kicadtoNgspice made pep8 compliant

8 files changed, 464 insertions, 261 deletions

diff --git a/src/kicadtoNgspice/Analysis.py b/src/kicadtoNgspice/Analysis.py
index fde9a3e3..cde39f8f 100644
--- a/src/kicadtoNgspice/Analysis.py
+++ b/src/kicadtoNgspice/Analysis.py
@@ -2,7 +2,7 @@
 from PyQt4 import QtGui
 from . import TrackWidget
 import os
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 import json
 
 
@@ -234,8 +234,10 @@ class Analysis(QtGui.QWidget):
 
         # CSS
         self.acbox.setStyleSheet(" \
-        QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-        QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+        QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: \
+        0.5em; } \
+        QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: \
+        0 3px 0 3px; } \
         ")
         if check:
             try:
@@ -503,16 +505,18 @@ class Analysis(QtGui.QWidget):
 
         # QtCore.QObject.connect(check,SIGNAL("stateChanged()"),check,SLOT("checkedSlot"))
         self.check.stateChanged.connect(self.setflag)
-        #self.flagcheck = 1
-        #self.flagcheck= 2
+        # self.flagcheck = 1
+        # self.flagcheck= 2
         self.dcgrid.addWidget(self.check, 9, 1, 9, 2)
         self.track_obj.DC_entry_var["ITEMS"] = self.dc_entry_var
         self.track_obj.DC_Parameter["ITEMS"] = self.dc_parameter
 
         # CSS
         self.dcbox.setStyleSheet(" \
-        QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-        QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+        QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: \
+        0.5em; } \
+        QGroupBox::title { subcontrol-origin: margin; left: \
+        10px; padding: 0 3px 0 3px; } \
         ")
         if check:
             try:
@@ -687,8 +691,10 @@ class Analysis(QtGui.QWidget):
 
         # CSS
         self.trbox.setStyleSheet(" \
-        QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-        QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+        QGroupBox { border: 1px solid gray; border-radius: \
+        9px; margin-top: 0.5em; } \
+        QGroupBox::title { subcontrol-origin: margin; left: \
+         10px; padding: 0 3px 0 3px; } \
         ")
         if check:
             try:
diff --git a/src/kicadtoNgspice/Convert.py b/src/kicadtoNgspice/Convert.py
index 924f94fa..38234fed 100644
--- a/src/kicadtoNgspice/Convert.py
+++ b/src/kicadtoNgspice/Convert.py
@@ -8,7 +8,8 @@ from xml.etree import ElementTree as ET
 
 class Convert:
     """
-    This class has all the necessary function required to convert kicad netlist to ngspice netlist.
+    This class has all the necessary function required to convert
+    kicad netlist to ngspice netlist.
     """
 
     def __init__(self, sourcelisttrack, source_entry_var,
@@ -36,16 +37,24 @@ class Convert:
                     self.end = compline[3]
                     vo_val = str(self.entry_var[self.start].text()) if len(
                         str(self.entry_var[self.start].text())) > 0 else '0'
-                    va_val = str(self.entry_var[self.start + 1].text()) if len(
-                        str(self.entry_var[self.start + 1].text())) > 0 else '0'
-                    freq_val = str(self.entry_var[self.start + 2].text()) if len(
-                        str(self.entry_var[self.start + 2].text())) > 0 else '0'
+                    va_val = str(
+                        self.entry_var[self.start + 1].text()
+                        ) if len(
+                        str(self.entry_var[self.start + 1].text())) \
+                        > 0 else '0'
+                    freq_val = str(self.entry_var[self.start + 2].text()) \
+                        if len(
+                        str(self.entry_var[self.start + 2].text())) > \
+                        0 else '0'
                     td_val = str(self.entry_var[self.start + 3].text()) if len(
-                        str(self.entry_var[self.start + 3].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 3].text())) > \
+                        0 else '0'
                     theta_val = str(self.entry_var[self.end].text()) if len(
                         str(self.entry_var[self.end].text())) > 0 else '0'
                     self.addline = self.addline.partition(
-                        '(')[0] + "(" + vo_val + " " + va_val + " " + freq_val + " " + td_val + " " + theta_val + ")"
+                        '(')[0] + "(" + vo_val + " " + va_val + " " +\
+                        freq_val + " " + td_val + " " +\
+                        theta_val + ")"
                     self.sourcelistvalue.append([self.index, self.addline])
                 except BaseException:
                     print(
@@ -59,20 +68,28 @@ class Convert:
                     v1_val = str(self.entry_var[self.start].text()) if len(
                         str(self.entry_var[self.start].text())) > 0 else '0'
                     v2_val = str(self.entry_var[self.start + 1].text()) if len(
-                        str(self.entry_var[self.start + 1].text())) > 0 else '0'
-                    td_val = str(self.entry_var[self.start + 2].text()) if len(
-                        str(self.entry_var[self.start + 2].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 1].text())) > \
+                        0 else '0'
+                    td_val = str(self.entry_var[self.start + 2].text()) \
+                        if len(
+                        str(self.entry_var[self.start + 2].text())) > \
+                        0 else '0'
                     tr_val = str(self.entry_var[self.start + 3].text()) if len(
-                        str(self.entry_var[self.start + 3].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 3].text())) > \
+                        0 else '0'
                     tf_val = str(self.entry_var[self.start + 4].text()) if len(
-                        str(self.entry_var[self.start + 4].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 4].text())) > \
+                        0 else '0'
                     pw_val = str(self.entry_var[self.start + 5].text()) if len(
-                        str(self.entry_var[self.start + 5].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 5].text())) > \
+                        0 else '0'
                     tp_val = str(self.entry_var[self.end].text()) if len(
                         str(self.entry_var[self.end].text())) > 0 else '0'
 
                     self.addline = self.addline.partition(
-                        '(')[0] + "(" + v1_val + " " + v2_val + " " + td_val + " " + tr_val + " " + tf_val + " " + pw_val + " " + tp_val + ")"
+                        '(')[0] + "(" + v1_val + " " + v2_val + " " +\
+                        td_val + " " + tr_val + " " + tf_val + " " +\
+                        pw_val + " " + tp_val + ")"
                     self.sourcelistvalue.append([self.index, self.addline])
                 except BaseException:
                     print(
@@ -100,7 +117,8 @@ class Convert:
                     va_val = str(self.entry_var[self.start].text()) if len(
                         str(self.entry_var[self.start].text())) > 0 else '0'
                     ph_val = str(self.entry_var[self.start + 1].text()) if len(
-                        str(self.entry_var[self.start + 1].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 1].text())) > \
+                        0 else '0'
                     self.addline = ' '.join(self.addline.split())
                     self.addline = self.addline.partition(
                         'ac')[0] + " " + 'ac' + " " + va_val + " " + ph_val
@@ -132,18 +150,27 @@ class Convert:
                     v1_val = str(self.entry_var[self.start].text()) if len(
                         str(self.entry_var[self.start].text())) > 0 else '0'
                     v2_val = str(self.entry_var[self.start + 1].text()) if len(
-                        str(self.entry_var[self.start + 1].text())) > 0 else '0'
-                    td1_val = str(self.entry_var[self.start + 2].text()) if len(
-                        str(self.entry_var[self.start + 2].text())) > 0 else '0'
-                    tau1_val = str(self.entry_var[self.start + 3].text()) if len(
-                        str(self.entry_var[self.start + 3].text())) > 0 else '0'
-                    td2_val = str(self.entry_var[self.start + 4].text()) if len(
-                        str(self.entry_var[self.start + 4].text())) > 0 else '0'
+                        str(self.entry_var[self.start + 1].text())) > \
+                        0 else '0'
+                    td1_val = str(self.entry_var[self.start + 2].text()) \
+                        if len(
+                        str(self.entry_var[self.start + 2].text())) > \
+                        0 else '0'
+                    tau1_val = str(self.entry_var[self.start + 3].text()) \
+                        if len(
+                        str(self.entry_var[self.start + 3].text())) > \
+                        0 else '0'
+                    td2_val = str(self.entry_var[self.start + 4].text()) \
+                        if len(
+                        str(self.entry_var[self.start + 4].text())) > \
+                        0 else '0'
                     tau2_val = str(self.entry_var[self.end].text()) if len(
                         str(self.entry_var[self.end].text())) > 0 else '0'
 
                     self.addline = self.addline.partition(
-                        '(')[0] + "(" + v1_val + " " + v2_val + " " + td1_val + " " + tau1_val + " " + td2_val + " " + tau2_val + ")"
+                        '(')[0] + "(" + v1_val + " " + v2_val + " " +\
+                        td1_val + " " + tau1_val + " " + td2_val +\
+                        " " + tau2_val + ")"
                     self.sourcelistvalue.append([self.index, self.addline])
                 except BaseException:
                     print(
@@ -158,7 +185,8 @@ class Convert:
         return self.schematicInfo
 
     def analysisInsertor(self, ac_entry_var, dc_entry_var, tran_entry_var,
-                         set_checkbox, ac_parameter, dc_parameter, tran_parameter, ac_type, op_check):
+                         set_checkbox, ac_parameter, dc_parameter,
+                         tran_parameter, ac_type, op_check):
         """
         This function creates an analysis file in current project
         """
@@ -184,14 +212,15 @@ class Convert:
                                  ' ' +
                                  self.ac_type +
                                  ' ' +
-                                 str(self.defaultvalue(self.ac_entry_var[self.no +
-                                                                         2].text())) +
+                                 str(self.defaultvalue(
+                                     self.ac_entry_var[self.no + 2].text())) +
                                  ' ' +
-                                 str(self.defaultvalue(self.ac_entry_var[self.no].text())) +
+                                 str(self.defaultvalue(
+                                     self.ac_entry_var[self.no].text())) +
                                  self.ac_parameter[self.no] +
                                  ' ' +
-                                 str(self.defaultvalue(self.ac_entry_var[self.no +
-                                                                         1].text())) +
+                                 str(self.defaultvalue(
+                                     self.ac_entry_var[self.no + 1].text())) +
                                  self.ac_parameter[self.no +
                                                    1])
 
@@ -205,56 +234,75 @@ class Convert:
                                      ' ' +
                                      str(self.dc_entry_var[self.no].text()) +
                                      ' ' +
-                                     str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                             1].text())) +
-                                     self.converttosciform(self.dc_parameter[self.no]) +
+                                     str(self.defaultvalue(
+                                         self.dc_entry_var[self.no +
+                                                           1].text())) +
+                                     self.converttosciform(
+                                         self.dc_parameter[self.no]) +
                                      ' ' +
-                                     str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                             3].text())) +
-                                     self.converttosciform(self.dc_parameter[self.no +
-                                                                             2]) +
+                                     str(self.defaultvalue(
+                                         self.dc_entry_var[self.no +
+                                                           3].text())) +
+                                     self.converttosciform(
+                                         self.dc_parameter[self.no +
+                                                           2]) +
                                      ' ' +
-                                     str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                             2].text())) +
-                                     self.converttosciform(self.dc_parameter[self.no +
-                                                                             1]))
+                                     str(self.defaultvalue(
+                                         self.dc_entry_var[self.no +
+                                                           2].text())) +
+                                     self.converttosciform(
+                                         self.dc_parameter[self.no +
+                                                           1]))
 
                 if self.dc_entry_var[self.no + 4].text():
                     self.writefile.write(' ' +
-                                         str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                                 4].text())) +
+                                         str(self.defaultvalue(
+                                             self.dc_entry_var[self.no +
+                                                               4].text())) +
                                          ' ' +
-                                         str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                                 5].text())) +
-                                         self.converttosciform(self.dc_parameter[self.no +
-                                                                                 3]) +
+                                         str(self.defaultvalue(
+                                             self.dc_entry_var[self.no +
+                                                               5].text())) +
+                                         self.converttosciform(
+                                             self.dc_parameter[self.no +
+                                                               3]) +
                                          ' ' +
-                                         str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                                 7].text())) +
-                                         self.converttosciform(self.dc_parameter[self.no +
-                                                                                 5]) +
+                                         str(self.defaultvalue(
+                                             self.dc_entry_var[self.no +
+                                                               7].text())) +
+                                         self.converttosciform(
+                                             self.dc_parameter[self.no +
+                                                               5]) +
                                          ' ' +
-                                         str(self.defaultvalue(self.dc_entry_var[self.no +
-                                                                                 6].text())) +
-                                         self.converttosciform(self.dc_parameter[self.no +
-                                                                                 4]))
+                                         str(self.defaultvalue(
+                                             self.dc_entry_var[self.no +
+                                                               6].text())) +
+                                         self.converttosciform(
+                                             self.dc_parameter[self.no +
+                                                               4]))
 
         elif self.variable == 'TRAN':
             self.no = 0
             self.writefile.write(".tran" +
                                  ' ' +
-                                 str(self.defaultvalue(self.tran_entry_var[self.no +
-                                                                           1].text())) +
-                                 self.converttosciform(self.trans_parameter[self.no +
-                                                                            1]) +
+                                 str(self.defaultvalue(
+                                     self.tran_entry_var[self.no +
+                                                         1].text())) +
+                                 self.converttosciform(
+                                     self.trans_parameter[self.no +
+                                                          1]) +
                                  ' ' +
-                                 str(self.defaultvalue(self.tran_entry_var[self.no +
-                                                                           2].text())) +
-                                 self.converttosciform(self.trans_parameter[self.no +
-                                                                            2]) +
+                                 str(self.defaultvalue(
+                                     self.tran_entry_var[self.no +
+                                                         2].text())) +
+                                 self.converttosciform(
+                                     self.trans_parameter[self.no +
+                                                          2]) +
                                  ' ' +
-                                 str(self.defaultvalue(self.tran_entry_var[self.no].text())) +
-                                 self.converttosciform(self.trans_parameter[self.no]))
+                                 str(self.defaultvalue(
+                                     self.tran_entry_var[self.no].text())) +
+                                 self.converttosciform(
+                                     self.trans_parameter[self.no]))
 
         else:
             pass
@@ -278,7 +326,8 @@ class Convert:
 
     def defaultvalue(self, value):
         """
-        This function select default value as 0 if Analysis widget do not hold any value.
+        This function select default value as 0
+        if Analysis widget do not hold any value.
         """
         self.value = value
         if self.value == '':
@@ -299,11 +348,11 @@ class Convert:
         modelParamValue = []
 
         for line in self.obj_track.modelTrack:
-            #print "Model Track :",line
+            # print "Model Track :",line
             if line[2] == 'transfo':
                 try:
                     start = line[7]
-                    end = line[8]
+                    # end = line[8]
                     num_turns = str(
                         self.obj_track.model_entry_var[start + 1].text())
 
@@ -319,7 +368,11 @@ class Convert:
                         b_array = b_array + b1 + " "
                         bh_array = h_array + " ] " + b_array + " ]"
                     else:
-                        bh_array = "H_array = [-1000 -500 -375 -250 -188 -125 -63 0 63 125 188 250 375 500 1000] B_array = [-3.13e-3 -2.63e-3 -2.33e-3 -1.93e-3 -1.5e-3 -6.25e-4 -2.5e-4 0 2.5e-4 6.25e-4 1.5e-3 1.93e-3 2.33e-3 2.63e-3 3.13e-3]"
+                        bh_array = "H_array = [-1000 -500 -375 -250 -188 -125 \
+                         -63 0 63 125 188 250 375 500 \
+                         1000] B_array = [-3.13e-3 -2.63e-3 -2.33e-3 -1.93e-3\
+                          -1.5e-3 -6.25e-4 -2.5e-4 0 2.5e-4 6.25e-4 \
+                          1.5e-3 1.93e-3 2.33e-3 2.63e-3 3.13e-3]"
                     area = str(
                         self.obj_track.model_entry_var[start + 2].text())
                     length = str(
@@ -354,7 +407,7 @@ class Convert:
             elif line[2] == 'ic':
                 try:
                     start = line[7]
-                    end = line[8]
+                    # end = line[8]
                     for key, value in line[9].items():
                         initVal = str(
                             self.obj_track.model_entry_var[value].text())
@@ -372,11 +425,11 @@ class Convert:
             else:
                 try:
                     start = line[7]
-                    end = line[8]
+                    # end = line[8]
                     addmodelLine = ".model " + line[3] + " " + line[2] + "("
                     for key, value in line[9].items():
-                        #print "Tags: ",key
-                        #print "Value: ",value
+                        # print "Tags: ",key
+                        # print "Value: ",value
                         # Checking for default value and accordingly assign
                         # param and default.
                         if ':' in key:
@@ -391,20 +444,24 @@ class Convert:
                             addmodelLine += param + "=["
                             for lineVar in value:
                                 if str(
-                                        self.obj_track.model_entry_var[lineVar].text()) == "":
+                                        self.obj_track.model_entry_var
+                                        [lineVar].text()) == "":
                                     paramVal = default
                                 else:
                                     paramVal = str(
-                                        self.obj_track.model_entry_var[lineVar].text())
+                                        self.obj_track.model_entry_var
+                                        [lineVar].text())
                                 addmodelLine += paramVal + " "
                             addmodelLine += "] "
                         else:
                             if str(
-                                    self.obj_track.model_entry_var[value].text()) == "":
+                                    self.obj_track.model_entry_var
+                                    [value].text()) == "":
                                 paramVal = default
                             else:
                                 paramVal = str(
-                                    self.obj_track.model_entry_var[value].text())
+                                    self.obj_track.model_entry_var
+                                    [value].text())
 
                             addmodelLine += param + "=" + paramVal + " "
 
@@ -433,7 +490,8 @@ class Convert:
         (projpath, filename) = os.path.split(kicadFile)
 
         deviceLibList = self.obj_track.deviceModelTrack
-        deviceLine = {}  # Key:Index, Value:with its updated line in the form of list
+        deviceLine = {}
+        # Key:Index, Value:with its updated line in the form of list
         includeLine = []  # All .include line list
 
         if not deviceLibList:
@@ -457,7 +515,7 @@ class Convert:
                         libname = tempStr[0]
                         dimension = tempStr[1]
                         # Replace last word with library name
-                        #words[-1] = libname.split('.')[0]
+                        # words[-1] = libname.split('.')[0]
                         words[-1] = self.getRefrenceName(libname, libpath)
                         # Appending Dimension of MOSFET
                         words.append(dimension)
@@ -474,7 +532,7 @@ class Convert:
                         shutil.copy2(src, dst)
                     else:
                         # Replace last word with library name
-                        #words[-1] = libname.split('.')[0]
+                        # words[-1] = libname.split('.')[0]
                         words[-1] = self.getRefrenceName(libname, libpath)
                         deviceLine[index] = words
                         includeLine.append(".include " + libname)
@@ -507,7 +565,8 @@ class Convert:
         (projpath, filename) = os.path.split(kicadFile)
 
         subList = self.obj_track.subcircuitTrack
-        subLine = {}  # Key:Index, Value:with its updated line in the form of list
+        subLine = {}
+        # Key:Index, Value:with its updated line in the form of list
         includeLine = []  # All .include line list
 
         if len(self.obj_track.subcircuitList) != len(
diff --git a/src/kicadtoNgspice/DeviceModel.py b/src/kicadtoNgspice/DeviceModel.py
index e94ee561..909756b5 100644
--- a/src/kicadtoNgspice/DeviceModel.py
+++ b/src/kicadtoNgspice/DeviceModel.py
@@ -1,6 +1,6 @@
 from PyQt4 import QtGui
 import os
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 import json
 from . import TrackWidget
 
@@ -8,7 +8,8 @@ from . import TrackWidget
 class DeviceModel(QtGui.QWidget):
     """
     This class creates Device Library  Tab in KicadtoNgspice Window
-    It dynamically creates the widget for device like diode,mosfet,transistor and jfet.
+    It dynamically creates the widget for device like diode,mosfet,
+    transistor and jfet.
     """
 
     def __init__(self, schematicInfo, clarg1):
@@ -73,18 +74,21 @@ class DeviceModel(QtGui.QWidget):
                 try:
                     for key in json_data["deviceModel"]:
                         if key[0] == eachline[0] and key[1] == eachline[1]:
-                            #print "DEVICE MODEL MATCHING---",child.tag[0],child.tag[1],eachline[0],eachline[1]
+                            # print "DEVICE MODEL MATCHING---",child.tag[0],\
+                            # child.tag[1],eachline[0],eachline[1]
                             try:
                                 if os.path.exists(
                                         json_data["deviceModel"][key][0]):
                                     self.entry_var[self.count].setText(
                                         json_data["deviceModel"][key][0])
-                                    path_name = json_data["deviceModel"][key][0]
+                                    path_name = json_data
+                                    ["deviceModel"][key][0]
                                 else:
                                     self.entry_var[self.count].setText("")
                             except BaseException:
                                 print(
-                                    "Error when set text of device model transistor")
+                                    "Error when set text of device\
+                                     model transistor")
                 except BaseException:
                     pass
 
@@ -104,8 +108,10 @@ class DeviceModel(QtGui.QWidget):
 
                 # CSS
                 transbox.setStyleSheet(" \
-                QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                QGroupBox { border: 1px solid gray; border-radius: \
+                9px; margin-top: 0.5em; } \
+                QGroupBox::title { subcontrol-origin: margin; left:\
+                 10px; padding: 0 3px 0 3px; } \
                 ")
 
                 self.grid.addWidget(transbox)
@@ -129,21 +135,24 @@ class DeviceModel(QtGui.QWidget):
                     words[3])
                 self.entry_var[self.count] = QtGui.QLineEdit()
                 self.entry_var[self.count].setText("")
-                #global path_name
+                # global path_name
                 try:
                     for key in json_data["deviceModel"]:
                         if key[0] == eachline[0] and key[1] == eachline[1]:
-                            #print "DEVICE MODEL MATCHING---",child.tag[0],child.tag[1],eachline[0],eachline[1]
+                            # print "DEVICE MODEL MATCHING---",child.tag[0],\
+                            # child.tag[1],eachline[0],eachline[1]
                             try:
                                 if os.path.exists(
                                         json_data["deviceModel"][key][0]):
-                                    path_name = json_data["deviceModel"][key][0]
+                                    path_name = json_data
+                                    ["deviceModel"][key][0]
                                     self.entry_var[self.count].setText(
                                         json_data["deviceModel"][key][0])
                                 else:
                                     self.entry_var[self.count].setText("")
                             except BaseException:
-                                print("Error when set text of device model diode")
+                                print("Error when set text of device\
+                                 model diode")
                 except BaseException:
                     pass
 
@@ -163,8 +172,10 @@ class DeviceModel(QtGui.QWidget):
 
                 # CSS
                 diodebox.setStyleSheet(" \
-                QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                QGroupBox { border: 1px solid gray; border-radius: \
+                9px; margin-top: 0.5em; } \
+                QGroupBox::title { subcontrol-origin: margin; left:\
+                 10px; padding: 0 3px 0 3px; } \
                 ")
 
                 self.grid.addWidget(diodebox)
@@ -188,21 +199,24 @@ class DeviceModel(QtGui.QWidget):
                     words[4])
                 self.entry_var[self.count] = QtGui.QLineEdit()
                 self.entry_var[self.count].setText("")
-                #global path_name
+                # global path_name
                 try:
                     for key in json_data["deviceModel"]:
                         if key[0] == eachline[0] and key[1] == eachline[1]:
-                            #print "DEVICE MODEL MATCHING---",child.tag[0],child.tag[1],eachline[0],eachline[1]
+                            # print "DEVICE MODEL MATCHING---",child.tag[0],\
+                            # child.tag[1],eachline[0],eachline[1]
                             try:
                                 if os.path.exists(
                                         json_data["deviceModel"][key][0]):
                                     self.entry_var[self.count].setText(
                                         json_data["deviceModel"][key][0])
-                                    path_name = json_data["deviceModel"][key][0]
+                                    path_name = json_data
+                                    ["deviceModel"][key][0]
                                 else:
                                     self.entry_var[self.count].setText("")
                             except BaseException:
-                                print("Error when set text of Device Model JFET ")
+                                print("Error when set text of Device\
+                                 Model JFET ")
                 except BaseException:
                     pass
 
@@ -222,8 +236,10 @@ class DeviceModel(QtGui.QWidget):
 
                 # CSS
                 jfetbox.setStyleSheet(" \
-                QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                QGroupBox { border: 1px solid gray; border-radius:\
+                 9px; margin-top: 0.5em; } \
+                QGroupBox::title { subcontrol-origin: margin; left:\
+                 10px; padding: 0 3px 0 3px; } \
                 ")
 
                 self.grid.addWidget(jfetbox)
@@ -282,7 +298,8 @@ class DeviceModel(QtGui.QWidget):
                 self.count = self.count + 1
 
                 self.multifactorLable[self.count] = QtGui.QLabel(
-                    "Enter multiplicative factor of MOSFET " + words[0] + "(default=1):")
+                    "Enter multiplicative factor of MOSFET " +
+                    words[0] + "(default=1):")
                 mosfetgrid.addWidget(
                     self.multifactorLable[self.count], self.row, 0)
                 self.entry_var[self.count] = QtGui.QLineEdit()
@@ -294,18 +311,20 @@ class DeviceModel(QtGui.QWidget):
                 self.devicemodel_dict_end[words[0]] = self.count
                 self.count = self.count + 1
                 mosfetbox.setLayout(mosfetgrid)
-                #global path_name
+                # global path_name
                 try:
                     for key in json_data["deviceModel"]:
                         if key[0] == eachline[0] and key[1] == eachline[1]:
-                            #print "DEVICE MODEL MATCHING---",child.tag[0],child.tag[1],eachline[0],eachline[1]
+                            # print "DEVICE MODEL MATCHING---",child.tag[0],\
+                            # child.tag[1],eachline[0],eachline[1]
                             while i <= end:
                                 self.entry_var[i].setText(
                                     json_data["deviceModel"][key][i - beg])
                                 if (i - beg) == 0:
                                     if os.path.exists(
                                             json_data["deviceModel"][key][0]):
-                                        path_name = json_data["deviceModel"][key][0]
+                                        path_name = json_data
+                                        ["deviceModel"][key][0]
                                     else:
                                         self.entry_var[i].setText("")
                                 i = i + 1
@@ -313,8 +332,10 @@ class DeviceModel(QtGui.QWidget):
                     pass
                 # CSS
                 mosfetbox.setStyleSheet(" \
-                QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                QGroupBox { border: 1px solid gray; border-radius:\
+                 9px; margin-top: 0.5em; } \
+                QGroupBox::title { subcontrol-origin: margin; left: \
+                10px; padding: 0 3px 0 3px; } \
                 ")
                 if self.entry_var[beg].text() == "":
                     pass
@@ -331,7 +352,7 @@ class DeviceModel(QtGui.QWidget):
         """
         print("Calling Track Device Model Library funtion")
         sending_btn = self.sender()
-        #print "Object Called is ",sending_btn.objectName()
+        # print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = int(sending_btn.objectName())
 
         self.libfile = str(
@@ -340,7 +361,7 @@ class DeviceModel(QtGui.QWidget):
                 "Open Library Directory",
                 "../deviceModelLibrary",
                 "*.lib"))
-        #print "Selected Library File :",self.libfile
+        # print "Selected Library File :",self.libfile
 
         # Setting Library to Text Edit Line
         self.entry_var[self.widgetObjCount].setText(self.libfile)
@@ -370,11 +391,11 @@ class DeviceModel(QtGui.QWidget):
         This function is use to keep track of all Device Model widget
         """
         print("Calling Track Library function Without Button")
-        #print "Object Called is ",sending_btn.objectName()
+        # print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = iter_value
         print("self.widgetObjCount-----", self.widgetObjCount)
         self.libfile = path_value
-        #print "Selected Library File :",self.libfile
+        # print "Selected Library File :",self.libfile
 
         # Setting Library to Text Edit Line
         self.entry_var[self.widgetObjCount].setText(self.libfile)
diff --git a/src/kicadtoNgspice/KicadtoNgspice.py b/src/kicadtoNgspice/KicadtoNgspice.py
index 9001830f..a8349396 100644
--- a/src/kicadtoNgspice/KicadtoNgspice.py
+++ b/src/kicadtoNgspice/KicadtoNgspice.py
@@ -1,4 +1,4 @@
-#=========================================================================
+# =========================================================================
 #
 #          FILE: kicadtoNgspice.py
 #
@@ -14,7 +14,7 @@
 #  ORGANIZATION: eSim team at FOSSEE, IIT Bombay.
 #       CREATED: Wednesday 04 March 2015
 #      REVISION:  ---
-#=========================================================================
+# =========================================================================
 import sys
 import os
 from PyQt4 import QtGui
@@ -28,20 +28,20 @@ from . import Convert
 from . import TrackWidget
 import json
 
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 
 
 class MainWindow(QtGui.QWidget):
     """
     This class create KicadtoNgspice window.
     And Call Convert function if convert button is pressed.
-    The convert function takes all the value entered by user and create a final netlist "*.cir.out".
+    The convert function takes all the value entered by user and create
+    a final netlist "*.cir.out".
     This final netlist is compatible with NgSpice.
     """
 
     def __init__(self, clarg1, clarg2=None):
         QtGui.QWidget.__init__(self)
-
         print("==================================")
         print("Kicad to Ngspice netlist converter ")
         print("==================================")
@@ -77,7 +77,7 @@ class MainWindow(QtGui.QWidget):
         netlist, infoline = obj_proc.preprocessNetlist(kicadNetlist, param)
 
         print("Schematic Info after processing Kicad Netlist: ", netlist)
-        #print "INFOLINE",infoline
+        # print "INFOLINE",infoline
 
         # Separate option and schematic information
         optionInfo, schematicInfo = obj_proc.separateNetlistInfo(netlist)
@@ -92,19 +92,23 @@ class MainWindow(QtGui.QWidget):
             schematicInfo, sourcelist)
 
         # List storing model detail
-        global modelList, outputOption, unknownModelList, multipleModelList, plotText
+        global modelList, outputOption, unknownModelList, \
+            multipleModelList, plotText
 
         modelList = []
         outputOption = []
         plotText = []
-        schematicInfo, outputOption, modelList, unknownModelList, multipleModelList, plotText = obj_proc.convertICintoBasicBlocks(
+        schematicInfo, outputOption, modelList, unknownModelList,
+        multipleModelList, plotText = obj_proc.convertICintoBasicBlocks(
             schematicInfo, outputOption, modelList, plotText)
 
         print("Model available in the Schematic :", modelList)
 
         """
-        Checking if any unknown model is used in schematic which is not recognized by NgSpice.
-        Also if the two model of same name is present under modelParamXML directory
+        Checking if any unknown model is used in schematic which is not
+        recognized by NgSpice.
+        Also if the two model of same name is present under
+        modelParamXML directory
         """
         if unknownModelList:
             print("Unknown Model List is : ", unknownModelList)
@@ -116,7 +120,8 @@ class MainWindow(QtGui.QWidget):
 
         elif multipleModelList:
             self.msg = QtGui.QErrorMessage()
-            self.mcontent = "Look like you have duplicate model in modelParamXML directory " + \
+            self.mcontent = "Look like you have duplicate model in \
+            modelParamXML directory " + \
                 ', '.join(multipleModelList[0])
             self.msg.showMessage(self.mcontent)
             self.msg.setWindowTitle("Multiple Models")
@@ -148,19 +153,19 @@ class MainWindow(QtGui.QWidget):
         self.analysisTab = QtGui.QScrollArea()
         obj_analysis = Analysis.Analysis(self.clarg1)
         self.analysisTab.setWidget(obj_analysis)
-        #self.analysisTabLayout = QtGui.QVBoxLayout(self.analysisTab.widget())
+        # self.analysisTabLayout = QtGui.QVBoxLayout(self.analysisTab.widget())
         self.analysisTab.setWidgetResizable(True)
         global obj_source
         self.sourceTab = QtGui.QScrollArea()
         obj_source = Source.Source(sourcelist, sourcelisttrack, self.clarg1)
         self.sourceTab.setWidget(obj_source)
-        #self.sourceTabLayout = QtGui.QVBoxLayout(self.sourceTab.widget())
+        # self.sourceTabLayout = QtGui.QVBoxLayout(self.sourceTab.widget())
         self.sourceTab.setWidgetResizable(True)
         global obj_model
         self.modelTab = QtGui.QScrollArea()
         obj_model = Model.Model(schematicInfo, modelList, self.clarg1)
         self.modelTab.setWidget(obj_model)
-        #self.modelTabLayout = QtGui.QVBoxLayout(self.modelTab.widget())
+        # self.modelTabLayout = QtGui.QVBoxLayout(self.modelTab.widget())
         self.modelTab.setWidgetResizable(True)
         global obj_devicemodel
         self.deviceModelTab = QtGui.QScrollArea()
@@ -236,8 +241,10 @@ class MainWindow(QtGui.QWidget):
             obj_analysis.ac_entry_var[1].text())
         json_data["analysis"]["ac"]["No. of points"] = str(
             obj_analysis.ac_entry_var[2].text())
-        json_data["analysis"]["ac"]["Start Fre Combo"] = obj_analysis.ac_parameter[0]
-        json_data["analysis"]["ac"]["Stop Fre Combo"] = obj_analysis.ac_parameter[1]
+        json_data
+        ["analysis"]["ac"]["Start Fre Combo"] = obj_analysis.ac_parameter[0]
+        json_data
+        ["analysis"]["ac"]["Stop Fre Combo"] = obj_analysis.ac_parameter[1]
 
         json_data["analysis"]["dc"] = {}
         json_data["analysis"]["dc"]["Source 1"] = str(
@@ -250,9 +257,12 @@ class MainWindow(QtGui.QWidget):
             obj_analysis.dc_entry_var[3].text())
         json_data["analysis"]["dc"]["Operating Point"] = str(
             self.obj_track.op_check[-1])
-        json_data["analysis"]["dc"]["Start Combo"] = obj_analysis.dc_parameter[0]
-        json_data["analysis"]["dc"]["Increment Combo"] = obj_analysis.dc_parameter[1]
-        json_data["analysis"]["dc"]["Stop Combo"] = obj_analysis.dc_parameter[2]
+        json_data
+        ["analysis"]["dc"]["Start Combo"] = obj_analysis.dc_parameter[0]
+        json_data
+        ["analysis"]["dc"]["Increment Combo"] = obj_analysis.dc_parameter[1]
+        json_data
+        ["analysis"]["dc"]["Stop Combo"] = obj_analysis.dc_parameter[2]
         json_data["analysis"]["dc"]["Source 2"] = str(
             obj_analysis.dc_entry_var[4].text())
         json_data["analysis"]["dc"]["Start2"] = str(
@@ -261,9 +271,12 @@ class MainWindow(QtGui.QWidget):
             obj_analysis.dc_entry_var[6].text())
         json_data["analysis"]["dc"]["Stop2"] = str(
             obj_analysis.dc_entry_var[7].text())
-        json_data["analysis"]["dc"]["Start Combo2"] = obj_analysis.dc_parameter[3]
-        json_data["analysis"]["dc"]["Increment Combo2"] = obj_analysis.dc_parameter[4]
-        json_data["analysis"]["dc"]["Stop Combo2"] = obj_analysis.dc_parameter[5]
+        json_data
+        ["analysis"]["dc"]["Start Combo2"] = obj_analysis.dc_parameter[3]
+        json_data
+        ["analysis"]["dc"]["Increment Combo2"] = obj_analysis.dc_parameter[4]
+        json_data
+        ["analysis"]["dc"]["Stop Combo2"] = obj_analysis.dc_parameter[5]
 
         json_data["analysis"]["tran"] = {}
         json_data["analysis"]["tran"]["Start Time"] = str(
@@ -272,9 +285,12 @@ class MainWindow(QtGui.QWidget):
             obj_analysis.tran_entry_var[1].text())
         json_data["analysis"]["tran"]["Stop Time"] = str(
             obj_analysis.tran_entry_var[2].text())
-        json_data["analysis"]["tran"]["Start Combo"] = obj_analysis.tran_parameter[0]
-        json_data["analysis"]["tran"]["Step Combo"] = obj_analysis.tran_parameter[1]
-        json_data["analysis"]["tran"]["Stop Combo"] = obj_analysis.tran_parameter[2]
+        json_data
+        ["analysis"]["tran"]["Start Combo"] = obj_analysis.tran_parameter[0]
+        json_data
+        ["analysis"]["tran"]["Step Combo"] = obj_analysis.tran_parameter[1]
+        json_data
+        ["analysis"]["tran"]["Stop Combo"] = obj_analysis.tran_parameter[2]
 
         """
         Writing Source values
@@ -514,7 +530,8 @@ class MainWindow(QtGui.QWidget):
             # Calling netlist file generation function
             self.createNetlistFile(store_schematicInfo, plotText)
 
-            self.msg = "The Kicad to Ngspice Conversion completed successfully!"
+            self.msg = "The Kicad to Ngspice Conversion completed\
+            successfully!"
             QtGui.QMessageBox.information(
                 self, "Information", self.msg, QtGui.QMessageBox.Ok)
 
@@ -531,19 +548,19 @@ class MainWindow(QtGui.QWidget):
 
     def createNetlistFile(self, store_schematicInfo, plotText):
         print("Creating Final netlist")
-        #print "INFOLINE",infoline
-        #print "OPTIONINFO",optionInfo
-        #print "Device MODEL LIST ",devicemodelList
-        #print "SUBCKT ",subcktList
-        #print "OUTPUTOPTION",outputOption
-        #print "KicadfIle",kicadFile
+        # print "INFOLINE",infoline
+        # print "OPTIONINFO",optionInfo
+        # print "Device MODEL LIST ",devicemodelList
+        # print "SUBCKT ",subcktList
+        # print "OUTPUTOPTION",outputOption
+        # print "KicadfIle",kicadFile
         # To avoid writing optionInfo twice in final netlist
         store_optionInfo = list(optionInfo)
 
         # checking if analysis files is present
         (projpath, filename) = os.path.split(self.kicadFile)
         analysisFileLoc = os.path.join(projpath, "analysis")
-        #print "Analysis File Location",analysisFileLoc
+        # print "Analysis File Location",analysisFileLoc
         if os.path.exists(analysisFileLoc):
             try:
                 f = open(analysisFileLoc)
@@ -553,7 +570,8 @@ class MainWindow(QtGui.QWidget):
                 f.close()
 
             except BaseException:
-                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")
@@ -569,22 +587,25 @@ class MainWindow(QtGui.QWidget):
                 else:
                     pass
 
-        #print "Option Info",optionInfo
+        # print "Option Info",optionInfo
         analysisOption = []
         initialCondOption = []
         simulatorOption = []
-        # includeOption=[]  #Don't know why to use it
-        # model = []      #Don't know why to use it
+        # includeOption=[]  # Don't know why to use it
+        # model = []      # Don't know why to use it
 
         for eachline in store_optionInfo:
             words = eachline.split()
             option = words[0]
-            if (option == '.ac' or option == '.dc' or option == '.disto' or option == '.noise' or
-                option == '.op' or option == '.pz' or option == '.sens' or option == '.tf' or
+            if (option == '.ac' or option == '.dc' or option ==
+                '.disto' or option == '.noise' or
+                option == '.op' or option == '.pz' or option ==
+                '.sens' or option == '.tf' or
                     option == '.tran'):
                 analysisOption.append(eachline + '\n')
 
-            elif (option == '.save' or option == '.print' or option == '.plot' or option == '.four'):
+            elif (option == '.save' or option == '.print' or option ==
+                    '.plot' or option == '.four'):
                 eachline = eachline.strip('.')
                 outputOption.append(eachline + '\n')
             elif (option == '.nodeset' or option == '.ic'):
@@ -661,7 +682,8 @@ class MainWindow(QtGui.QWidget):
                         subcktInfo += words[i] + " "
                     continue
             if words[0] == ".end" or words[0] == ".ac" or words[0] == ".dc" or words[0] == ".tran" or words[0] == '.disto' or words[
-                    0] == '.noise' or words[0] == '.op' or words[0] == '.pz' or words[0] == '.sens' or words[0] == '.tf':
+                    0] == '.noise' or words[0] == '.op' or words[0] ==\
+                    '.pz' or words[0] == '.sens' or words[0] == '.tf':
                 continue
             elif words[0] == ".control":
                 while words[0] != ".endc":
diff --git a/src/kicadtoNgspice/Model.py b/src/kicadtoNgspice/Model.py
index 7366a593..7ae41791 100644
--- a/src/kicadtoNgspice/Model.py
+++ b/src/kicadtoNgspice/Model.py
@@ -1,7 +1,7 @@
 from PyQt4 import QtGui
 import json
 from . import TrackWidget
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 import os
 
 
@@ -48,7 +48,7 @@ class Model(QtGui.QWidget):
         self.setLayout(self.grid)
 
         for line in modelList:
-            #print "ModelList Item:",line
+            # print "ModelList Item:",line
             # Adding title label for model
             # Key: Tag name,Value:Entry widget number
             tag_dict = {}
@@ -59,8 +59,8 @@ class Model(QtGui.QWidget):
             # line[7] is parameter dictionary holding parameter tags.
             i = 0
             for key, value in line[7].items():
-                #print "Key : ",key
-                #print "Value : ",value
+                # print "Key : ",key
+                # print "Value : ",value
                 # Check if value is iterable
                 if hasattr(value, '__iter__'):
                     # For tag having vector value
@@ -68,16 +68,22 @@ class Model(QtGui.QWidget):
                     for item in value:
                         paramLabel = QtGui.QLabel(item)
                         modelgrid.addWidget(paramLabel, self.nextrow, 0)
-                        self.obj_trac.model_entry_var[self.nextcount] = QtGui.QLineEdit(
+                        self.obj_trac.model_entry_var
+                        [self.nextcount] = QtGui.QLineEdit(
                         )
                         modelgrid.addWidget(
-                            self.obj_trac.model_entry_var[self.nextcount], self.nextrow, 1)
+                            self.obj_trac.model_entry_var
+                            [self.nextcount], self.nextrow, 1)
 
                         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(list(json_data["model"][mod]["values"][i].values())[0]))
+                                if json_data["model"][mod]["type"] ==\
+                                 line[2] and mod == line[3]:
+                                    self.obj_trac.model_entry_var
+                                    [self.nextcount].setText(
+                                        str(list(
+                                            json_data["model"][mod]["values"]
+                                            [i].values())[0]))
                                     i = i + 1
                         except BaseException:
                             pass
@@ -90,16 +96,22 @@ class Model(QtGui.QWidget):
                 else:
                     paramLabel = QtGui.QLabel(value)
                     modelgrid.addWidget(paramLabel, self.nextrow, 0)
-                    self.obj_trac.model_entry_var[self.nextcount] = QtGui.QLineEdit(
+                    self.obj_trac.model_entry_var
+                    [self.nextcount] = QtGui.QLineEdit(
                     )
                     modelgrid.addWidget(
-                        self.obj_trac.model_entry_var[self.nextcount], self.nextrow, 1)
+                        self.obj_trac.model_entry_var
+                        [self.nextcount], self.nextrow, 1)
 
                     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(list(json_data["model"][mod]["values"][i].values())[0]))
+                            if json_data["model"][mod]["type"] ==\
+                             line[2] and mod == line[3]:
+                                self.obj_trac.model_entry_var
+                                [self.nextcount].setText(
+                                    str(list(json_data
+                                             ["model"][mod]["values"]
+                                             [i].values())[0]))
                                 i = i + 1
                     except BaseException:
                         pass
@@ -109,13 +121,15 @@ class Model(QtGui.QWidget):
                     self.nextrow = self.nextrow + 1
 
             self.end = self.nextcount - 1
-            #print "End",self.end
+            # print "End",self.end
             modelbox.setLayout(modelgrid)
 
             # CSS
             modelbox.setStyleSheet(" \
-            QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-            QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+            QGroupBox { border: 1px solid gray; border-radius: \
+            9px; margin-top: 0.5em; } \
+            QGroupBox::title { subcontrol-origin: margin; left:\
+             10px; padding: 0 3px 0 3px; } \
             ")
 
             self.grid.addWidget(modelbox)
@@ -129,7 +143,8 @@ class Model(QtGui.QWidget):
             line[4] = comment
             line[5] = title
             line[6] = type i.e analog or digital
-            Now adding start,end and tag_dict which will be line[7],line[8] and line[9] respectively
+            Now adding start,end and tag_dict which will be line[7],
+            line[8] and line[9] respectively
             '''
 
             # This keeps the track of Model Tab Widget
@@ -152,6 +167,6 @@ class Model(QtGui.QWidget):
             if check == 0:
                 self.obj_trac.modelTrack.append(lst)
 
-            #print "The tag dictionary : ",tag_dict
+            # print "The tag dictionary : ",tag_dict
 
         self.show()
diff --git a/src/kicadtoNgspice/Processing.py b/src/kicadtoNgspice/Processing.py
index a175ac8b..efc30c16 100644
--- a/src/kicadtoNgspice/Processing.py
+++ b/src/kicadtoNgspice/Processing.py
@@ -103,7 +103,8 @@ class PrcocessNetlist:
                     pw = '  Enter pulse width (seconds): '
                     tp = '  Enter period (seconds): '
                     sourcelist.append(
-                        [index, compline, words[3], Title, v1, v2, td, tr, tf, pw, tp])
+                        [index, compline, words[3],
+                         Title, v1, v2, td, tr, tf, pw, tp])
 
                 elif words[3] == "sine":
                     Title = "Add parameters for sine source " + compName
@@ -113,11 +114,13 @@ class PrcocessNetlist:
                     td = '  Enter delay time (seconds): '
                     theta = '  Enter damping factor (1/seconds): '
                     sourcelist.append(
-                        [index, compline, words[3], Title, vo, va, freq, td, theta])
+                        [index, compline, words[3],
+                         Title, vo, va, freq, td, theta])
 
                 elif words[3] == "pwl":
                     Title = "Add parameters for pwl source " + compName
-                    t_v = ' Enter in pwl format without bracket i.e t1 v1 t2 v2.... '
+                    t_v = ' Enter in pwl format without bracket\
+                     i.e t1 v1 t2 v2.... '
                     sourcelist.append([index, compline, words[3], Title, t_v])
 
                 elif words[3] == "ac":
@@ -136,7 +139,8 @@ class PrcocessNetlist:
                     td2 = '  Enter fall time (seconds): '
                     tau2 = '  Enter fall time constant (seconds): '
                     sourcelist.append(
-                        [index, compline, words[3], Title, v1, v2, td1, tau1, td2, tau2])
+                        [index, compline, words[3],
+                         Title, v1, v2, td1, tau1, td2, tau2])
 
                 elif words[3] == "dc":
                     Title = "Add parameters for DC source " + compName
@@ -166,7 +170,7 @@ class PrcocessNetlist:
 
         schematicInfo = schematicInfo + schematicInfo1
         print("Source List : ", sourcelist)
-        #print schematicInfo
+        # print schematicInfo
         return schematicInfo, sourcelist
 
     def convertICintoBasicBlocks(
@@ -187,8 +191,8 @@ class PrcocessNetlist:
         for compline in schematicInfo:
             words = compline.split()
             compName = words[0]
-            #print "Compline----------------->",compline
-            #print "compName-------------->",compName
+            # print "Compline----------------->",compline
+            # print "compName-------------->",compName
             # Find the IC from schematic
             if compName[0] == 'u' or compName[0] == 'U':
                 # Find the component from the circuit
@@ -199,12 +203,14 @@ class PrcocessNetlist:
                 # e.g compLine : u1 1 2 gain
                 # compType : gain
                 # compName : u1
-                #print "Compline",compline
-                #print "CompType",compType
-                #print "Words",words
-                #print "compName",compName
+                # print "Compline",compline
+                # print "CompType",compType
+                # print "Words",words
+                # print "compName",compName
                 # Looking if model file is present
-                if compType != "port" and compType != "ic" and compType not in plotList and compType != 'transfo':
+                if compType != "port" and compType != "ic" and \
+                        compType not in plotList and \
+                        compType != 'transfo':
                     xmlfile = compType + ".xml"  # XML Model File
                     count = 0  # Check if model of same name is present
                     modelPath = []
@@ -223,10 +229,11 @@ class PrcocessNetlist:
                     elif count == 1:
                         try:
                             print(
-                                "Start Parsing Previous Values XML for ngspice model :", modelPath)
+                                "Start Parsing Previous Values XML\
+                                 for ngspice model :", modelPath)
                             tree = ET.parse(modelPath[0])
 
-                            root = tree.getroot()
+                            root = tree.getroot()  # noqa
                             # Getting number of nodes for model and title
                             for child in tree.iter():
                                 if child.tag == 'node_number':
@@ -243,33 +250,37 @@ class PrcocessNetlist:
 
                             for param in tree.findall('param'):
                                 for item in param:
-                                    #print "Tags ",item.tag
-                                    #print "Value",item.text
+                                    # print "Tags ",item.tag
+                                    # print "Value",item.text
                                     if 'vector'in item.attrib:
-                                        #print "Tag having vector attribute",item.tag,item.attrib['vector']
+                                        # print "Tag having vector attribute",\
+                                        # item.tag,item.attrib['vector']
                                         temp_count = 1
                                         temp_list = []
                                         for i in range(0, int(
                                                 item.attrib['vector'])):
                                             temp_list.append(
-                                                item.text + " " + str(temp_count))
+                                                item.text + " " + str(
+                                                    temp_count))
                                             temp_count += 1
                                         if 'default' in item.attrib:
                                             paramDict[item.tag + ":" +
-                                                      item.attrib['default']] = temp_list
+                                                      item.attrib['default']] \
+                                                      = temp_list
                                         else:
                                             paramDict[item.tag] = item.text
 
                                     else:
                                         if 'default' in item.attrib:
                                             paramDict[item.tag + ":" +
-                                                      item.attrib['default']] = item.text
+                                                      item.attrib['default']]\
+                                                       = item.text
                                         else:
                                             paramDict[item.tag] = item.text
 
-                            #print "Number of Nodes : ",num_of_nodes
-                            #print "Title : ",title
-                            #print "Parameters",paramDict
+                            # print "Number of Nodes : ",num_of_nodes
+                            # print "Title : ",title
+                            # print "Parameters",paramDict
                             # Creating line for adding model line in schematic
                             if splitDetail == 'None':
                                 modelLine = "a" + str(k) + " "
@@ -281,28 +292,30 @@ class PrcocessNetlist:
                                 print("Split Details :", splitDetail)
                                 modelLine = "a" + str(k) + " "
                                 vectorDetail = splitDetail.split(':')
-                                #print "Vector Details",vectorDetail
+                                # print "Vector Details",vectorDetail
                                 pos = 1  # Node position
                                 for item in vectorDetail:
                                     try:
                                         if item.split("-")[1] == 'V':
-                                            #print "Vector"
+                                            # print "Vector"
                                             if compType == "aswitch":
                                                 modelLine += "("
                                                 for i in range(0, int(
                                                         item.split("-")[0])):
-                                                    modelLine += words[pos] + " "
+                                                    modelLine += words[pos] +\
+                                                     " "
                                                     pos += 1
                                                 modelLine += ") "
                                             else:
                                                 modelLine += "["
                                                 for i in range(0, int(
                                                         item.split("-")[0])):
-                                                    modelLine += words[pos] + " "
+                                                    modelLine += words[pos] + \
+                                                     " "
                                                     pos += 1
                                                 modelLine += "] "
                                         elif item.split("-")[1] == 'NV':
-                                            #print "Non Vector"
+                                            # print "Non Vector"
                                             for i in range(0, int(
                                                     item.split("-")[0])):
                                                 modelLine += words[pos] + " "
@@ -310,28 +323,33 @@ class PrcocessNetlist:
 
                                     except BaseException:
                                         print(
-                                            "There is error while processing Vector Details")
+                                            "There is error while processing\
+                                             Vector Details")
                                         sys.exit(2)
                                 modelLine += compName
 
-                            #print "Final Model Line :",modelLine
+                            # print "Final Model Line :",modelLine
                             try:
                                 schematicInfo.append(modelLine)
                                 k = k + 1
                             except Exception as e:
                                 print(
-                                    "Error while appending ModelLine ", modelLine)
+                                    "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
+                            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])
+                                [index, compline, modelname, compName,
+                                 comment, title, type, paramDict])
                         except Exception as e:
                             print(
-                                "Unable to parse the model, Please check your your XML file")
+                                "Unable to parse the model, \
+                                Please check your your XML file")
                             print("Exception Message : ", str(e))
                             sys.exit(2)
                 elif compType == "ic":
@@ -343,7 +361,8 @@ class PrcocessNetlist:
                     text = "Enter initial voltage at node for " + compline
                     paramDict[title] = text
                     modelList.append(
-                        [index, compline, modelname, compName, comment, title, type, paramDict])
+                        [index, compline, modelname, compName,
+                         comment, title, type, paramDict])
 
                 elif compType in plotList:
                     schematicInfo.insert(index, "* " + compline)
@@ -358,7 +377,8 @@ class PrcocessNetlist:
                         words = compline.split()
                         # Adding zero voltage source to netlist
                         schematicInfo.append(
-                            "v_" + words[0] + " " + words[1] + " " + words[2] + " " + "0")
+                            "v_" + words[0] + " "
+                            + words[1] + " " + words[2] + " " + "0")
                         plotText.append("plot i(v_" + words[0] + ")")
                     elif compType == 'plot_log':
                         words = compline.split()
@@ -374,20 +394,23 @@ class PrcocessNetlist:
                     schematicInfo.insert(index, "* " + compline)
 
                     # For Primary Couple
-                    modelLine = "a" + str(k) + " (" + words[1] + " " + words[2] + ") (interNode_" + str(
+                    modelLine = "a" + str(k)
+                    + " (" + words[1] + " " + words[2] + ") (interNode_" + str(
                         interMediateNodeCount) + " " + words[3] + ") "
                     modelLine += compName + "_primary"
                     schematicInfo.append(modelLine)
                     k = k + 1
                     # For iron core
-                    modelLine = "a" + str(k) + " (" + words[4] + " " + words[2] + ") (interNode_" + str(
+                    modelLine = "a" + str(k) + " (" + words[4] + " " + words[2] + ") \
+                    (interNode_" + str(
                         interMediateNodeCount + 1) + " " + words[3] + ") "
                     modelLine += compName + "_secondary"
                     schematicInfo.append(modelLine)
                     k = k + 1
                     # For Secondary Couple
                     modelLine = "a" + str(k) + " (interNode_" + str(
-                        interMediateNodeCount) + " interNode_" + str(interMediateNodeCount + 1) + ") "
+                        interMediateNodeCount) + " interNode_" + \
+                        str(interMediateNodeCount + 1) + ") "
                     modelLine += compName + "_iron_core"
                     schematicInfo.append(modelLine)
                     k = k + 1
@@ -396,16 +419,21 @@ class PrcocessNetlist:
                     modelname = "transfo"
                     comment = "* " + compline
                     title = "Transformer details for model " + compName
-                    type = "NA"  # It is model but do not load from xml and lib file
+                    type = "NA"
+                    # It is model but do not load from xml and lib file
                     paramDict['h1_array'] = "Enter the H1 array "
-                    paramDict['primary_turns'] = "Enter the primary number of turns (default=310) "
+                    paramDict['primary_turns'] = "Enter the primary number \
+                    of turns (default=310) "
                     paramDict['area'] = "Enter iron core area (default=1)"
-                    paramDict['secondar_turns'] = "Enter the secondary number of turns (default=620)"
-                    paramDict['length'] = "Enter iron core length (default=0.01)"
+                    paramDict['secondar_turns'] = "Enter the secondary number\
+                     of turns (default=620)"
+                    paramDict['length'] = "Enter iron core length \
+                    (default=0.01)"
                     paramDict['b1_array'] = "Enter the B1 array "
 
                     modelList.append(
-                        [index, compline, modelname, compName, comment, title, type, paramDict])
+                        [index, compline, modelname, compName,
+                         comment, title, type, paramDict])
 
                 else:
                     schematicInfo.insert(index, "* " + compline)
@@ -418,4 +446,7 @@ class PrcocessNetlist:
                     multipleModelList)
                 print("Model List Details : ", modelList)
 
-        return schematicInfo, outputOption, modelList, unknownModelList, multipleModelList, plotText
+        return (
+            schematicInfo, outputOption, modelList, unknownModelList,
+            multipleModelList, plotText
+            )
diff --git a/src/kicadtoNgspice/Source.py b/src/kicadtoNgspice/Source.py
index 613b7b36..8649ce93 100644
--- a/src/kicadtoNgspice/Source.py
+++ b/src/kicadtoNgspice/Source.py
@@ -1,7 +1,7 @@
 import os
 from PyQt4 import QtGui
 from . import TrackWidget
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 import json
 
 
@@ -20,14 +20,15 @@ class Source(QtGui.QWidget):
         self.end = 0
         self.row = 0
         self.entry_var = {}
-        #self.font = QtGui.QFont("Times",20,QtGui.QFont.Bold,True)
+        # self.font = QtGui.QFont("Times",20,QtGui.QFont.Bold,True)
 
         # Creating Source Widget
         self.createSourceWidget(sourcelist, sourcelisttrack)
 
     def createSourceWidget(self, sourcelist, sourcelisttrack):
         """
-        This function dynamically create source widget in the Source tab of KicadtoNgSpice window
+        This function dynamically create source widget in the
+        Source tab of KicadtoNgSpice window
         """
         kicadFile = self.clarg1
         (projpath, filename) = os.path.split(kicadFile)
@@ -51,10 +52,10 @@ class Source(QtGui.QWidget):
 
         if sourcelist:
             for line in sourcelist:
-                #print "Voltage source line index: ",line[0]
+                # print "Voltage source line index: ",line[0]
                 print("SourceList line: ", line)
                 track_id = line[0]
-                #print "track_id is ",track_id
+                # print "track_id is ",track_id
                 if line[2] == 'ac':
                     acbox = QtGui.QGroupBox()
                     acbox.setTitle(line[3])
@@ -83,11 +84,18 @@ class Source(QtGui.QWidget):
                             templist1 = line[1]
                             templist2 = templist1.split(' ')
 
-                            if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                            if key == templist2[0] and \
+                                    json_data["source"][key]["type"]\
+                                    == line[2]:
                                 self.entry_var[self.count - 2].setText(
-                                    str(json_data["source"][key]["values"][0]["Amplitude"]))
+                                    str(
+                                        json_data
+                                        ["source"][key]["values"][0]
+                                        ["Amplitude"]))
                                 self.entry_var[self.count - 1].setText(
-                                    str(json_data["source"][key]["values"][1]["Phase"]))
+                                    str(
+                                        json_data["source"][key]
+                                        ["values"][1]["Phase"]))
 
                     except BaseException:
                         pass
@@ -100,8 +108,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     acbox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius:\
+                     9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left:\
+                     10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(acbox)
@@ -126,9 +136,13 @@ class Source(QtGui.QWidget):
                             templist1 = line[1]
                             templist2 = templist1.split(' ')
 
-                            if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                            if key == templist2[0] and \
+                                    json_data["source"][key]["type"]\
+                                    == line[2]:
                                 self.entry_var[self.count].setText(
-                                    str(json_data["source"][key]["values"][0]["Value"]))
+                                    str(
+                                        json_data["source"][key]
+                                        ["values"][0]["Value"]))
 
                     except BaseException:
                         pass
@@ -140,8 +154,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     dcbox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius:\
+                     9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left:\
+                     10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(dcbox)
@@ -168,9 +184,14 @@ class Source(QtGui.QWidget):
                             for key in json_data["source"]:
                                 templist1 = line[1]
                                 templist2 = templist1.split(' ')
-                                if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                                if key == templist2[0] and \
+                                        json_data["source"][key]["type"]\
+                                        == line[2]:
                                     self.entry_var[self.count].setText(
-                                        str(list(json_data["source"][key]["values"][it - 4].values())[0]))
+                                        str(
+                                            list(json_data["source"]
+                                                 [key]["values"]
+                                                 [it - 4].values())[0]))
                         except BaseException:
                             pass
 
@@ -181,8 +202,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     sinebox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius: \
+                    9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left: \
+                    10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(sinebox)
@@ -209,9 +232,13 @@ class Source(QtGui.QWidget):
                                 templist1 = line[1]
                                 templist2 = templist1.split(' ')
 
-                                if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                                if key == templist2[0] and \
+                                        json_data["source"][key]["type"]\
+                                        == line[2]:
                                     self.entry_var[self.count].setText(
-                                        str(list(json_data["source"][key]["values"][it - 4].values())[0]))
+                                        str(list(
+                                            json_data["source"][key]
+                                            ["values"][it - 4].values())[0]))
                         except BaseException:
                             pass
 
@@ -222,8 +249,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     pulsebox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius: \
+                    9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left: \
+                    10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(pulsebox)
@@ -246,9 +275,12 @@ class Source(QtGui.QWidget):
                         for key in json_data["source"]:
                             templist1 = line[1]
                             templist2 = templist1.split(' ')
-                            if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                            if key == templist2[0] and \
+                                    json_data["source"][key]["type"] \
+                                    == line[2]:
                                 self.entry_var[self.count].setText(
-                                    str(json_data["source"][key]["values"][0]["Enter in pwl format"]))
+                                    str(json_data["source"][key]
+                                        ["values"][0]["Enter in pwl format"]))
                     except BaseException:
                         pass
 
@@ -259,8 +291,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     pwlbox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius: \
+                    9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left: \
+                    10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(pwlbox)
@@ -286,9 +320,16 @@ class Source(QtGui.QWidget):
                             for key in json_data["source"]:
                                 templist1 = line[1]
                                 templist2 = templist1.split(' ')
-                                if key == templist2[0] and json_data["source"][key]["type"] == line[2]:
+                                if key == templist2[0] and \
+                                        json_data["source"][key]["type"]\
+                                        == line[2]:
                                     self.entry_var[self.count].setText(
-                                        str(list(json_data["source"][key]["values"][it - 4].values())[0]))
+                                        str(
+                                            list(
+                                                json_data["source"][key]
+                                                ["values"][it - 4].values())[0]
+                                                )
+                                                )
                         except BaseException:
                             pass
 
@@ -299,8 +340,10 @@ class Source(QtGui.QWidget):
 
                     # CSS
                     expbox.setStyleSheet(" \
-                    QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                    QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                    QGroupBox { border: 1px solid gray; border-radius:\
+                     9px; margin-top: 0.5em; } \
+                    QGroupBox::title { subcontrol-origin: margin; left: \
+                    10px; padding: 0 3px 0 3px; } \
                     ")
 
                     self.grid.addWidget(expbox)
diff --git a/src/kicadtoNgspice/SubcircuitTab.py b/src/kicadtoNgspice/SubcircuitTab.py
index 249b636b..b9c6402b 100644
--- a/src/kicadtoNgspice/SubcircuitTab.py
+++ b/src/kicadtoNgspice/SubcircuitTab.py
@@ -3,7 +3,7 @@ import json
 from . import TrackWidget
 from projManagement import Validation
 import os
-#from xml.etree import ElementTree as ET
+# from xml.etree import ElementTree as ET
 
 
 class SubcircuitTab(QtGui.QWidget):
@@ -68,7 +68,8 @@ class SubcircuitTab(QtGui.QWidget):
                 try:
                     for key in json_data["subcircuit"]:
                         if key[0] == eachline[0] and key[1] == eachline[1]:
-                            #print "Subcircuit MATCHING---",child.tag[0], child.tag[1], eachline[0], eachline[1]
+                            # print "Subcircuit MATCHING---",child.tag[0], \
+                            # child.tag[1], eachline[0], eachline[1]
                             try:
                                 if os.path.exists(
                                         json_data["subcircuit"][key][0]):
@@ -85,7 +86,8 @@ class SubcircuitTab(QtGui.QWidget):
                 subgrid.addWidget(self.entry_var[self.count], self.row, 1)
                 self.addbtn = QtGui.QPushButton("Add")
                 self.addbtn.setObjectName("%d" % self.count)
-                # Send the number of ports specified with the given subcircuit for verification.
+                # 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)
@@ -96,8 +98,10 @@ class SubcircuitTab(QtGui.QWidget):
 
                 # CSS
                 subbox.setStyleSheet(" \
-                QGroupBox { border: 1px solid gray; border-radius: 9px; margin-top: 0.5em; } \
-                QGroupBox::title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; } \
+                QGroupBox { border: 1px solid gray; border-radius:\
+                 9px; margin-top: 0.5em; } \
+                QGroupBox::title { subcontrol-origin: margin; left:\
+                 10px; padding: 0 3px 0 3px; } \
                 ")
 
                 self.grid.addWidget(subbox)
@@ -123,7 +127,7 @@ class SubcircuitTab(QtGui.QWidget):
         This function is use to keep track of all Subcircuit widget
         """
         sending_btn = self.sender()
-        #print "Object Called is ",sending_btn.objectName()
+        # print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = int(sending_btn.objectName())
 
         self.subfile = str(
@@ -150,7 +154,8 @@ class SubcircuitTab(QtGui.QWidget):
         elif self.reply == "DIREC":
             self.msg = QtGui.QErrorMessage(self)
             self.msg.showMessage(
-                "Please select a valid Subcircuit directory (Containing '.sub' file).")
+                "Please select a valid Subcircuit directory \
+                (Containing '.sub' file).")
             self.msg.setWindowTitle("Error Message")
             self.msg.show()
 
@@ -178,6 +183,7 @@ class SubcircuitTab(QtGui.QWidget):
         elif self.reply == "DIREC":
             self.msg = QtGui.QErrorMessage(self)
             self.msg.showMessage(
-                "Please select a valid Subcircuit directory (Containing '.sub' file).")
+                "Please select a valid Subcircuit directory \
+                (Containing '.sub' file).")
             self.msg.setWindowTitle("Error Message")
             self.msg.show()
\ No newline at end of file