port to python3

8 files changed, 109 insertions, 109 deletions

diff --git a/src/kicadtoNgspice/Analysis.py b/src/kicadtoNgspice/Analysis.py
index 43fcca0d..6aa167d6 100644
--- a/src/kicadtoNgspice/Analysis.py
+++ b/src/kicadtoNgspice/Analysis.py
@@ -1,6 +1,6 @@
 
 from PyQt4 import QtGui
-import TrackWidget
+from . import TrackWidget
 import os
 #from xml.etree import ElementTree as ET
 import json
@@ -34,11 +34,11 @@ class Analysis(QtGui.QWidget):
             kicadFile = self.clarg1
             (projpath,filename) = os.path.split(kicadFile)
             if os.path.isfile(os.path.join(projpath, 'analysis')):
-                print "Analysis file is present"
+                print("Analysis file is present")
                 
             analysisfile = open(os.path.join(projpath,'analysis'))
             content = analysisfile.readline()
-            print "Content of Analysis file :", content
+            print("Content of Analysis file :", content)
             contentlist= content.split()
 
             if contentlist[0] == '.ac':
@@ -140,7 +140,7 @@ class Analysis(QtGui.QWidget):
             json_data = json.loads(data)
         except:
             check = 0
-            print "AC Previous Values JSON is Empty"
+            print("AC Previous Values JSON is Empty")
             
         self.acbox = QtGui.QGroupBox()
         self.acbox.setTitle("AC Analysis")
@@ -254,7 +254,7 @@ class Analysis(QtGui.QWidget):
                 self.stop_fre_combo.setCurrentIndex(index)
 
             except:
-                print "AC Analysis JSON Parse Error"
+                print("AC Analysis JSON Parse Error")
                 
         return self.acbox
     
@@ -288,7 +288,7 @@ class Analysis(QtGui.QWidget):
             json_data = json.loads(data)
         except:
             check = 0
-            print "DC Previous Values JSON is empty"
+            print("DC Previous Values JSON is empty")
 
         self.dcbox = QtGui.QGroupBox()
         self.dcbox.setTitle("DC Analysis")
@@ -515,7 +515,7 @@ class Analysis(QtGui.QWidget):
                 else:
                     self.check.setChecked(False)
             except:
-                print "DC Analysis JSON Parse Error"
+                print("DC Analysis JSON Parse Error")
         
         return self.dcbox
    
@@ -555,7 +555,7 @@ class Analysis(QtGui.QWidget):
             json_data = json.loads(data)
         except:
             check = 0
-            print "Transient Previous Values JSON is Empty"
+            print("Transient Previous Values JSON is Empty")
             
         self.trbox = QtGui.QGroupBox()
         self.trbox.setTitle("Transient Analysis")
@@ -653,7 +653,7 @@ class Analysis(QtGui.QWidget):
                 index = self.stop_combobox.findText(json_data["analysis"]["tran"]["Stop Combo"])
                 self.stop_combobox.setCurrentIndex(index)
             except:
-                print "Transient Analysis JSON Parse Error"
+                print("Transient Analysis JSON Parse Error")
 
 
         return self.trbox    
diff --git a/src/kicadtoNgspice/Convert.py b/src/kicadtoNgspice/Convert.py
index 4405eff7..baf479f7 100644
--- a/src/kicadtoNgspice/Convert.py
+++ b/src/kicadtoNgspice/Convert.py
@@ -2,7 +2,7 @@ from PyQt4 import QtGui
 
 import os
 import shutil
-import TrackWidget
+from . import TrackWidget
 from xml.etree import ElementTree as ET
 
 class Convert:
@@ -40,7 +40,7 @@ class Convert:
                     self.addline = self.addline.partition('(')[0] + "("+vo_val+" "+va_val+" "+freq_val+" "+td_val+" "+theta_val+")"
                     self.sourcelistvalue.append([self.index,self.addline])
                 except:
-                    print "Caught an exception in sine voltage source ",self.addline
+                    print("Caught an exception in sine voltage source ",self.addline)
                     
             elif compline[1] == 'pulse':
                 try:
@@ -57,7 +57,7 @@ class Convert:
                     self.addline = self.addline.partition('(')[0] + "("+v1_val+" "+v2_val+" "+td_val+" "+tr_val+" "+tf_val+" "+pw_val+" "+tp_val+")"
                     self.sourcelistvalue.append([self.index,self.addline])
                 except:
-                    print "Caught an exception in pulse voltage source ",self.addline 
+                    print("Caught an exception in pulse voltage source ",self.addline) 
                     
             elif compline[1] == 'pwl':
                 try:
@@ -67,7 +67,7 @@ class Convert:
                     self.addline = self.addline.partition('(')[0] + "("+t_v_val+")"
                     self.sourcelistvalue.append([self.index,self.addline])
                 except:
-                    print "Caught an exception in pwl voltage source ",self.addline
+                    print("Caught an exception in pwl voltage source ",self.addline)
                     
             elif compline[1] == 'ac':
                 try:
@@ -79,7 +79,7 @@ class Convert:
                     self.addline = self.addline.partition('ac')[0] +" "+'ac'+" "+ va_val+" "+ph_val
                     self.sourcelistvalue.append([self.index,self.addline]) 
                 except:
-                    print "Caught an exception in ac voltage source ",self.addline
+                    print("Caught an exception in ac voltage source ",self.addline)
                     
             elif compline[1] == 'dc':
                 try:
@@ -90,7 +90,7 @@ class Convert:
                     self.addline = self.addline.partition('dc')[0] + " " +'dc'+ " "+v1_val
                     self.sourcelistvalue.append([self.index,self.addline]) 
                 except:
-                    print "Caught an exception in dc voltage source",self.addline
+                    print("Caught an exception in dc voltage source",self.addline)
                     
             elif compline[1] == 'exp':
                 try:
@@ -106,7 +106,7 @@ class Convert:
                     self.addline = self.addline.partition('(')[0] + "("+v1_val+" "+v2_val+" "+td1_val+" "+tau1_val+" "+td2_val+" "+tau2_val+")"
                     self.sourcelistvalue.append([self.index,self.addline])
                 except:
-                    print "Caught an exception in exp voltage source ",self.addline 
+                    print("Caught an exception in exp voltage source ",self.addline) 
                     
         #Updating Schematic with source value
         for item in self.sourcelistvalue:
@@ -231,22 +231,22 @@ class Convert:
                     addmodelLine=".model "+line[3]+"_secondary lcouple (num_turns ="+num_turns2+ ")"    
                     modelParamValue.append([line[0],addmodelLine,"*secondary lcouple"])    
                 except Exception as e:
-                    print "Caught an exception in transfo model ",line[1]
-                    print "Exception Message : ",str(e)
+                    print("Caught an exception in transfo model ",line[1])
+                    print("Exception Message : ",str(e))
                     
             elif line[2] == 'ic':
                 try:
                     start=line[7]
                     end=line[8]
-                    for key,value in line[9].iteritems():
+                    for key,value in line[9].items():
                         initVal = str(self.obj_track.model_entry_var[value].text())
                         if initVal=="":initVal="0"
                         node = line[1].split()[1] #Extracting node from model line
                         addmodelLine = ".ic v("+node+")="+initVal
                         modelParamValue.append([line[0],addmodelLine,line[4]])
                 except Exception as e:
-                    print "Caught an exception in initial condition ",line[1]
-                    print "Exception Message : ",str(e)
+                    print("Caught an exception in initial condition ",line[1])
+                    print("Exception Message : ",str(e))
                 
             
             else:
@@ -254,7 +254,7 @@ class Convert:
                     start = line[7]
                     end = line[8]
                     addmodelLine=".model "+ line[3]+" "+line[2]+"("
-                    for key,value in line[9].iteritems():
+                    for key,value in line[9].items():
                         #print "Tags: ",key
                         #print "Value: ",value
                         #Checking for default value and accordingly assign param and default.
@@ -287,8 +287,8 @@ class Convert:
                     addmodelLine += ") "
                     modelParamValue.append([line[0],addmodelLine,line[4]]) 
                 except Exception as e:
-                    print "Caught an exception in model ",line[1]
-                    print "Exception Message : ",str(e)        
+                    print("Caught an exception in model ",line[1])
+                    print("Exception Message : ",str(e))        
         
         
         #Adding it to schematic
@@ -315,17 +315,17 @@ class Convert:
         includeLine = [] #All .include line list
         
         if not deviceLibList:
-            print "No Library Added in the schematic"
+            print("No Library Added in the schematic")
             pass
         else:
             for eachline in schematicInfo:
                 words = eachline.split()
                 if words[0] in deviceLibList:
-                    print "Found Library line"
+                    print("Found Library line")
                     index = schematicInfo.index(eachline)
                     completeLibPath = deviceLibList[words[0]]
                     (libpath,libname) = os.path.split(completeLibPath)
-                    print "Library Path :",libpath                                      
+                    print("Library Path :",libpath)                                      
                     #Copying library from devicemodelLibrary to Project Path
                     #Special case for MOSFET
                     if eachline[0] == 'm':
@@ -364,7 +364,7 @@ class Convert:
             
             
             #Adding device line to schematicInfo
-            for index,value in deviceLine.iteritems():
+            for index,value in deviceLine.items():
                 #Update the device line
                 strLine = " ".join(str(item) for item in value)
                 schematicInfo[index] = strLine
@@ -395,17 +395,17 @@ class Convert:
             self.msg.show()
             raise Exception('All subcircuit directories need to be specified.')
         elif not subList:
-            print "No Subcircuit Added in the schematic"
+            print("No Subcircuit Added in the schematic")
             pass
         else:
             for eachline in schematicInfo:
                 words = eachline.split()
                 if words[0] in subList:
-                    print "Found Subcircuit line"
+                    print("Found Subcircuit line")
                     index = schematicInfo.index(eachline)
                     completeSubPath = subList[words[0]]
                     (subpath,subname) = os.path.split(completeSubPath)
-                    print "Library Path :",subpath                                      
+                    print("Library Path :",subpath)                                      
                     #Copying library from devicemodelLibrary to Project Path
                 
                     #Replace last word with library name
@@ -415,7 +415,7 @@ class Convert:
                     
                     src = completeSubPath
                     dst = projpath
-                    print os.listdir(src)
+                    print(os.listdir(src))
                     for files in os.listdir(src):
                         if os.path.isfile(os.path.join(src,files)):
                             if files != "analysis":
@@ -425,7 +425,7 @@ class Convert:
             
             
             #Adding subcircuit line to schematicInfo
-            for index,value in subLine.iteritems():
+            for index,value in subLine.items():
                 #Update the subcircuit line
                 strLine = " ".join(str(item) for item in value)
                 schematicInfo[index] = strLine
diff --git a/src/kicadtoNgspice/DeviceModel.py b/src/kicadtoNgspice/DeviceModel.py
index a775b8a5..ccc4c602 100644
--- a/src/kicadtoNgspice/DeviceModel.py
+++ b/src/kicadtoNgspice/DeviceModel.py
@@ -2,7 +2,7 @@ from PyQt4 import QtGui
 import os
 #from xml.etree import ElementTree as ET
 import json
-import TrackWidget
+from . import TrackWidget
 
 
 class DeviceModel(QtGui.QWidget):
@@ -23,7 +23,7 @@ class DeviceModel(QtGui.QWidget):
             data = f.read()
             json_data = json.loads(data)
         except:
-            print "Device Model Previous JSON is Empty"
+            print("Device Model Previous JSON is Empty")
         
         
         QtGui.QWidget.__init__(self)
@@ -48,12 +48,12 @@ class DeviceModel(QtGui.QWidget):
         #Set Layout
         self.grid = QtGui.QGridLayout()
         self.setLayout(self.grid)
-        print "Reading Device model details from Schematic"
+        print("Reading Device model details from Schematic")
         
         for eachline in schematicInfo:
             words = eachline.split()
             if eachline[0] == 'q':
-                print "Device Model Transistor: ",words[0]
+                print("Device Model Transistor: ",words[0])
                 self.devicemodel_dict_beg[words[0]] = self.count
                 transbox=QtGui.QGroupBox()
                 transgrid=QtGui.QGridLayout()
@@ -73,7 +73,7 @@ class DeviceModel(QtGui.QWidget):
                                 else:
                                     self.entry_var[self.count].setText("")
                             except:
-                                print "Error when set text of device model transistor"
+                                print("Error when set text of device model transistor")
                 except:
                     pass
 
@@ -108,7 +108,7 @@ class DeviceModel(QtGui.QWidget):
                 self.count = self.count + 1
                 
             elif eachline[0] == 'd':
-                print "Device Model Diode:",words[0]
+                print("Device Model Diode:",words[0])
                 self.devicemodel_dict_beg[words[0]] = self.count
                 diodebox = QtGui.QGroupBox()
                 diodegrid = QtGui.QGridLayout()
@@ -127,7 +127,7 @@ class DeviceModel(QtGui.QWidget):
                                 else:
                                     self.entry_var[self.count].setText("")
                             except:
-                                print "Error when set text of device model diode"
+                                print("Error when set text of device model diode")
                 except:
                     pass
 
@@ -162,7 +162,7 @@ class DeviceModel(QtGui.QWidget):
                 self.count = self.count + 1
                 
             elif eachline[0] == 'j':
-                print "Device Model JFET:",words[0]
+                print("Device Model JFET:",words[0])
                 self.devicemodel_dict_beg[words[0]] = self.count
                 jfetbox = QtGui.QGroupBox()
                 jfetgrid = QtGui.QGridLayout()
@@ -181,7 +181,7 @@ class DeviceModel(QtGui.QWidget):
                                 else:
                                     self.entry_var[self.count].setText("")
                             except:
-                                print "Error when set text of Device Model JFET "
+                                print("Error when set text of Device Model JFET ")
                 except:
                     pass
 
@@ -301,7 +301,7 @@ class DeviceModel(QtGui.QWidget):
         """
         This function is use to keep track of all Device Model widget
         """
-        print "Calling Track Device Model Library funtion"
+        print("Calling Track Device Model Library funtion")
         sending_btn = self.sender()
         #print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = int(sending_btn.objectName())
@@ -332,10 +332,10 @@ class DeviceModel(QtGui.QWidget):
         """
         This function is use to keep track of all Device Model widget
         """
-        print "Calling Track Library function Without Button"
+        print("Calling Track Library function Without Button")
         #print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = iter_value
-        print "self.widgetObjCount-----",self.widgetObjCount
+        print("self.widgetObjCount-----",self.widgetObjCount)
         self.libfile = path_value
         #print "Selected Library File :",self.libfile
 
diff --git a/src/kicadtoNgspice/KicadtoNgspice.py b/src/kicadtoNgspice/KicadtoNgspice.py
index eaa9592e..637d971c 100644
--- a/src/kicadtoNgspice/KicadtoNgspice.py
+++ b/src/kicadtoNgspice/KicadtoNgspice.py
@@ -18,14 +18,14 @@
 import sys
 import os
 from PyQt4 import QtGui
-from Processing import PrcocessNetlist
-import Analysis
-import Source
-import Model
-import DeviceModel
-import SubcircuitTab
-import Convert
-import TrackWidget
+from .Processing import PrcocessNetlist
+from . import Analysis
+from . import Source
+from . import Model
+from . import DeviceModel
+from . import SubcircuitTab
+from . import Convert
+from . import TrackWidget
 import json
 
 #from xml.etree import ElementTree as ET
@@ -42,9 +42,9 @@ class MainWindow(QtGui.QWidget):
     def __init__(self,clarg1,clarg2=None):
         QtGui.QWidget.__init__(self)
         
-        print "=================================="
-        print "Kicad to Ngspice netlist converter "
-        print "=================================="
+        print("==================================")
+        print("Kicad to Ngspice netlist converter ")
+        print("==================================")
         global kicadNetlist,schematicInfo
         global infoline,optionInfo
         self.kicadFile = clarg1
@@ -68,7 +68,7 @@ class MainWindow(QtGui.QWidget):
         # Read the netlist
         kicadNetlist = obj_proc.readNetlist(self.kicadFile)
         
-        print "Given Kicad Schematic Netlist Info :",kicadNetlist
+        print("Given Kicad Schematic Netlist Info :",kicadNetlist)
         
         # Construct parameter information
         param = obj_proc.readParamInfo(kicadNetlist)
@@ -76,13 +76,13 @@ class MainWindow(QtGui.QWidget):
         # Replace parameter with values
         netlist,infoline = obj_proc.preprocessNetlist(kicadNetlist,param)
         
-        print "Schematic Info after processing Kicad Netlist: ",netlist
+        print("Schematic Info after processing Kicad Netlist: ",netlist)
         #print "INFOLINE",infoline
         
         # Separate option and schematic information
         optionInfo, schematicInfo = obj_proc.separateNetlistInfo(netlist)
         
-        print "OPTIONINFO in the Netlist",optionInfo
+        print("OPTIONINFO in the Netlist",optionInfo)
                        
         #List for storing source and its value
         global sourcelist, sourcelisttrack
@@ -98,7 +98,7 @@ class MainWindow(QtGui.QWidget):
         plotText = []
         schematicInfo,outputOption,modelList,unknownModelList,multipleModelList,plotText = obj_proc.convertICintoBasicBlocks(schematicInfo,outputOption,modelList,plotText)
         
-        print "Model available in the Schematic :",modelList
+        print("Model available in the Schematic :",modelList)
 
                              
         """
@@ -106,7 +106,7 @@ class MainWindow(QtGui.QWidget):
         Also if the two model of same name is present under modelParamXML directory
         """           
         if unknownModelList:
-            print "Unknown Model List is : ",unknownModelList
+            print("Unknown Model List is : ",unknownModelList)
             self.msg = QtGui.QErrorMessage()
             self.content = "Your schematic contain unknown model "+', '.join(unknownModelList)
             self.msg.showMessage(self.content)
@@ -384,7 +384,7 @@ class MainWindow(QtGui.QWidget):
             json_data["model"][line[3]]["type"] = line[2]
             json_data["model"][line[3]]["values"] = []           
     
-            for key, value in line[7].iteritems():
+            for key, value in line[7].items():
                 if hasattr(value, '__iter__') and i <= end:
                     for item in value:
                         fields = {item: str(obj_model.obj_trac.model_entry_var[i].text())}
@@ -438,19 +438,19 @@ class MainWindow(QtGui.QWidget):
         try:
             #Adding Source Value to Schematic Info
             store_schematicInfo = self.obj_convert.addSourceParameter()
-            print "Netlist After Adding Source details :",store_schematicInfo
+            print("Netlist After Adding Source details :",store_schematicInfo)
             
             #Adding Model Value to store_schematicInfo
             store_schematicInfo = self.obj_convert.addModelParameter(store_schematicInfo)
-            print "Netlist After Adding Ngspice Model :",store_schematicInfo
+            print("Netlist After Adding Ngspice Model :",store_schematicInfo)
                         
             #Adding Device Library to SchematicInfo
             store_schematicInfo = self.obj_convert.addDeviceLibrary(store_schematicInfo,self.kicadFile)
-            print "Netlist After Adding Device Model Library :",store_schematicInfo
+            print("Netlist After Adding Device Model Library :",store_schematicInfo)
             
             #Adding Subcircuit Library to SchematicInfo
             store_schematicInfo = self.obj_convert.addSubcircuit(store_schematicInfo, self.kicadFile)
-            print "Netlist After Adding subcircuits :",store_schematicInfo
+            print("Netlist After Adding subcircuits :",store_schematicInfo)
             
             analysisoutput = self.obj_convert.analysisInsertor(self.obj_track.AC_entry_var["ITEMS"],
                                                                self.obj_track.DC_entry_var["ITEMS"],
@@ -462,7 +462,7 @@ class MainWindow(QtGui.QWidget):
                                                                self.obj_track.AC_type["ITEMS"],
                                                                self.obj_track.op_check)
                        
-            print "Analysis OutPut ",analysisoutput
+            print("Analysis OutPut ",analysisoutput)
            
             #Calling netlist file generation function
             self.createNetlistFile(store_schematicInfo,plotText)
@@ -471,8 +471,8 @@ class MainWindow(QtGui.QWidget):
             QtGui.QMessageBox.information(self, "Information", self.msg, QtGui.QMessageBox.Ok)
                      
         except Exception as e:
-            print "Exception Message: ",e
-            print "There was error while converting kicad to ngspice"
+            print("Exception Message: ",e)
+            print("There was error while converting kicad to ngspice")
             self.close()
             
         # Generate .sub file from .cir.out file if it is a subcircuit
@@ -482,7 +482,7 @@ class MainWindow(QtGui.QWidget):
             self.createSubFile(subPath)
     
     def createNetlistFile(self,store_schematicInfo,plotText):
-        print "Creating Final netlist"
+        print("Creating Final netlist")
         #print "INFOLINE",infoline
         #print "OPTIONINFO",optionInfo
         #print "Device MODEL LIST ",devicemodelList
@@ -504,10 +504,10 @@ class MainWindow(QtGui.QWidget):
                 f.close()
 
             except :
-                print "Error While opening Project Analysis file. Please check it"
+                print("Error While opening Project Analysis file. Please check it")
                 sys.exit()
         else:
-            print analysisFileLoc + " does not exist"
+            print(analysisFileLoc + " does not exist")
             sys.exit()
             
         #Adding analysis file info to optionInfo
@@ -588,7 +588,7 @@ class MainWindow(QtGui.QWidget):
             except :
                 print("Error in opening .cir.out file.")
         else:
-            print self.projName + ".cir.out does not exist. Please create a spice netlist."
+            print(self.projName + ".cir.out does not exist. Please create a spice netlist.")
           
         # Read the data from file
         data=f.read()
@@ -612,7 +612,7 @@ class MainWindow(QtGui.QWidget):
                 continue
             elif words[0] == ".control":
                 while words[0] != ".endc":
-                    eachline=netlist.next()
+                    eachline=next(netlist)
                     eachline=eachline.strip()
                     if len(eachline)<1:
                         continue
@@ -634,7 +634,7 @@ class MainWindow(QtGui.QWidget):
         out.writelines('\n') 
          
         out.writelines('.ends ' + self.projName)
-        print "The subcircuit has been written in "+self.projName+".sub"
+        print("The subcircuit has been written in "+self.projName+".sub")
 
             
     
diff --git a/src/kicadtoNgspice/Model.py b/src/kicadtoNgspice/Model.py
index 11d65c03..3f83b0d0 100644
--- a/src/kicadtoNgspice/Model.py
+++ b/src/kicadtoNgspice/Model.py
@@ -1,6 +1,6 @@
 from PyQt4 import QtGui
 import json
-import TrackWidget
+from . import TrackWidget
 #from xml.etree import ElementTree as ET
 import os
 
@@ -25,7 +25,7 @@ class Model(QtGui.QWidget):
             data = f.read()
             json_data = json.loads(data)
         except:
-            print "Model Previous Values JSON is Empty"
+            print("Model Previous Values JSON is Empty")
         
         
         
@@ -55,7 +55,7 @@ class Model(QtGui.QWidget):
             self.start = self.nextcount
             #line[7] is parameter dictionary holding parameter tags.
             i = 0
-            for key,value in line[7].iteritems():
+            for key,value in line[7].items():
                 #print "Key : ",key
                 #print "Value : ",value
                 #Check if value is iterable
@@ -71,7 +71,7 @@ class Model(QtGui.QWidget):
                         try:
                             for mod in json_data["model"]:
                                 if json_data["model"][mod]["type"] == line[2] and mod == line[3]:
-                                    self.obj_trac.model_entry_var[self.nextcount].setText(str(json_data["model"][mod]["values"][i].values()[0]))
+                                    self.obj_trac.model_entry_var[self.nextcount].setText(str(list(json_data["model"][mod]["values"][i].values())[0]))
                                     i = i + 1
                         except:
                             pass
@@ -90,7 +90,7 @@ class Model(QtGui.QWidget):
                     try:
                         for mod in json_data["model"]:
                             if json_data["model"][mod]["type"] == line[2] and mod == line[3]:
-                                self.obj_trac.model_entry_var[self.nextcount].setText(str(json_data["model"][mod]["values"][i].values()[0]))
+                                self.obj_trac.model_entry_var[self.nextcount].setText(str(list(json_data["model"][mod]["values"][i].values())[0]))
                                 i = i + 1
                     except:
                             pass
diff --git a/src/kicadtoNgspice/Processing.py b/src/kicadtoNgspice/Processing.py
index 09544f19..f9d1b4a8 100644
--- a/src/kicadtoNgspice/Processing.py
+++ b/src/kicadtoNgspice/Processing.py
@@ -23,7 +23,7 @@ class PrcocessNetlist:
         """Read Parameter information and store it into dictionary"""
         param={}
         for eachline in kicadNetlis:
-            print eachline
+            print(eachline)
             eachline=eachline.strip()
             if len(eachline)>1:
                 words=eachline.split()
@@ -51,8 +51,8 @@ class PrcocessNetlist:
                     if key in param:
                         eachline=eachline.replace('{'+key+'}',param[key])
                     else:
-                        print "Parameter " + key +" does not exists"
-                        value=raw_input('Enter parameter value: ')
+                        print("Parameter " + key +" does not exists")
+                        value=input('Enter parameter value: ')
                         eachline=eachline.replace('{'+key+'}',value)
             #Convert netlist into lower case letter     
             eachline=eachline.lower()
@@ -84,7 +84,7 @@ class PrcocessNetlist:
         #Inser Special source parameter
         schematicInfo1=[]
         
-        print "Reading schematic info for source details"
+        print("Reading schematic info for source details")
         
         for compline in schematicInfo:
             words=compline.split()
@@ -149,13 +149,13 @@ class PrcocessNetlist:
                 schematicInfo1.append(compName+" "+words[1]+" "+words[2]+" "+"V"+compName+" "+words[5])
                 
         schematicInfo=schematicInfo+schematicInfo1
-        print "Source List : ",sourcelist
+        print("Source List : ",sourcelist)
         #print schematicInfo
         return schematicInfo,sourcelist
     
     
     def convertICintoBasicBlocks(self,schematicInfo,outputOption,modelList,plotText):
-        print "Reading Schematic info for Model"
+        print("Reading Schematic info for Model")
         #Insert details of Ngspice model
         unknownModelList = []
         multipleModelList = []
@@ -199,7 +199,7 @@ class PrcocessNetlist:
                         unknownModelList.append(compType)
                     elif count == 1:
                         try:
-                            print "Start Parsing Previous Values XML for ngspice model :",modelPath  
+                            print("Start Parsing Previous Values XML for ngspice model :",modelPath)  
                             tree = ET.parse(modelPath[0])
                             
                             root = tree.getroot()
@@ -252,7 +252,7 @@ class PrcocessNetlist:
                                 modelLine += compName
                                 
                             else:
-                                print "Split Details :",splitDetail
+                                print("Split Details :",splitDetail)
                                 modelLine = "a"+str(k)+" "
                                 vectorDetail = splitDetail.split(':')
                                 #print "Vector Details",vectorDetail
@@ -280,7 +280,7 @@ class PrcocessNetlist:
                                                 pos += 1
                                     
                                     except:
-                                        print  "There is error while processing Vector Details"
+                                        print("There is error while processing Vector Details")
                                         sys.exit(2)
                                 modelLine += compName        
                                 
@@ -289,16 +289,16 @@ class PrcocessNetlist:
                                 schematicInfo.append(modelLine)
                                 k=k+1
                             except Exception as e:
-                                print "Error while appending ModelLine ",modelLine
-                                print "Exception Message : ",str(e)
+                                print("Error while appending ModelLine ",modelLine)
+                                print("Exception Message : ",str(e))
                             #Insert comment at remove line
                             schematicInfo.insert(index,"* "+compline)
                             comment = "* Schematic Name: "+compType+", NgSpice Name: "+modelname
                             #Here instead of adding compType(use for XML), added modelName(Unique Model Name)
                             modelList.append([index,compline,modelname,compName,comment,title,type,paramDict])
                         except Exception as e:
-                            print  "Unable to parse the model, Please check your your XML file"
-                            print "Exception Message : ",str(e)
+                            print("Unable to parse the model, Please check your your XML file")
+                            print("Exception Message : ",str(e))
                             sys.exit(2)
                 elif compType == "ic":
                     schematicInfo.insert(index,"* "+compline)
@@ -370,9 +370,9 @@ class PrcocessNetlist:
                 else:
                     schematicInfo.insert(index,"* "+compline)
                     
-                print "UnknownModelList Used in the Schematic",unknownModelList
-                print "Multiple Model XML file with same name ",multipleModelList
-                print "Model List Details : ",modelList  
+                print("UnknownModelList Used in the Schematic",unknownModelList)
+                print("Multiple Model XML file with same name ",multipleModelList)
+                print("Model List Details : ",modelList)  
                 
         return schematicInfo,outputOption,modelList,unknownModelList,multipleModelList,plotText
         
diff --git a/src/kicadtoNgspice/Source.py b/src/kicadtoNgspice/Source.py
index d66cfa81..91ee8d43 100644
--- a/src/kicadtoNgspice/Source.py
+++ b/src/kicadtoNgspice/Source.py
@@ -1,6 +1,6 @@
 import os
 from PyQt4 import QtGui
-import TrackWidget
+from . import TrackWidget
 #from xml.etree import ElementTree as ET
 import json
 
@@ -40,7 +40,7 @@ class Source(QtGui.QWidget):
             json_data = json.loads(data)
 
         except:
-            print "Source Previous Values JSON is Empty"
+            print("Source Previous Values JSON is Empty")
         
         self.grid = QtGui.QGridLayout()
         self.setLayout(self.grid)
@@ -48,7 +48,7 @@ class Source(QtGui.QWidget):
         if sourcelist:
             for line in sourcelist:
                 #print "Voltage source line index: ",line[0]
-                print "SourceList line: ",line
+                print("SourceList line: ",line)
                 track_id=line[0]
                 #print "track_id is ",track_id
                 if line[2] == 'ac':
@@ -159,7 +159,7 @@ class Source(QtGui.QWidget):
                                 templist1 = line[1]
                                 templist2 = templist1.split(' ')
                                 if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
-                                    self.entry_var[self.count].setText(str(json_data["source"][key]["values"][it-4].values()[0]))
+                                    self.entry_var[self.count].setText(str(list(json_data["source"][key]["values"][it-4].values())[0]))
                         except:
                             pass
                         
@@ -198,7 +198,7 @@ class Source(QtGui.QWidget):
                                 templist2 = templist1.split(' ')
 
                                 if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
-                                    self.entry_var[self.count].setText(str(json_data["source"][key]["values"][it-4].values()[0]))
+                                    self.entry_var[self.count].setText(str(list(json_data["source"][key]["values"][it-4].values())[0]))
                         except:
                             pass
                         
@@ -271,7 +271,7 @@ class Source(QtGui.QWidget):
                                 templist1 = line[1]
                                 templist2 = templist1.split(' ')
                                 if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
-                                    self.entry_var[self.count].setText(str(json_data["source"][key]["values"][it-4].values()[0]))
+                                    self.entry_var[self.count].setText(str(list(json_data["source"][key]["values"][it-4].values())[0]))
                         except:
                             pass
                         
@@ -291,7 +291,7 @@ class Source(QtGui.QWidget):
                     sourcelisttrack.append([track_id, 'exp', self.start, self.end])                          
                 
         else:
-            print "No source is present in your circuit"
+            print("No source is present in your circuit")
         
     
         #This is used to keep the track of dynamically created widget
diff --git a/src/kicadtoNgspice/SubcircuitTab.py b/src/kicadtoNgspice/SubcircuitTab.py
index aba2a145..7a4469df 100644
--- a/src/kicadtoNgspice/SubcircuitTab.py
+++ b/src/kicadtoNgspice/SubcircuitTab.py
@@ -1,6 +1,6 @@
 from PyQt4 import QtGui
 import json
-import TrackWidget
+from . import TrackWidget
 from projManagement import Validation
 import os
 #from xml.etree import ElementTree as ET
@@ -21,7 +21,7 @@ class SubcircuitTab(QtGui.QWidget):
             data = f.read()
             json_data = json.loads(data)
         except:
-            print "Subcircuit Previous values JSON is Empty"
+            print("Subcircuit Previous values JSON is Empty")
 
         QtGui.QWidget.__init__(self)
                      
@@ -49,7 +49,7 @@ class SubcircuitTab(QtGui.QWidget):
         for eachline in schematicInfo:
             words = eachline.split()
             if eachline[0] == 'x':
-                print "Subcircuit : Words",words[0]
+                print("Subcircuit : Words",words[0])
                 self.obj_trac.subcircuitList[project_name+words[0]] = words
                 self.subcircuit_dict_beg[words[0]] = self.count
                 subbox = QtGui.QGroupBox()
@@ -70,9 +70,9 @@ class SubcircuitTab(QtGui.QWidget):
                                 else:
                                     self.entry_var[self.count].setText("")
                             except:
-                                print "Error when set text of subcircuit"
+                                print("Error when set text of subcircuit")
                 except:
-                    print "Error before subcircuit"
+                    print("Error before subcircuit")
 
 
                 subgrid.addWidget(self.entry_var[self.count], self.row, 1)
@@ -81,7 +81,7 @@ class SubcircuitTab(QtGui.QWidget):
                 #Send the number of ports specified with the given subcircuit for verification.
                 #eg. If the line is 'x1 4 0 3 ua741', there are 3 ports(4, 0 and 3).
                 self.numPorts.append(len(words)-2)
-                print "Number of ports of sub circuit : ",self.numPorts
+                print("Number of ports of sub circuit : ",self.numPorts)
                 self.addbtn.clicked.connect(self.trackSubcircuit)
                 subgrid.addWidget(self.addbtn, self.row, 2)
                 subbox.setLayout(subgrid)