diff --git a/src/Mod/Draft/DraftTools.py b/src/Mod/Draft/DraftTools.py
index 3eed82ec76..468cf64fb6 100644
--- a/src/Mod/Draft/DraftTools.py
+++ b/src/Mod/Draft/DraftTools.py
@@ -102,15 +102,14 @@ def selectObject(arg):
                 FreeCAD.activeDraftCommand.proceed()
 
 def getPoint(target,args,mobile=False,sym=False,workingplane=True,noTracker=False):
-    '''
-    Function used by the Draft Tools.
+    """Function used by the Draft Tools.
     returns a constrained 3d point and its original point.
     if mobile=True, the constraining occurs from the location of
     mouse cursor when Shift is pressed, otherwise from last entered
     point. If sym=True, x and y values stay always equal. If workingplane=False,
     the point won't be projected on the Working Plane. if noTracker is True, the
     tracking line will not be displayed
-    '''
+    """
 
     ui = FreeCADGui.draftToolBar
 
@@ -144,7 +143,7 @@ def getPoint(target,args,mobile=False,sym=False,workingplane=True,noTracker=Fals
     return point,ctrlPoint,info
 
 def getSupport(mouseEvent=None):
-    "returns the supporting object and sets the working plane"
+    """returns the supporting object and sets the working plane"""
     plane.save()
     if mouseEvent:
         return setWorkingPlaneToObjectUnderCursor(mouseEvent)
@@ -194,7 +193,7 @@ def setWorkingPlaneToSelectedObject():
     return None
 
 def hasMod(args,mod):
-    "checks if args has a specific modifier"
+    """checks if args has a specific modifier"""
     if mod == "shift":
         return args["ShiftDown"]
     elif mod == "ctrl":
@@ -203,7 +202,7 @@ def hasMod(args,mod):
         return args["AltDown"]
 
 def setMod(args,mod,state):
-    "sets a specific modifier state in args"
+    """sets a specific modifier state in args"""
     if mod == "shift":
         args["ShiftDown"] = state
     elif mod == "ctrl":
@@ -219,7 +218,7 @@ def setMod(args,mod,state):
 #---------------------------------------------------------------------------
 
 class DraftTool:
-    "The base class of all Draft Tools"
+    """The base class of all Draft Tools"""
 
     def __init__(self):
         self.commitList = []
@@ -291,11 +290,11 @@ class DraftTool:
         self.commitList = []
 
     def commit(self,name,func):
-        "stores actions to be committed to the FreeCAD document"
+        """stores actions to be committed to the FreeCAD document"""
         self.commitList.append((name,func))
 
     def getStrings(self,addrot=None):
-        "returns a couple of useful strings for building python commands"
+        """returns a couple of useful strings for building python commands"""
 
         # current plane rotation
         p = plane.getRotation()
@@ -329,7 +328,7 @@ class DraftTool:
 #---------------------------------------------------------------------------
 
 class SelectPlane(DraftTool):
-    "The Draft_SelectPlane FreeCAD command definition"
+    """The Draft_SelectPlane FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_SelectPlane',
@@ -549,7 +548,7 @@ def redraw3DView():
         pass
 
 class Creator(DraftTool):
-    "A generic Draft Creator Tool used by creation tools such as line or arc"
+    """A generic Draft Creator Tool used by creation tools such as line or arc"""
 
     def __init__(self):
         DraftTool.__init__(self)
@@ -560,7 +559,7 @@ class Creator(DraftTool):
             self.support = getSupport()
 
 class Line(Creator):
-    "The Line FreeCAD command definition"
+    """The Line FreeCAD command definition"""
 
     def __init__(self, wiremode=False):
         Creator.__init__(self)
@@ -592,7 +591,7 @@ class Line(Creator):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick first point")+"\n")
 
     def action(self, arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
             self.finish()
         elif arg["Type"] == "SoLocation2Event":
@@ -619,7 +618,7 @@ class Line(Creator):
                             self.finish(True,cont=True)
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         self.removeTemporaryObject()
         if self.oldWP:
             FreeCAD.DraftWorkingPlane = self.oldWP
@@ -670,7 +669,7 @@ class Line(Creator):
         self.obj = None
 
     def undolast(self):
-        "undoes last line segment"
+        """undoes last line segment"""
         if (len(self.node) > 1):
             self.node.pop()
             last = self.node[-1]
@@ -686,7 +685,7 @@ class Line(Creator):
                 FreeCAD.Console.PrintMessage(translate("draft", "Pick next point")+"\n")
 
     def drawSegment(self,point):
-        "draws a new segment"
+        """draws a new segment"""
         if self.planetrack and self.node:
             self.planetrack.set(self.node[-1])
         if (len(self.node) == 1):
@@ -708,7 +707,7 @@ class Line(Creator):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick next point")+"\n")
 
     def wipe(self):
-        "removes all previous segments and starts from last point"
+        """removes all previous segments and starts from last point"""
         if len(self.node) > 1:
             # self.obj.Shape.nullify() - for some reason this fails
             self.obj.ViewObject.Visibility = False
@@ -737,7 +736,7 @@ class Line(Creator):
                     self.planetrack.set(self.node[-1])
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         self.node.append(self.point)
         self.drawSegment(self.point)
@@ -746,7 +745,7 @@ class Line(Creator):
         self.ui.setNextFocus()
 
 class Wire(Line):
-    "a FreeCAD command for creating a wire"
+    """a FreeCAD command for creating a wire"""
 
     def __init__(self):
         Line.__init__(self,wiremode=True)
@@ -787,7 +786,7 @@ class Wire(Line):
 
  
 class BSpline(Line):
-    "a FreeCAD command for creating a B-spline"
+    """a FreeCAD command for creating a B-spline"""
 
     def __init__(self):
         Line.__init__(self,wiremode=True)
@@ -804,7 +803,7 @@ class BSpline(Line):
             self.bsplinetrack = bsplineTracker()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -838,7 +837,7 @@ class BSpline(Line):
                                 FreeCAD.Console.PrintMessage(translate("draft", "Spline has been closed")+"\n")
 
     def undolast(self):
-        "undoes last line segment"
+        """undoes last line segment"""
         if (len(self.node) > 1):
             self.node.pop()
             self.bsplinetrack.update(self.node)
@@ -860,7 +859,7 @@ class BSpline(Line):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick next point, or Finish (shift-F) or close (o)")+"\n")
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         if self.ui:
             self.bsplinetrack.finalize()
         if not Draft.getParam("UiMode",1):
@@ -887,7 +886,7 @@ class BSpline(Line):
                 self.Activated()
 
 class BezCurve(Line):
-    "a FreeCAD command for creating a Bezier Curve"
+    """a FreeCAD command for creating a Bezier Curve"""
 
     def __init__(self):
         Line.__init__(self,wiremode=True)
@@ -905,7 +904,7 @@ class BezCurve(Line):
             self.bezcurvetrack = bezcurveTracker()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -940,7 +939,7 @@ class BezCurve(Line):
                                 FreeCAD.Console.PrintMessage(translate("draft", "Bezier curve has been closed")+"\n")
 
     def undolast(self):
-        "undoes last line segment"
+        """undoes last line segment"""
         if (len(self.node) > 1):
             self.node.pop()
             self.bezcurvetrack.update(self.node,degree=self.degree)
@@ -979,7 +978,7 @@ class BezCurve(Line):
         return(w)
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         if self.ui:
             if hasattr(self,"bezcurvetrack"):
                 self.bezcurvetrack.finalize()
@@ -1006,7 +1005,7 @@ class BezCurve(Line):
                 self.Activated()
 
 class CubicBezCurve(Line):
-    "a FreeCAD command for creating a 3rd degree Bezier Curve"
+    """a FreeCAD command for creating a 3rd degree Bezier Curve"""
 
     def __init__(self):
         Line.__init__(self,wiremode=True)
@@ -1024,7 +1023,7 @@ class CubicBezCurve(Line):
             self.bezcurvetrack = bezcurveTracker()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -1093,7 +1092,7 @@ class CubicBezCurve(Line):
                             # old code has been to insensitive
 
     def undolast(self):
-        "undoes last line segment"
+        """undoes last line segment"""
         if (len(self.node) > 1):
             self.node.pop()
             self.bezcurvetrack.update(self.node,degree=self.degree)
@@ -1138,7 +1137,7 @@ class CubicBezCurve(Line):
         return(w)
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         if self.ui:
             if hasattr(self,"bezcurvetrack"):
                 self.bezcurvetrack.finalize()
@@ -1171,7 +1170,7 @@ class CubicBezCurve(Line):
 
 
 class FinishLine:
-    "a FreeCAD command to finish any running Line drawing operation"
+    """a FreeCAD command to finish any running Line drawing operation"""
 
     def Activated(self):
         if (FreeCAD.activeDraftCommand != None):
@@ -1191,7 +1190,7 @@ class FinishLine:
 
 
 class CloseLine:
-    "a FreeCAD command to close any running Line drawing operation"
+    """a FreeCAD command to close any running Line drawing operation"""
 
     def Activated(self):
         if (FreeCAD.activeDraftCommand != None):
@@ -1211,7 +1210,7 @@ class CloseLine:
 
 
 class UndoLine:
-    "a FreeCAD command to undo last drawn segment of a line"
+    """a FreeCAD command to undo last drawn segment of a line"""
 
     def Activated(self):
         if (FreeCAD.activeDraftCommand != None):
@@ -1231,7 +1230,7 @@ class UndoLine:
 
 
 class Rectangle(Creator):
-    "the Draft_Rectangle FreeCAD command definition"
+    """the Draft_Rectangle FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Rectangle',
@@ -1254,7 +1253,7 @@ class Rectangle(Creator):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick first point")+"\n")
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         Creator.finish(self)
         if self.ui:
             if hasattr(self,"fillstate"):
@@ -1266,7 +1265,7 @@ class Rectangle(Creator):
                 self.Activated()
 
     def createObject(self):
-        "creates the final object in the current doc"
+        """creates the final object in the current doc"""
         p1 = self.node[0]
         p3 = self.node[-1]
         diagonal = p3.sub(p1)
@@ -1312,7 +1311,7 @@ class Rectangle(Creator):
         self.finish(cont=True)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -1333,7 +1332,7 @@ class Rectangle(Creator):
                         self.appendPoint(self.point)
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         self.appendPoint(self.point)
 
@@ -1352,7 +1351,7 @@ class Rectangle(Creator):
 
 
 class Arc(Creator):
-    "the Draft_Arc FreeCAD command definition"
+    """the Draft_Arc FreeCAD command definition"""
 
     def __init__(self):
         self.closedCircle=False
@@ -1383,7 +1382,7 @@ class Arc(Creator):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick center point")+"\n")
 
     def finish(self,closed=False,cont=False):
-        "finishes the arc"
+        """finishes the arc"""
         Creator.finish(self)
         if self.ui:
             self.linetrack.finalize()
@@ -1415,7 +1414,7 @@ class Arc(Creator):
         self.angle = newangle
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -1550,7 +1549,7 @@ class Arc(Creator):
                         self.drawArc()
 
     def drawArc(self):
-        "actually draws the FreeCAD object"
+        """actually draws the FreeCAD object"""
         rot,sup,pts,fil = self.getStrings()
         if self.closedCircle:
             try:
@@ -1618,7 +1617,7 @@ class Arc(Creator):
         self.finish(cont=True)
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.center = Vector(numx,numy,numz)
         self.node = [self.center]
         self.arctrack.setCenter(self.center)
@@ -1629,7 +1628,7 @@ class Arc(Creator):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick radius")+"\n")
 
     def numericRadius(self,rad):
-        "this function gets called by the toolbar when valid radius have been entered there"
+        """this function gets called by the toolbar when valid radius have been entered there"""
         if (self.step == 1):
             self.rad = rad
             if len(self.tangents) == 2:
@@ -1674,7 +1673,7 @@ class Arc(Creator):
 
 
 class Circle(Arc):
-    "The Draft_Circle FreeCAD command definition"
+    """The Draft_Circle FreeCAD command definition"""
 
     def __init__(self):
         self.closedCircle=True
@@ -1688,7 +1687,7 @@ class Circle(Arc):
 
 
 class Polygon(Creator):
-    "the Draft_Polygon FreeCAD command definition"
+    """the Draft_Polygon FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Polygon',
@@ -1716,7 +1715,7 @@ class Polygon(Creator):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick center point")+"\n")
 
     def finish(self,closed=False,cont=False):
-        "finishes the arc"
+        """finishes the arc"""
         Creator.finish(self)
         if self.ui:
             self.arctrack.finalize()
@@ -1725,7 +1724,7 @@ class Polygon(Creator):
                 self.Activated()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -1817,7 +1816,7 @@ class Polygon(Creator):
                         self.drawPolygon()
 
     def drawPolygon(self):
-        "actually draws the FreeCAD object"
+        """actually draws the FreeCAD object"""
         rot,sup,pts,fil = self.getStrings()
         FreeCADGui.addModule("Draft")
         if Draft.getParam("UsePartPrimitives",False):
@@ -1844,7 +1843,7 @@ class Polygon(Creator):
         self.finish(cont=True)
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.center = Vector(numx,numy,numz)
         self.node = [self.center]
         self.arctrack.setCenter(self.center)
@@ -1855,7 +1854,7 @@ class Polygon(Creator):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick radius")+"\n")
 
     def numericRadius(self,rad):
-        "this function gets called by the toolbar when valid radius have been entered there"
+        """this function gets called by the toolbar when valid radius have been entered there"""
         self.rad = rad
         if len(self.tangents) == 2:
             cir = DraftGeomUtils.circleFrom2tan1rad(self.tangents[0], self.tangents[1], rad)
@@ -1873,7 +1872,7 @@ class Polygon(Creator):
 
 
 class Ellipse(Creator):
-    "the Draft_Ellipse FreeCAD command definition"
+    """the Draft_Ellipse FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Ellipse',
@@ -1893,7 +1892,7 @@ class Ellipse(Creator):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick first point")+"\n")
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation and closes the poly if asked"
+        """terminates the operation and closes the poly if asked"""
         Creator.finish(self)
         if self.ui:
             self.rect.off()
@@ -1903,7 +1902,7 @@ class Ellipse(Creator):
                 self.Activated()
 
     def createObject(self):
-        "creates the final object in the current doc"
+        """creates the final object in the current doc"""
         p1 = self.node[0]
         p3 = self.node[-1]
         diagonal = p3.sub(p1)
@@ -1952,7 +1951,7 @@ class Ellipse(Creator):
         self.finish(cont=True)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -1973,7 +1972,7 @@ class Ellipse(Creator):
                         self.appendPoint(self.point)
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         self.appendPoint(self.point)
 
@@ -1992,7 +1991,7 @@ class Ellipse(Creator):
 
 
 class Text(Creator):
-    "This class creates an annotation feature."
+    """This class creates an annotation feature."""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Text',
@@ -2016,7 +2015,7 @@ class Text(Creator):
             FreeCADGui.draftToolBar.show()
 
     def finish(self,closed=False,cont=False):
-        "terminates the operation"
+        """terminates the operation"""
         Creator.finish(self)
         if self.ui:
             del self.dialog
@@ -2024,7 +2023,7 @@ class Text(Creator):
                 self.Activated()
 
     def createObject(self):
-        "creates an object in the current doc"
+        """creates an object in the current doc"""
         tx = '['
         for l in self.text:
             if len(tx) > 1:
@@ -2045,7 +2044,7 @@ class Text(Creator):
         self.finish(cont=True)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -2072,7 +2071,7 @@ class Text(Creator):
 
 
 class Dimension(Creator):
-    "The Draft_Dimension FreeCAD command definition"
+    """The Draft_Dimension FreeCAD command definition"""
 
     def __init__(self):
         self.max=2
@@ -2121,7 +2120,7 @@ class Dimension(Creator):
                 FreeCADGui.draftToolBar.show()
 
     def setFromSelection(self):
-        "If we already have selected geometry, fill the nodes accordingly"
+        """If we already have selected geometry, fill the nodes accordingly"""
         sel = FreeCADGui.Selection.getSelectionEx()
         import DraftGeomUtils
         if len(sel) == 1:
@@ -2148,7 +2147,7 @@ class Dimension(Creator):
                         self.link = [sel[0].Object,n]
 
     def hasMeasures(self):
-        "checks if only measurements objects are selected"
+        """checks if only measurements objects are selected"""
         sel = FreeCADGui.Selection.getSelection()
         if not sel:
             return False
@@ -2158,7 +2157,7 @@ class Dimension(Creator):
         return True
 
     def finish(self,closed=False):
-        "terminates the operation"
+        """terminates the operation"""
         self.cont = None
         self.dir = None
         Creator.finish(self)
@@ -2180,7 +2179,7 @@ class Dimension(Creator):
                          'FreeCAD.ActiveDocument.recompute()'])
 
     def createObject(self):
-        "creates an object in the current doc"
+        """creates an object in the current doc"""
         FreeCADGui.addModule("Draft")
         if self.angledata:
             normal = "None"
@@ -2236,7 +2235,7 @@ class Dimension(Creator):
         self.selectmode = not(self.selectmode)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -2413,7 +2412,7 @@ class Dimension(Creator):
                         self.finish()
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         self.node.append(self.point)
         self.dimtrack.update(self.node)
@@ -2425,7 +2424,7 @@ class Dimension(Creator):
                 self.finish()
 
 class ShapeString(Creator):
-    "This class creates a shapestring feature."
+    """This class creates a shapestring feature."""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_ShapeString',
@@ -2462,7 +2461,7 @@ class ShapeString(Creator):
                 FreeCADGui.draftToolBar.show()
 
     def createObject(self):
-        "creates object in the current doc"
+        """creates object in the current doc"""
         #print("debug: D_T ShapeString.createObject type(self.SString): "  str(type(self.SString)))
 
         dquote = '"'
@@ -2493,7 +2492,7 @@ class ShapeString(Creator):
         self.finish()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -2541,7 +2540,7 @@ class ShapeString(Creator):
         self.createObject()
 
     def finish(self, finishbool=False):
-        "terminates the operation"
+        """terminates the operation"""
         Creator.finish(self)
         if self.ui:
 #            del self.dialog                       # what does this do??
@@ -2553,14 +2552,14 @@ class ShapeString(Creator):
 #---------------------------------------------------------------------------
 
 class Modifier(DraftTool):
-    "A generic Modifier Tool, used by modification tools such as move"
+    """A generic Modifier Tool, used by modification tools such as move"""
 
     def __init__(self):
         DraftTool.__init__(self)
         self.copymode = False
 
 class Move(Modifier):
-    "The Draft_Move FreeCAD command definition"
+    """The Draft_Move FreeCAD command definition"""
 
     def __init__(self):
         Modifier.__init__(self)
@@ -2610,7 +2609,7 @@ class Move(Modifier):
         Modifier.finish(self)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
             self.finish()
         elif arg["Type"] == "SoLocation2Event":
@@ -2728,7 +2727,7 @@ class Move(Modifier):
             ['Draft.move('+objects+','+DraftVecUtils.toString(self.vector)+',copy='+str(self.ui.isCopy.isChecked())+')', 'FreeCAD.ActiveDocument.recompute()'])
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         if not self.node:
             self.node.append(self.point)
@@ -2745,7 +2744,7 @@ class Move(Modifier):
 
 
 class ApplyStyle(Modifier):
-    "The Draft_ApplyStyle FreeCA command definition"
+    """The Draft_ApplyStyle FreeCA command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Apply',
@@ -2782,7 +2781,7 @@ class ApplyStyle(Modifier):
                 c.append('Draft.formatObject(FreeCAD.ActiveDocument.'+ob.Name+')')
 
 class Rotate(Modifier):
-    "The Draft_Rotate FreeCAD command definition"
+    """The Draft_Rotate FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Rotate',
@@ -2821,7 +2820,7 @@ class Rotate(Modifier):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick rotation center")+"\n")
 
     def action(self, arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
                 self.finish()
         elif arg["Type"] == "SoLocation2Event":
@@ -2939,7 +2938,7 @@ class Rotate(Modifier):
                     self.ghosts.append(ghostTracker(subelement))
 
     def finish(self, closed=False, cont=False):
-        "finishes the arc"
+        """finishes the arc"""
         if self.arctrack:
             self.arctrack.finalize()
         for ghost in self.ghosts:
@@ -3020,7 +3019,7 @@ class Rotate(Modifier):
             'FreeCAD.ActiveDocument.recompute()'])
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.center = Vector(numx,numy,numz)
         self.node = [self.center]
         self.arctrack.setCenter(self.center)
@@ -3033,7 +3032,7 @@ class Rotate(Modifier):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick base angle")+"\n")
 
     def numericRadius(self,rad):
-        "this function gets called by the toolbar when valid radius have been entered there"
+        """this function gets called by the toolbar when valid radius have been entered there"""
         if (self.step == 1):
             self.ui.labelRadius.setText(translate("draft","Rotation"))
             self.firstangle = math.radians(rad)
@@ -3050,7 +3049,7 @@ class Rotate(Modifier):
 
 
 class Offset(Modifier):
-    "The Draft_Offset FreeCAD command definition"
+    """The Draft_Offset FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Offset',
@@ -3125,7 +3124,7 @@ class Offset(Modifier):
             self.running = True
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -3241,7 +3240,7 @@ class Offset(Modifier):
 
 
 class Stretch(Modifier):
-    "The Draft_Stretch FreeCAD command definition"
+    """The Draft_Stretch FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Stretch',
@@ -3302,7 +3301,7 @@ class Stretch(Modifier):
             FreeCAD.Console.PrintMessage(translate("draft", "Pick first point of selection rectangle")+"\n")
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -3408,7 +3407,7 @@ class Stretch(Modifier):
             self.ui.redraw()
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         point = Vector(numx,numy,numz)
         self.addPoint(point)
 
@@ -3421,7 +3420,7 @@ class Stretch(Modifier):
         Modifier.finish(self)
 
     def doStretch(self):
-        "does the actual stretching"
+        """does the actual stretching"""
         commitops = []
         if self.displacement:
             if self.displacement.Length > 0:
@@ -3696,10 +3695,10 @@ class Downgrade(Modifier):
         self.finish()
 
 class Trimex(Modifier):
-    ''' The Draft_Trimex FreeCAD command definition.
+    """The Draft_Trimex FreeCAD command definition.
     This tool trims or extends lines, wires and arcs,
     or extrudes single faces. SHIFT constrains to the last point
-    or extrudes in direction to the face normal.'''
+    or extrudes in direction to the face normal."""
 
     def GetResources(self):
         return {'Pixmap' : 'Draft_Trimex',
@@ -3792,7 +3791,7 @@ class Trimex(Modifier):
         FreeCAD.Console.PrintMessage(translate("draft", "Pick distance")+"\n")
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -3828,7 +3827,7 @@ class Trimex(Modifier):
                 self.finish()
 
     def extrude(self,shift=False,real=False):
-        "redraws the ghost in extrude mode"
+        """redraws the ghost in extrude mode"""
         self.newpoint = self.obj.Shape.Faces[0].CenterOfMass
         dvec = self.point.sub(self.newpoint)
         if not shift: delta = DraftVecUtils.project(dvec,self.normal)
@@ -3845,7 +3844,7 @@ class Trimex(Modifier):
         return delta.Length
 
     def redraw(self,point,snapped=None,shift=False,alt=False,real=None):
-        "redraws the ghost"
+        """redraws the ghost"""
 
         # initializing
         reverse = False
@@ -3964,7 +3963,7 @@ class Trimex(Modifier):
         else: return dist
 
     def trimObject(self):
-        "trims the actual object"
+        """trims the actual object"""
         if self.extrudeMode:
             delta = self.extrude(self.shift,real=True)
             #print("delta",delta)
@@ -4025,7 +4024,7 @@ class Trimex(Modifier):
         for g in self.ghost: g.off()
 
     def trimObjects(self,objectslist):
-        "attempts to trim two objects together"
+        """attempts to trim two objects together"""
         import Part
         wires = []
         for obj in objectslist:
@@ -4109,7 +4108,7 @@ class Trimex(Modifier):
             Draft.select(self.obj)
 
     def numericRadius(self,dist):
-        "this function gets called by the toolbar when valid distance have been entered there"
+        """this function gets called by the toolbar when valid distance have been entered there"""
         self.force = dist
         self.trimObject()
         self.finish()
@@ -4177,7 +4176,7 @@ class Scale(Modifier):
         self.call = self.view.addEventCallback("SoEvent",self.action)
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
             self.finish()
         elif arg["Type"] == "SoLocation2Event":
@@ -4289,7 +4288,7 @@ class Scale(Modifier):
             ghost.on()
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when a valid base point has been entered"
+        """this function gets called by the toolbar when a valid base point has been entered"""
         self.point = Vector(numx,numy,numz)
         self.node.append(self.point)
         if not self.pickmode:
@@ -4326,7 +4325,7 @@ class Scale(Modifier):
             ghost.finalize()
 
 class ToggleConstructionMode():
-    "The Draft_ToggleConstructionMode FreeCAD command definition"
+    """The Draft_ToggleConstructionMode FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Construction',
@@ -4339,7 +4338,7 @@ class ToggleConstructionMode():
 
 
 class ToggleContinueMode():
-    "The Draft_ToggleContinueMode FreeCAD command definition"
+    """The Draft_ToggleContinueMode FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Rotate',
@@ -4351,7 +4350,7 @@ class ToggleContinueMode():
 
 
 class Drawing(Modifier):
-    "The Draft Drawing command definition"
+    """The Draft Drawing command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Drawing',
@@ -4410,7 +4409,7 @@ class Drawing(Modifier):
             self.doc.recompute()
 
     def createDefaultPage(self):
-        "created a default page"
+        """created a default page"""
         template = Draft.getParam("template",FreeCAD.getResourceDir()+'Mod/Drawing/Templates/A3_Landscape.svg')
         page = self.doc.addObject('Drawing::FeaturePage','Page')
         page.ViewObject.HintOffsetX = 200
@@ -4422,7 +4421,7 @@ class Drawing(Modifier):
 
 
 class ToggleDisplayMode():
-    "The ToggleDisplayMode FreeCAD command definition"
+    """The ToggleDisplayMode FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_SwitchMode',
@@ -4446,7 +4445,7 @@ class ToggleDisplayMode():
                     obj.ViewObject.DisplayMode = "Flat Lines"
 
 class EditImproved(Modifier):
-    "The Draft_Edit_Improved FreeCAD command definition"
+    """The Draft_Edit_Improved FreeCAD command definition"""
 
     def __init__(self):
         self.is_running = False
@@ -4531,7 +4530,7 @@ class EditImproved(Modifier):
                 pass
 
 class AddToGroup():
-    "The AddToGroup FreeCAD command definition"
+    """The AddToGroup FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_AddToGroup',
@@ -4575,7 +4574,7 @@ class AddToGroup():
 
 
 class AddPoint(Modifier):
-    "The Draft_AddPoint FreeCAD command definition"
+    """The Draft_AddPoint FreeCAD command definition"""
 
     def __init__(self):
         self.running = False
@@ -4600,7 +4599,7 @@ class AddPoint(Modifier):
 
 
 class DelPoint(Modifier):
-    "The Draft_DelPoint FreeCAD command definition"
+    """The Draft_DelPoint FreeCAD command definition"""
 
     def __init__(self):
         self.running = False
@@ -4625,7 +4624,7 @@ class DelPoint(Modifier):
 
 
 class WireToBSpline(Modifier):
-    "The Draft_Wire2BSpline FreeCAD command definition"
+    """The Draft_Wire2BSpline FreeCAD command definition"""
 
     def __init__(self):
         self.running = False
@@ -4670,7 +4669,7 @@ class WireToBSpline(Modifier):
 
 
 class SelectGroup():
-    "The SelectGroup FreeCAD command definition"
+    """The SelectGroup FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_SelectGroup',
@@ -4702,7 +4701,7 @@ class SelectGroup():
 
 
 class Shape2DView(Modifier):
-    "The Shape2DView FreeCAD command definition"
+    """The Shape2DView FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_2DShapeView',
@@ -4746,7 +4745,7 @@ class Shape2DView(Modifier):
 
 
 class Draft2Sketch(Modifier):
-    "The Draft2Sketch FreeCAD command definition"
+    """The Draft2Sketch FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Draft2Sketch',
@@ -4804,7 +4803,7 @@ class Draft2Sketch(Modifier):
 
 
 class Array(Modifier):
-    "The Shape2DView FreeCAD command definition"
+    """The Shape2DView FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Array',
@@ -4834,7 +4833,7 @@ class Array(Modifier):
         self.finish()
 
 class PathArray(Modifier):
-    "The PathArray FreeCAD command definition"
+    """The PathArray FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_PathArray',
@@ -4870,7 +4869,7 @@ class PathArray(Modifier):
         self.finish()
 
 class PointArray(Modifier):
-    "The PointArray FreeCAD command definition"
+    """The PointArray FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_PointArray',
@@ -4901,7 +4900,7 @@ class PointArray(Modifier):
         self.finish()
 
 class Point(Creator):
-    "this class will create a vertex after the user clicks a point on the screen"
+    """this class will create a vertex after the user clicks a point on the screen"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Point',
@@ -4938,7 +4937,7 @@ class Point(Creator):
             self.ui.displayPoint(self.point)
 
     def numericInput(self,numx,numy,numz):
-        "called when a numeric value is entered on the toolbar"
+        """called when a numeric value is entered on the toolbar"""
         self.point = FreeCAD.Vector(numx,numy,numz)
         self.click()
 
@@ -4974,14 +4973,14 @@ class Point(Creator):
             self.finish()
 
     def finish(self,cont=False):
-        "terminates the operation and restarts if needed"
+        """terminates the operation and restarts if needed"""
         Creator.finish(self)
         if self.ui:
             if self.ui.continueMode:
                 self.Activated()
 
 class ShowSnapBar():
-    "The ShowSnapBar FreeCAD command definition"
+    """The ShowSnapBar FreeCAD command definition"""
 
     def GetResources(self):
         return {'MenuText': QtCore.QT_TRANSLATE_NOOP("Draft_ShowSnapBar", "Show Snap Bar"),
@@ -4993,7 +4992,7 @@ class ShowSnapBar():
 
 
 class Draft_Clone(Modifier):
-    "The Draft Clone command definition"
+    """The Draft Clone command definition"""
 
     def __init__(self):
         Modifier.__init__(self)
@@ -5041,7 +5040,7 @@ class Draft_Clone(Modifier):
 
 
 class ToggleGrid():
-    "The Draft ToggleGrid command definition"
+    """The Draft ToggleGrid command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Grid',
@@ -5061,7 +5060,7 @@ class ToggleGrid():
                     FreeCADGui.Snapper.forceGridOff=False
 
 class Heal():
-    "The Draft Heal command definition"
+    """The Draft Heal command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Heal',
@@ -5079,7 +5078,7 @@ class Heal():
 
 
 class Draft_Facebinder(Creator):
-    "The Draft Facebinder command definition"
+    """The Draft Facebinder command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Facebinder',
@@ -5127,7 +5126,7 @@ class Draft_FlipDimension():
 
 
 class Mirror(Modifier):
-    "The Draft_Mirror FreeCAD command definition"
+    """The Draft_Mirror FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Mirror',
@@ -5169,7 +5168,7 @@ class Mirror(Modifier):
                 self.Activated()
 
     def mirror(self,p1,p2,copy=False):
-        "mirroring the real shapes"
+        """mirroring the real shapes"""
         sel = '['
         for o in self.sel:
             if len(sel) > 1:
@@ -5182,7 +5181,7 @@ class Mirror(Modifier):
                      'FreeCAD.ActiveDocument.recompute()'])
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -5234,7 +5233,7 @@ class Mirror(Modifier):
                             self.finish(cont=True)
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         if not self.node:
             self.node.append(self.point)
@@ -5305,7 +5304,7 @@ class Draft_Slope():
 
 
 class SetAutoGroup():
-    "The SetAutoGroup FreeCAD command definition"
+    """The SetAutoGroup FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_AutoGroup',
@@ -5361,7 +5360,7 @@ class SetAutoGroup():
 
 
 class SetWorkingPlaneProxy():
-    "The SetWorkingPlaneProxy FreeCAD command definition"
+    """The SetWorkingPlaneProxy FreeCAD command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_SelectPlane',
@@ -5384,7 +5383,7 @@ class SetWorkingPlaneProxy():
 
 
 class Draft_Label(Creator):
-    "The Draft_Label command definition"
+    """The Draft_Label command definition"""
 
     def GetResources(self):
         return {'Pixmap'  : 'Draft_Label',
@@ -5458,7 +5457,7 @@ class Draft_Label(Creator):
         self.finish()
 
     def action(self,arg):
-        "scene event handler"
+        """scene event handler"""
         if arg["Type"] == "SoKeyboardEvent":
             if arg["Key"] == "ESCAPE":
                 self.finish()
@@ -5494,7 +5493,7 @@ class Draft_Label(Creator):
                         self.create()
 
     def numericInput(self,numx,numy,numz):
-        "this function gets called by the toolbar when valid x, y, and z have been entered there"
+        """this function gets called by the toolbar when valid x, y, and z have been entered there"""
         self.point = Vector(numx,numy,numz)
         if not self.node:
             # first click