Fix incompatibilites between Python 2 and Python 3

common/swig/dlist.i

@@ -39,7 +39,10 @@
             def __init__(self,aList):
                 self.last = aList   # last item is the start of list
 
-            def next(self):         # get the next item
+            def next(self):         # get the next item, Python 2 way to implement an iterator
+                return self.__next__()
+
+            def __next__(self):     # get the next item
 
                 item = self.last
                 try:

common/swig/kiway.i

@@ -220,28 +220,28 @@ if os.path.exists(libcef_so):
     %{
 
     def OnPgmInit(self):
-        print "hereA"
+        print("hereA")
 
         if not self.InitPgm():
             return False;
 
-        print "hereB"
+        print("hereB")
 
         try:
             # A KIWAY_PLAYER is a wx.Window
             frame = Kiway.Player( FRAME_SCH, True )
 
-            print "here0"
+            print("here0")
 
         except IOError as e:
-            print 'Player()', e
+            print('Player()', e)
             return None
 
-        print "here1"
+        print("here1")
 
         Kiway.SetTop(frame)
 
-        print "here2"
+        print("here2")
 
         return frame
     %}

pcbnew/python/examples/createPcb.py

@@ -1,4 +1,7 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
+
+from __future__ import print_function
+
 from pcbnew import *
 
 size_0_6mm = wxSizeMM(0.6,0.6)
@@ -38,11 +41,11 @@ pcb.Save("my2.kicad_pcb")
 
 pcb = LoadBoard("my2.kicad_pcb")
 
-print map( lambda x: x.GetReference() , list(pcb.GetModules()))
+print(map( lambda x: x.GetReference() , list(pcb.GetModules())))
 
 for m in pcb.GetModules():
     for p in m.Pads():
-        print 'pad ', p.GetName(), p.GetPosition(), p.GetOffset()
+        print('pad ', p.GetName(), p.GetPosition(), p.GetOffset())
 
 
 # pcb.GetDesignSettings()

pcbnew/python/examples/hidePcbValuesShowReferences.py

@@ -7,7 +7,7 @@ filename=sys.argv[1]
 pcb = LoadBoard(filename)
 
 for module in pcb.GetModules():
-    print "* Module: %s"%module.GetReference()
+    print("* Module: %s" % module.GetReference())
     module.Value().SetVisible(False)      # set Value as Hidden
     module.Reference().SetVisible(True)   # set Reference as Visible
 

pcbnew/python/examples/listPcb.py

@@ -1,4 +1,7 @@
 #!/usr/bin/env python
+
+from __future__ import print_function
+
 import sys
 from pcbnew import *
 
@@ -11,7 +14,7 @@ FromUnits = FromMM
 #ToUnits=ToMils
 #FromUnits=FromMils
 
-print "LISTING VIAS:"
+print("LISTING VIAS:")
 
 for item in pcb.GetTracks():
     if type(item) is VIA:
@@ -19,7 +22,7 @@ for item in pcb.GetTracks():
         pos = item.GetPosition()
         drill = item.GetDrillValue()
         width = item.GetWidth()
-        print " * Via:   %s - %f/%f "%(ToUnits(pos),ToUnits(drill),ToUnits(width))
+        print(" * Via:   %s - %f/%f " % (ToUnits(pos), ToUnits(drill), ToUnits(width)))
 
     elif type(item) is TRACK:
 
@@ -27,40 +30,39 @@ for item in pcb.GetTracks():
         end = item.GetEnd()
         width = item.GetWidth()
 
-        print " * Track: %s to %s, width %f" % (ToUnits(start),ToUnits(end),ToUnits(width))
+        print(" * Track: %s to %s, width %f" % (ToUnits(start), ToUnits(end), ToUnits(width)))
 
     else:
-        print "Unknown type    %s" % type(item)
+        print("Unknown type    %s" % type(item))
 
-print ""
-print "LIST DRAWINGS:"
+print("")
+print("LIST DRAWINGS:")
 
 for item in pcb.GetDrawings():
     if type(item) is TEXTE_PCB:
-        print "* Text:    '%s' at %s"%(item.GetText(), item.GetPosition())
+        print("* Text:    '%s' at %s" % (item.GetText(), item.GetPosition()))
     elif type(item) is DRAWSEGMENT:
-        print "* Drawing: %s"%item.GetShapeStr() # dir(item)
+        print("* Drawing: %s" % item.GetShapeStr())  # dir(item)
     else:
-        print type(item)
+        print(type(item))
 
-print ""
-print "LIST MODULES:"
+print("")
+print("LIST MODULES:")
 
 for module in pcb.GetModules():
-    print "* Module: %s at %s"%(module.GetReference(), ToUnits(module.GetPosition()))
+    print("* Module: %s at %s" % (module.GetReference(), ToUnits(module.GetPosition())))
 
-print ""
-print "Nets cnt: ", pcb.GetNetCount()
-print "track w cnt:",len(pcb.GetTrackWidthList())
-print "via s cnt:",len(pcb.GetViasDimensionsList())
+print("")
+print("Nets cnt: ", pcb.GetNetCount())
+print("track w cnt:", len(pcb.GetTrackWidthList()))
+print("via s cnt:", len(pcb.GetViasDimensionsList()))
 
-print ""
-print "LIST ZONES:", pcb.GetAreaCount()
+print("")
+print("LIST ZONES:", pcb.GetAreaCount())
 
 for idx in range(0, pcb.GetAreaCount()):
     zone=pcb.GetArea(idx)
-    print "zone:", idx, "priority:", zone.GetPriority(), "netname", zone.GetNetname()
-
-print ""
-print "NetClasses:", pcb.GetNetClasses().GetCount(),
+    print("zone:", idx, "priority:", zone.GetPriority(), "netname", zone.GetNetname())
 
+print("")
+print("NetClasses:", pcb.GetNetClasses().GetCount())

pcbnew/swig/tests/test1.py

@@ -1,11 +1,11 @@
+from __future__ import print_function
+
 import pcbnew
 
 pcb = pcbnew.GetBoard()
 
 for m in pcb.GetModules():
-    print m.GetPosition()
+    print(m.GetPosition())
     for p in m.Pads():
-        print "p=>",p.GetPosition(),p.GetName()
-        print p.GetPosition()
-
-
+        print("p=>", p.GetPosition(), p.GetName())
+        print(p.GetPosition())

pcbnew/swig/tests/test2.py

@@ -1,8 +1,10 @@
+from __future__ import print_function
+
 import pcbnew
 
 pcb = pcbnew.GetBoard()
 
 for m in pcb.GetModules():
-    print m.GetReference(),"(",m.GetValue(),") at ", m.GetPosition()
+    print(m.GetReference(), "(", m.GetValue(), ") at ", m.GetPosition())
     for p in m.Pads():
-        print "    pad",p.GetName(), "at",p.GetPosition()
+        print("    pad", p.GetName(), "at", p.GetPosition())

qa/testcases/test_001_pcb_load.py

@@ -45,4 +45,3 @@ class TestPCBLoad(unittest.TestCase):
 
 if __name__ == '__main__':
     unittest.main()
-