path.append(FreeCAD.ConfigGet("UserAppData"))
@@ -110,17 +101,7 @@ http://www.freecadweb.org/wiki/Dxf_Importer_Install""")
         if gui:
             from PySide import QtGui, QtCore
             from DraftTools import translate
-            if float(FreeCAD.Version()[0]+"."+FreeCAD.Version()[1]) >= 0.17:
-                message = translate('draft',"""The DXF import/export libraries needed by FreeCAD to handle
-the DXF format were not found on this system.
-Please either enable FreeCAD to download these libraries:
-  1 - Load Draft workbench
-  2 - Menu Edit > Preferences > Import-Export > DXF > Enable downloads
-Or install the libraries manually by installing the dxf-Library addon
-from menu Tools -> Addon Manager.
-To enabled FreeCAD to download these libraries, answer Yes.""")
-            else:
-                message = translate('draft',"""The DXF import/export libraries needed by FreeCAD to handle
+            message = translate('draft',"""The DXF import/export libraries needed by FreeCAD to handle
 the DXF format were not found on this system.
 Please either enable FreeCAD to download these libraries:
   1 - Load Draft workbench

src/Mod/Fem/feminout/importToolsFem.py

@@ -295,14 +295,14 @@ def fill_femresult_mechanical(res_obj, result_set):
             if len(Peeq) > 0:
                 if len(Peeq.values()) != len(disp.values()):
                     Pe = []
-                    Pe_extra_nodes = Peeq.values()
+                    Pe_extra_nodes = list(Peeq.values())
                     nodes = len(disp.values())
                     for i in range(nodes):
                         Pe_value = Pe_extra_nodes[i]
                         Pe.append(Pe_value)
                     res_obj.Peeq = Pe
                 else:
-                    res_obj.Peeq = Peeq.values()
+                    res_obj.Peeq = list(Peeq.values())
 
     # fill res_obj.Temperature if they exist
     # TODO, check if it is possible to have Temperature without disp, we would need to set NodeNumbers than
@@ -311,7 +311,7 @@ def fill_femresult_mechanical(res_obj, result_set):
         if len(Temperature) > 0:
             if len(Temperature.values()) != len(disp.values()):
                 Temp = []
-                Temp_extra_nodes = Temperature.values()
+                Temp_extra_nodes = list(Temperature.values())
                 nodes = len(disp.values())
                 for i in range(nodes):
                     Temp_value = Temp_extra_nodes[i]

src/Mod/Fem/femtools/ccxtools.py

@@ -536,11 +536,11 @@ class FemToolsCcx(QtCore.QRunnable, QtCore.QObject):
                 ccx_path = FreeCAD.getHomePath() + "bin/ccx.exe"
                 FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/Ccx").SetString("ccxBinaryPath", ccx_path)
                 self.ccx_binary = ccx_path
-            elif system() == "Linux":
+            elif system() in ("Linux", "Darwin"):
                 p1 = subprocess.Popen(['which', 'ccx'], stdout=subprocess.PIPE)
                 if p1.wait() == 0:
                     if sys.version_info.major >= 3:
-                        ccx_path = str(p1.stdout.read()).split('\n')[0]
+                        ccx_path = p1.stdout.read().decode("utf8").split('\n')[0]
                     else:
                         ccx_path = p1.stdout.read().split('\n')[0]
                 elif p1.wait() == 1:

src/Mod/Image/ImageTools/_CommandImageScaling.py

@@ -138,8 +138,15 @@ def cmdCreateImageScaling(name):
         def accept(self):
             sel = FreeCADGui.Selection.getSelection()
             try:
-                locale=QtCore.QLocale.system()
-                d, ok = locale.toFloat(str(eval(self.lineEdit.text())))
+                try:
+                    q = FreeCAD.Units.parseQuantity(self.lineEdit.text())
+                    d = q.Value
+                    if q.Unit == FreeCAD.Units.Unit(): # plain number
+                        ok = True
+                    elif q.Unit == FreeCAD.Units.Length:
+                        ok = True
+                except:
+                    ok = False
                 if not ok:
                     raise ValueError
                 s=d/self.distance

src/Mod/Part/Gui/TaskDimension.cpp

@@ -383,8 +383,8 @@ void PartGui::DimensionLinear::setupDimension()
 
   //dimension arrows
   float dimLength = (point2.getValue()-point1.getValue()).length();
-  float coneHeight = dimLength * .05;
-  float coneRadius = coneHeight / 2;
+  float coneHeight = dimLength * 0.05;
+  float coneRadius = coneHeight * 0.5;
 
   SoCone *cone = new SoCone();
   cone->bottomRadius.setValue(coneRadius);
@@ -392,8 +392,8 @@ void PartGui::DimensionLinear::setupDimension()
 
   char lStr[100];
   char rStr[100];
-  snprintf(lStr, sizeof(lStr), "translation %.2f 0.0 0.0", coneHeight*0.5);
-  snprintf(rStr, sizeof(rStr), "translation 0.0 -%.2f 0.0", coneHeight*0.5);
+  snprintf(lStr, sizeof(lStr), "translation %.6f 0.0 0.0", coneHeight * 0.5);
+  snprintf(rStr, sizeof(rStr), "translation 0.0 -%.6f 0.0", coneHeight * 0.5);
 
   setPart("leftArrow.shape", cone);
   set("leftArrow.transform", "rotation 0.0 0.0 1.0 1.5707963");
@@ -1072,7 +1072,7 @@ void PartGui::DimensionAngular::setupDimension()
 
   //dimension arrows
   float coneHeight = radius.getValue() * 0.1;
-  float coneRadius = coneHeight / 2;
+  float coneRadius = coneHeight * 0.5;
 
   SoCone *cone = new SoCone();
   cone->bottomRadius.setValue(coneRadius);
@@ -1080,8 +1080,8 @@ void PartGui::DimensionAngular::setupDimension()
 
   char str1[100];
   char str2[100];
-  snprintf(str1, sizeof(str1), "translation 0.0 %.2f 0.0", coneHeight*0.5);
-  snprintf(str2, sizeof(str2), "translation 0.0 -%.2f 0.0", coneHeight*0.5);
+  snprintf(str1, sizeof(str1), "translation 0.0 %.6f 0.0", coneHeight * 0.5);
+  snprintf(str2, sizeof(str2), "translation 0.0 -%.6f 0.0", coneHeight * 0.5);
 
   setPart("arrow1.shape", cone);
   set("arrow1.localTransform", "rotation 0.0 0.0 1.0 3.1415927");

src/Mod/Path/PathScripts/PathCircularHoleBase.py

@@ -89,7 +89,7 @@ class ObjectOp(PathOp.ObjectOp):
         Obviously this is as fragile as can be, but currently the best we can do while the panel sheets
         hide the actual features from Path and they can't be referenced directly.
         '''
-        ids = string.split(sub, '.')
+        ids = sub.split(".")
         holeId = int(ids[0])
         wireId = int(ids[1])
         edgeId = int(ids[2])

src/Mod/Sketcher/Gui/ViewProviderSketch.cpp

@@ -1195,11 +1195,17 @@ bool ViewProviderSketch::mouseMove(const SbVec2s &cursorPos, Gui::View3DInventor
             return true;
         }
         case STATUS_SKETCH_UseRubberBand: {
+            // Here we must use the device-pixel-ratio to compute the correct y coordinate (#0003130)
+#if QT_VERSION >= 0x050600
+            qreal dpr = viewer->getGLWidget()->devicePixelRatioF();
+#else
+            qreal dpr = 1;
+#endif
             newCursorPos = cursorPos;
             rubberband->setCoords(prvCursorPos.getValue()[0],
-                       viewer->getGLWidget()->height() - prvCursorPos.getValue()[1],
+                       viewer->getGLWidget()->height()*dpr - prvCursorPos.getValue()[1],
                        newCursorPos.getValue()[0],
-                       viewer->getGLWidget()->height() - newCursorPos.getValue()[1]);
+                       viewer->getGLWidget()->height()*dpr - newCursorPos.getValue()[1]);
             viewer->redraw();
             return true;
         }

src/XDGData/CMakeLists.txt

@@ -1,4 +1,36 @@
-install(FILES org.freecadweb.FreeCAD.appdata.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/metainfo)
-install(FILES org.freecadweb.FreeCAD.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications)
-install(FILES org.freecadweb.FreeCAD.svg DESTINATION ${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/scalable/apps)
-install(FILES org.freecadweb.FreeCAD.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/mime/packages)
+include(GNUInstallDirs)
+
+if(NOT DEFINED APPDATA_RELEASE_DATE)
+    if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
+        execute_process(COMMAND git log -1 --pretty=%cd --date=short
+            OUTPUT_VARIABLE APPDATA_RELEASE_DATE
+            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+            OUTPUT_STRIP_TRAILING_WHITESPACE)
+    else()
+        file(TIMESTAMP "${CMAKE_SOURCE_DIR}/CMakeLists.txt" APPDATA_RELEASE_DATE "%Y-%m-%d")
+    endif()
+endif()
+
+configure_file(
+    org.freecadweb.FreeCAD.appdata.xml.in
+    ${CMAKE_BINARY_DIR}/org.freecadweb.FreeCAD.appdata.xml
+)
+install(
+    FILES ${CMAKE_BINARY_DIR}/org.freecadweb.FreeCAD.appdata.xml
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/metainfo
+)
+
+install(
+    FILES org.freecadweb.FreeCAD.desktop
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications
+)
+
+install(
+    FILES org.freecadweb.FreeCAD.svg
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/scalable/apps
+)
+
+install(
+    FILES org.freecadweb.FreeCAD.xml
+    DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/mime/packages
+)

src/XDGData/org.freecadweb.FreeCAD.appdata.xml.in

@@ -29,8 +29,8 @@
   <url type="help">https://forum.freecadweb.org</url>
   <url type="donation">https://www.freecadweb.org/wiki/Donate</url>
   <update_contact>yorik_AT_uncreated.net</update_contact>
-  <content_rating type="oars-1.1" />
+  <content_rating type="oars-1.1"/>
   <releases>
-    <release version="0.17" date="2018-04-06"></release>
+    <release version="@PACKAGE_VERSION@" date="@APPDATA_RELEASE_DATE@"/>
   </releases>
 </component>