py3: some diff for fem with py3

src/Mod/Fem/FemToolsCcx.py

@@ -28,6 +28,7 @@ __url__ = "http://www.freecadweb.org"
 ## \addtogroup FEM
 #  @{
 
+import sys
 import FreeCAD
 import FemTools
 from PySide import QtCore
@@ -121,7 +122,10 @@ class FemToolsCcx(FemTools.FemTools):
                 import subprocess
                 p1 = subprocess.Popen(['which', 'ccx'], stdout=subprocess.PIPE)
                 if p1.wait() == 0:
-                    ccx_path = p1.stdout.read().split('\n')[0]
+                    if sys.version_info.major >= 3:
+                        ccx_path = str(p1.stdout.read()).split('\n')[0]
+                    else:
+                        ccx_path = p1.stdout.read().split('\n')[0]
                 elif p1.wait() == 1:
                     error_message = "FEM: CalculiX binary ccx not found in standard system binary path. Please install ccx or set path to binary in FEM preferences tab CalculiX.\n"
                     if FreeCAD.GuiUp:
@@ -153,20 +157,20 @@ class FemToolsCcx(FemTools.FemTools):
                                  stderr=subprocess.PIPE, shell=False,
                                  startupinfo=startup_info)
             ccx_stdout, ccx_stderr = p.communicate()
-            if ccx_binary_sig in ccx_stdout:
+            if ccx_binary_sig in str(ccx_stdout):
                 self.ccx_binary_present = True
             else:
                 raise Exception("FEM: wrong ccx binary")  # since we raise an exception the try will fail and the exception later with the error popup will be raised
                 # TODO: I'm still able to break it. If user gives not a file but a path without a file or a file which is not a binary no excetion at all is raised.
         except OSError as e:
-            FreeCAD.Console.PrintError(e.message)
+            FreeCAD.Console.PrintError(str(e))
             if e.errno == 2:
                 error_message = "FEM: CalculiX binary ccx \'{}\' not found. Please set the CalculiX binary ccx path in FEM preferences tab CalculiX.\n".format(ccx_binary)
                 if FreeCAD.GuiUp:
                     QtGui.QMessageBox.critical(None, error_title, error_message)
                 raise Exception(error_message)
         except Exception as e:
-            FreeCAD.Console.PrintError(e.message)
+            FreeCAD.Console.PrintError(str(e))
             error_message = "FEM: CalculiX ccx \'{}\' output \'{}\' doesn't contain expected phrase \'{}\'. Please use ccx 2.6 or newer\n".format(ccx_binary, ccx_stdout, ccx_binary_sig)
             if FreeCAD.GuiUp:
                 QtGui.QMessageBox.critical(None, error_title, error_message)

src/Mod/Fem/PyGui/_TaskPanelFemMaterial.py

@@ -27,12 +27,16 @@ __url__ = "http://www.freecadweb.org"
 ## @package TaskPanelFemMaterial
 #  \ingroup FEM
 
+import sys
 import FreeCAD
 import FreeCADGui
 from FreeCAD import Units
 from PySide import QtCore, QtGui
 from PySide.QtGui import QFileDialog, QMessageBox
 
+if sys.version_info.major >= 3:
+    unicode = str
+
 
 class _TaskPanelFemMaterial:
     '''The editmode TaskPanel for FemMaterial objects'''

src/Mod/Fem/PyGui/_TaskPanelFemSolverCalculix.py

@@ -30,6 +30,7 @@ __url__ = "http://www.freecadweb.org"
 import FemToolsCcx
 import FreeCAD
 import os
+import sys
 import time
 import FreeCADGui
 import FemGui
@@ -38,6 +39,9 @@ from PySide.QtCore import Qt
 from PySide.QtGui import QApplication
 
 
+if sys.version_info.major >= 3:
+    unicode = str
+
 class _TaskPanelFemSolverCalculix:
     def __init__(self, solver_object):
         self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/PyGui/TaskPanelFemSolverCalculix.ui")

src/Mod/Material/Material.py

@@ -51,8 +51,12 @@ Version:
 
 def importFCMat(fileName):
     "Read a FCMat file into a dictionary"
-    import ConfigParser
-    Config = ConfigParser.ConfigParser()
+    try:
+        import ConfigParser as configparser
+    except ImportError:
+        import configparser
+
+    Config = configparser.ConfigParser()
     Config.optionxform = str
     Config.read(fileName)
     dict1 = {}
@@ -66,9 +70,12 @@ def importFCMat(fileName):
 
 def exportFCMat(fileName,matDict):
     "Write a material dictionary to a FCMat file"
-    import ConfigParser
+    try:
+        import ConfigParser as configparser
+    except ImportError:
+        import configparser
     import string
-    Config = ConfigParser.ConfigParser()
+    Config = configparser.ConfigParser()
 
     # create groups
     for x in matDict.keys():