Part: expose ShapeFix_Shell to Python

src/Mod/Part/App/ShapeFix/ShapeFix_ShellPy.xml

@@ -30,10 +30,57 @@
         <UserDocu>Returns fixed shell (or subset of oriented faces)</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="numberOfShells">
+      <Documentation>
+        <UserDocu>Returns the number of obtained shells</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="shape">
       <Documentation>
         <UserDocu>In case of multiconnexity returns compound of fixed shells and one shell otherwise</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="errorFaces">
+      <Documentation>
+        <UserDocu>Returns not oriented subset of faces</UserDocu>
+      </Documentation>
+    </Methode>
+    <Methode Name="fixFaceOrientation">
+      <Documentation>
+        <UserDocu>
+Fixes orientation of faces in shell.
+Changes orientation of face in the shell, if it is oriented opposite
+to neigbouring faces. If it is not possible to orient all faces in the
+shell (like in case of mebious band), this method orients only subset
+of faces. Other faces are stored in Error compound.
+Modes :
+isAccountMultiConex - mode for account cases of multiconnexity.
+If this mode is equal to Standard_True, separate shells will be created
+in the cases of multiconnexity. If this mode is equal to Standard_False,
+one shell will be created without account of multiconnexity.By defautt - Standard_True;
+NonManifold - mode for creation of non-manifold shells.
+If this mode is equal to Standard_True one non-manifold will be created from shell
+contains multishared edges. Else if this mode is equal to Standard_False only
+manifold shells will be created. By default - Standard_False.
+        </UserDocu>
+      </Documentation>
+    </Methode>
+    <Methode Name="setNonManifoldFlag">
+      <Documentation>
+        <UserDocu>Sets NonManifold flag</UserDocu>
+      </Documentation>
+    </Methode>
+    <Attribute Name="FixOrientationMode" ReadOnly="false">
+      <Documentation>
+        <UserDocu>Mode for applying fixes of orientation of faces</UserDocu>
+      </Documentation>
+      <Parameter Name="FixOrientationMode" Type="Boolean"/>
+    </Attribute>
+    <Attribute Name="FixFaceMode" ReadOnly="false">
+      <Documentation>
+        <UserDocu>Mode for applying fixes using ShapeFix_Face</UserDocu>
+      </Documentation>
+      <Parameter Name="FixFaceMode" Type="Boolean"/>
+    </Attribute>
   </PythonExport>
 </GenerateModel>

src/Mod/Part/App/ShapeFix/ShapeFix_ShellPyImp.cpp

@@ -88,6 +88,15 @@ PyObject* ShapeFix_ShellPy::shell(PyObject *args)
     return shape.getPyObject();
 }
 
+PyObject* ShapeFix_ShellPy::numberOfShells(PyObject *args)
+{
+    if (!PyArg_ParseTuple(args, ""))
+        return nullptr;
+
+    int num = getShapeFix_ShellPtr()->NbShells();
+    return Py::new_reference_to(Py::Long(num));
+}
+
 PyObject* ShapeFix_ShellPy::shape(PyObject *args)
 {
     if (!PyArg_ParseTuple(args, ""))
@@ -97,6 +106,61 @@ PyObject* ShapeFix_ShellPy::shape(PyObject *args)
     return shape.getPyObject();
 }
 
+PyObject* ShapeFix_ShellPy::errorFaces(PyObject *args)
+{
+    if (!PyArg_ParseTuple(args, ""))
+        return nullptr;
+
+    TopoShape shape = getShapeFix_ShellPtr()->ErrorFaces();
+    return shape.getPyObject();
+}
+
+PyObject* ShapeFix_ShellPy::fixFaceOrientation(PyObject *args)
+{
+    PyObject* shell;
+    PyObject* multiConex = Py_True;
+    PyObject* nonManifold = Py_False;
+    if (!PyArg_ParseTuple(args, "O!|O!O!", &TopoShapeShellPy::Type, &shell,
+                                           &PyBool_Type, &multiConex,
+                                           &PyBool_Type, &nonManifold))
+        return nullptr;
+
+    bool ok = getShapeFix_ShellPtr()->FixFaceOrientation(TopoDS::Shell(static_cast<TopoShapePy*>(shell)->getTopoShapePtr()->getShape()),
+                                                         PyObject_IsTrue(multiConex) ? Standard_True : Standard_False,
+                                                         PyObject_IsTrue(nonManifold) ? Standard_True : Standard_False);
+    return Py::new_reference_to(Py::Boolean(ok));
+}
+
+PyObject* ShapeFix_ShellPy::setNonManifoldFlag(PyObject *args)
+{
+    PyObject* nonManifold;
+    if (!PyArg_ParseTuple(args, "O!", &PyBool_Type, &nonManifold))
+        return nullptr;
+
+    getShapeFix_ShellPtr()->SetNonManifoldFlag(PyObject_IsTrue(nonManifold) ? Standard_True : Standard_False);
+    Py_Return;
+}
+
+Py::Boolean ShapeFix_ShellPy::getFixFaceMode() const
+{
+    return Py::Boolean(getShapeFix_ShellPtr()->FixFaceMode());
+}
+
+void ShapeFix_ShellPy::setFixFaceMode(Py::Boolean arg)
+{
+    getShapeFix_ShellPtr()->FixFaceMode() = arg;
+}
+
+Py::Boolean ShapeFix_ShellPy::getFixOrientationMode() const
+{
+    return Py::Boolean(getShapeFix_ShellPtr()->FixOrientationMode());
+}
+
+void ShapeFix_ShellPy::setFixOrientationMode(Py::Boolean arg)
+{
+    getShapeFix_ShellPtr()->FixOrientationMode() = arg;
+}
+
 PyObject *ShapeFix_ShellPy::getCustomAttributes(const char* /*attr*/) const
 {
     return nullptr;

src/Mod/Part/TestPartApp.py

@@ -490,3 +490,16 @@ class PartTestShapeFix(unittest.TestCase):
         fix.perform()
         fix.shell()
         fix.shape()
+
+        fix.setNonManifoldFlag(True)
+        fix.fixFaceOrientation(shell)
+
+        self.assertEqual(len(fix.errorFaces().Faces), 0)
+
+        self.assertEqual(fix.numberOfShells(), 1)
+
+        fix.FixFaceMode = True
+        self.assertEqual(fix.FixFaceMode, True)
+
+        fix.FixOrientationMode = True
+        self.assertEqual(fix.FixOrientationMode, True)