platform independent library and image paths, flake8 compliant

15 files changed, 143 insertions, 77 deletions

diff --git a/src/browser/UserManual.py b/src/browser/UserManual.py
index f31af29d..886d88a5 100644
--- a/src/browser/UserManual.py
+++ b/src/browser/UserManual.py
@@ -1,6 +1,5 @@
 from PyQt4 import QtGui
 import subprocess
-import platform
 import os
 
 
@@ -15,14 +14,15 @@ class UserManual(QtGui.QWidget):
 
         self.vlayout = QtGui.QVBoxLayout()
 
-        file = os.path.realpath(
-            'library/browser/User-Manual/eSim_Manual_2019_Dec_31.pdf'
-        )
+        manual = 'library/browser/User-Manual/eSim_Manual_2.1.pdf'
 
-        if 'Win' in platform.system():
-            os.startfile(file)
+        if os.name == 'nt':
+            os.startfile(os.path.realpath(manual))
         else:
-            subprocess.Popen(['xpdf.real', file], shell=False)
+            manual_path = '../../' + manual
+            subprocess.Popen(
+                ['xdg-open', os.path.realpath(manual_path)], shell=False
+            )
 
         self.setLayout(self.vlayout)
         self.show()
diff --git a/src/browser/Welcome.py b/src/browser/Welcome.py
index 69584f10..aa7b612f 100644
--- a/src/browser/Welcome.py
+++ b/src/browser/Welcome.py
@@ -1,4 +1,5 @@
 from PyQt4 import QtGui, QtCore
+import os
 
 
 class Welcome(QtGui.QWidget):
@@ -10,10 +11,14 @@ class Welcome(QtGui.QWidget):
     def __init__(self):
         QtGui.QWidget.__init__(self)
         self.vlayout = QtGui.QVBoxLayout()
-
         self.browser = QtGui.QTextBrowser()
+
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.browser.setSource(QtCore.QUrl(
-            "library/browser/welcome.html")
+            init_path + "library/browser/welcome.html")
         )
         self.browser.setOpenExternalLinks(True)
         self.browser.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
diff --git a/src/configuration/Appconfig.py b/src/configuration/Appconfig.py
index 6a10f3d7..a079d472 100644
--- a/src/configuration/Appconfig.py
+++ b/src/configuration/Appconfig.py
@@ -13,7 +13,7 @@
 #      MODIFIED: Rahul Paknikar, rahulp@iitb.ac.in
 #  ORGANIZATION: eSim team at FOSSEE, IIT Bombay.
 #       CREATED: Tuesday 24 February 2015
-#      REVISION: Friday 14 February 2020
+#      REVISION: Friday 24 July 2020
 # =========================================================================
 
 from PyQt4 import QtGui
@@ -80,7 +80,12 @@ class Appconfig(QtGui.QWidget):
 
     # Open file and read KiCad config path
     try:
-        file = open('library/supportFiles/kicad_config_path.txt', 'r')
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
+        file = open(init_path +
+                    'library/supportFiles/kicad_config_path.txt', 'r')
         kicad_path = file.read().rstrip()
         file.close()
     except BaseException as e:
diff --git a/src/frontEnd/Application.py b/src/frontEnd/Application.py
index 92013409..6eaf4c9c 100644
--- a/src/frontEnd/Application.py
+++ b/src/frontEnd/Application.py
@@ -13,10 +13,18 @@
 #      MODIFIED: Rahul Paknikar, rahulp@iitb.ac.in
 #  ORGANIZATION: eSim team at FOSSEE, IIT Bombay.
 #       CREATED: Tuesday 24 February 2015
-#      REVISION: Friday 14 February 2020
+#      REVISION: Friday 24 July 2020
 # =========================================================================
 
-from frontEnd import pathmagic  # noqa
+import os
+
+if os.name == 'nt': # noqa
+    init_path = ''
+    from frontEnd import pathmagic  # noqa:F401
+else:
+    import pathmagic    # noqa:F401
+    init_path = '../../'
+
 from PyQt4 import QtGui, QtCore
 from configuration.Appconfig import Appconfig
 from projManagement.openProject import OpenProjectInfo
@@ -27,11 +35,10 @@ from projManagement import Worker
 from frontEnd import ProjectExplorer
 from frontEnd import Workspace
 from frontEnd import DockArea
-import time
 from PyQt4.Qt import QSize
-import sys
-import os
 import shutil
+import time
+import sys
 
 
 # Its our main window of application.
@@ -64,10 +71,10 @@ class Application(QtGui.QMainWindow):
                          self.obj_appconfig._app_heigth)
         self.setWindowTitle(self.obj_appconfig._APPLICATION)
         self.showMaximized()
-        self.setWindowIcon(QtGui.QIcon('images/logo.png'))
+        self.setWindowIcon(QtGui.QIcon(init_path + 'images/logo.png'))
 
         self.systemTrayIcon = QtGui.QSystemTrayIcon(self)
-        self.systemTrayIcon.setIcon(QtGui.QIcon('images/logo.png'))
+        self.systemTrayIcon.setIcon(QtGui.QIcon(init_path + 'images/logo.png'))
         self.systemTrayIcon.setVisible(True)
 
     def initToolBar(self):
@@ -83,28 +90,28 @@ class Application(QtGui.QMainWindow):
         """
         # Top Tool bar
         self.newproj = QtGui.QAction(
-            QtGui.QIcon('images/newProject.png'),
+            QtGui.QIcon(init_path + 'images/newProject.png'),
             '<b>New Project</b>', self
         )
         self.newproj.setShortcut('Ctrl+N')
         self.newproj.triggered.connect(self.new_project)
 
         self.openproj = QtGui.QAction(
-            QtGui.QIcon('images/openProject.png'),
+            QtGui.QIcon(init_path + 'images/openProject.png'),
             '<b>Open Project</b>', self
         )
         self.openproj.setShortcut('Ctrl+O')
         self.openproj.triggered.connect(self.open_project)
 
         self.closeproj = QtGui.QAction(
-            QtGui.QIcon('images/closeProject.png'),
+            QtGui.QIcon(init_path + 'images/closeProject.png'),
             '<b>Close Project</b>', self
         )
         self.closeproj.setShortcut('Ctrl+X')
         self.closeproj.triggered.connect(self.close_project)
 
         self.wrkspce = QtGui.QAction(
-            QtGui.QIcon('images/workspace.ico'),
+            QtGui.QIcon(init_path + 'images/workspace.ico'),
             '<b>Change Workspace</b>', self
         )
         self.wrkspce.setShortcut('Ctrl+W')
@@ -114,17 +121,17 @@ class Application(QtGui.QMainWindow):
         self.validate_mode()
         if self.online_flag is True:
             self.switchmode = QtGui.QAction(QtGui.QIcon(
-                'images/online.png'),
+                init_path + 'images/online.png'),
                 '<b>Go Offline</b>', self
             )
         elif self.online_flag is False:
             self.switchmode = QtGui.QAction(QtGui.QIcon(
-                'images/offline.png'),
+                init_path + 'images/offline.png'),
                 '<b>Go Online</b>', self
             )
         elif self.online_flag is None:
             self.switchmode = QtGui.QAction(QtGui.QIcon(
-                'images/disable.png'),
+                init_path + 'images/disable.png'),
                 '<b>Mode switching has been disabled. ' +
                 'Default mode set to offline</b>', self
             )
@@ -133,7 +140,8 @@ class Application(QtGui.QMainWindow):
         self.switchmode.triggered.connect(self.change_mode)
 
         self.helpfile = QtGui.QAction(
-            QtGui.QIcon('images/helpProject.png'), '<b>Help</b>', self
+            QtGui.QIcon(init_path + 'images/helpProject.png'),
+            '<b>Help</b>', self
         )
         self.helpfile.setShortcut('Ctrl+H')
         self.helpfile.triggered.connect(self.help_project)
@@ -156,7 +164,7 @@ class Application(QtGui.QMainWindow):
         self.logo = QtGui.QLabel()
         self.logopic = QtGui.QPixmap(
             os.path.join(
-                os.path.abspath(''), 'images', 'fosseeLogo.png'
+                os.path.abspath(''), init_path + 'images', 'fosseeLogo.png'
             ))
         self.logopic = self.logopic.scaled(
             QSize(150, 150), QtCore.Qt.KeepAspectRatio)
@@ -166,45 +174,49 @@ class Application(QtGui.QMainWindow):
 
         # Left Tool bar Action Widget
         self.kicad = QtGui.QAction(
-            QtGui.QIcon('images/kicad.png'),
+            QtGui.QIcon(init_path + 'images/kicad.png'),
             '<b>Open Schematic</b>', self
         )
         self.kicad.triggered.connect(self.obj_kicad.openSchematic)
 
         self.conversion = QtGui.QAction(
-            QtGui.QIcon('images/ki-ng.png'),
+            QtGui.QIcon(init_path + 'images/ki-ng.png'),
             '<b>Convert Kicad to Ngspice</b>', self
         )
         self.conversion.triggered.connect(self.obj_kicad.openKicadToNgspice)
 
         self.ngspice = QtGui.QAction(
-            QtGui.QIcon('images/ngspice.png'), '<b>Simulation</b>', self
+            QtGui.QIcon(init_path + 'images/ngspice.png'),
+            '<b>Simulation</b>', self
         )
         self.ngspice.triggered.connect(self.open_ngspice)
 
         self.model = QtGui.QAction(
-            QtGui.QIcon('images/model.png'), '<b>Model Editor</b>', self
+            QtGui.QIcon(init_path + 'images/model.png'),
+            '<b>Model Editor</b>', self
         )
         self.model.triggered.connect(self.open_modelEditor)
 
         self.subcircuit = QtGui.QAction(
-            QtGui.QIcon('images/subckt.png'), '<b>Subcircuit</b>', self
+            QtGui.QIcon(init_path + 'images/subckt.png'),
+            '<b>Subcircuit</b>', self
         )
         self.subcircuit.triggered.connect(self.open_subcircuit)
 
         self.nghdl = QtGui.QAction(
-            QtGui.QIcon('images/nghdl.png'), '<b>Nghdl</b>', self
+            QtGui.QIcon(init_path + 'images/nghdl.png'), '<b>Nghdl</b>', self
         )
         self.nghdl.triggered.connect(self.open_nghdl)
 
         self.omedit = QtGui.QAction(
-            QtGui.QIcon('images/omedit.png'),
+            QtGui.QIcon(init_path + 'images/omedit.png'),
             '<b>Modelica Converter</b>', self
         )
         self.omedit.triggered.connect(self.open_OMedit)
 
         self.omoptim = QtGui.QAction(
-            QtGui.QIcon('images/omoptim.png'), '<b>OM Optimisation</b>', self
+            QtGui.QIcon(init_path + 'images/omoptim.png'),
+            '<b>OM Optimisation</b>', self
         )
         self.omoptim.triggered.connect(self.open_OMoptim)
 
@@ -398,10 +410,14 @@ class Application(QtGui.QMainWindow):
                               "/fp-lib-table-online")
 
                 # Restore original files
-                shutil.copy('library/supportFiles/fp-lib-table-online',
-                            self.obj_appconfig.kicad_path + "/")
-                shutil.copy('library/supportFiles/fp-lib-table',
-                            self.obj_appconfig.kicad_path + "/")
+                shutil.copy(
+                    init_path + 'library/supportFiles/fp-lib-table-online',
+                    self.obj_appconfig.kicad_path + "/"
+                )
+                shutil.copy(
+                    init_path + 'library/supportFiles/fp-lib-table',
+                    self.obj_appconfig.kicad_path + "/"
+                )
 
                 self.online_flag = False
         else:
@@ -442,7 +458,7 @@ class Application(QtGui.QMainWindow):
                     self.obj_appconfig.kicad_path + "/fp-lib-table"
                 )
                 self.switchmode.setIcon(
-                    QtGui.QIcon('images/offline.png')
+                    QtGui.QIcon(init_path + 'images/offline.png')
                 )
                 self.switchmode.setText('<b>Go Online</b>')
                 self.switchmode.setEnabled(True)
@@ -460,7 +476,7 @@ class Application(QtGui.QMainWindow):
                     self.obj_appconfig.kicad_path + "/fp-lib-table"
                 )
                 self.switchmode.setIcon(
-                    QtGui.QIcon('images/online.png')
+                    QtGui.QIcon(init_path + 'images/online.png')
                 )
                 self.switchmode.setText('<b>Go Offline</b>')
                 self.switchmode.setEnabled(True)
@@ -468,7 +484,7 @@ class Application(QtGui.QMainWindow):
 
             elif self.online_flag is None:
                 self.switchmode.setIcon(
-                    QtGui.QIcon('images/disable.png')
+                    QtGui.QIcon(init_path + 'images/disable.png')
                 )
                 self.switchmode.setText(
                     '<b>Mode switching has been ' +
@@ -798,7 +814,7 @@ def main(args):
     print("Starting eSim......")
     app = QtGui.QApplication(args)
 
-    splash_pix = QtGui.QPixmap('images/splash_screen_esim.png')
+    splash_pix = QtGui.QPixmap(init_path + 'images/splash_screen_esim.png')
     splash = QtGui.QSplashScreen(splash_pix, QtCore.Qt.WindowStaysOnTopHint)
     splash.setMask(splash_pix.mask())
     splash.show()
diff --git a/src/frontEnd/ProjectExplorer.py b/src/frontEnd/ProjectExplorer.py
index f0227164..d327427c 100644
--- a/src/frontEnd/ProjectExplorer.py
+++ b/src/frontEnd/ProjectExplorer.py
@@ -33,23 +33,27 @@ class ProjectExplorer(QtGui.QWidget):
         self.treewidget.setColumnHidden(1, True)
 
         # CSS
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.treewidget.setStyleSheet(" \
             QTreeView { border-radius: 15px; border: 1px \
             solid gray; padding: 5px; width: 200px; height: 150px;  }\
             QTreeView::branch:has-siblings:!adjoins-item { \
-            border-image: url(images/vline.png) 0;} \
+            border-image: url(" + init_path + "images/vline.png) 0;} \
             QTreeView::branch:has-siblings:adjoins-item { \
-            border-image: url(images/branch-more.png) 0; } \
+            border-image: url(" + init_path + "images/branch-more.png) 0; } \
             QTreeView::branch:!has-children:!has-siblings:adjoins-item { \
-            border-image: url(images/branch-end.png) 0; } \
+            border-image: url(" + init_path + "images/branch-end.png) 0; } \
             QTreeView::branch:has-children:!has-siblings:closed, \
             QTreeView::branch:closed:has-children:has-siblings { \
             border-image: none; \
-            image: url(images/branch-closed.png); } \
+            image: url(" + init_path + "images/branch-closed.png); } \
             QTreeView::branch:open:has-children:!has-siblings, \
             QTreeView::branch:open:has-children:has-siblings  { \
             border-image: none; \
-            image: url(images/branch-open.png); } \
+            image: url(" + init_path + "images/branch-open.png); } \
         ")
 
         for parents, children in list(
diff --git a/src/frontEnd/Workspace.py b/src/frontEnd/Workspace.py
index 6940da59..ee3a49f3 100644
--- a/src/frontEnd/Workspace.py
+++ b/src/frontEnd/Workspace.py
@@ -13,7 +13,7 @@
 #      MODIFIED: Rahul Paknikar, rahulp@iitb.ac.in
 #  ORGANIZATION: eSim team at FOSSEE, IIT Bombay.
 #       CREATED: Wednesday 05 February 2015
-#      REVISION: Friday 14 February 2020
+#      REVISION: Friday 24 July 2020
 # =========================================================================
 
 from PyQt4 import QtCore, QtGui
@@ -82,7 +82,12 @@ class Workspace(QtGui.QWidget):
         self.setWindowTitle("eSim")
         self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
         self.note.setReadOnly(True)
-        self.setWindowIcon(QtGui.QIcon('images/logo.png'))
+
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
+        self.setWindowIcon(QtGui.QIcon(init_path + 'images/logo.png'))
         self.setLayout(self.grid)
 
     def defaultWorkspace(self):
diff --git a/src/kicadtoNgspice/DeviceModel.py b/src/kicadtoNgspice/DeviceModel.py
index 31ff74f7..ceb89351 100644
--- a/src/kicadtoNgspice/DeviceModel.py
+++ b/src/kicadtoNgspice/DeviceModel.py
@@ -364,11 +364,16 @@ class DeviceModel(QtGui.QWidget):
         sending_btn = self.sender()
         self.widgetObjCount = int(sending_btn.objectName())
 
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.libfile = str(
             QtGui.QFileDialog.getOpenFileName(
                 self, "Open Library Directory",
-                "library/deviceModelLibrary",
-                "*.lib"))
+                init_path + "library/deviceModelLibrary", "*.lib"
+            )
+        )
 
         # 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 6d654158..b52a4de8 100644
--- a/src/kicadtoNgspice/KicadtoNgspice.py
+++ b/src/kicadtoNgspice/KicadtoNgspice.py
@@ -599,16 +599,16 @@ class MainWindow(QtGui.QWidget):
         tree = ET.ElementTree(attr_parent)
         tree.write(fw)
 
-        # Create Convert object with the source details & the schematic details
-        print("=============================================================")
-        print("SOURCE LIST TRACK")
-        print(self.obj_track.sourcelisttrack["ITEMS"])
-        print("SOURCE ENTRY VAR")
-        print(self.obj_track.source_entry_var["ITEMS"])
-        print("SCHEMATIC INFO")
-        print(store_schematicInfo)
-        print("=============================================================")
+        # print("=============================================================")
+        # print("SOURCE LIST TRACK")
+        # print(self.obj_track.sourcelisttrack["ITEMS"])
+        # print("SOURCE ENTRY VAR")
+        # print(self.obj_track.source_entry_var["ITEMS"])
+        # print("SCHEMATIC INFO")
+        # print(store_schematicInfo)
+        # print("=============================================================")
 
+        # Create Convert object with the source details & the schematic details
         self.obj_convert = Convert.Convert(
             self.obj_track.sourcelisttrack["ITEMS"],
             self.obj_track.source_entry_var["ITEMS"],
diff --git a/src/kicadtoNgspice/Processing.py b/src/kicadtoNgspice/Processing.py
index 67ffd3f5..494c49b4 100644
--- a/src/kicadtoNgspice/Processing.py
+++ b/src/kicadtoNgspice/Processing.py
@@ -8,7 +8,11 @@ class PrcocessNetlist:
     - This class include all the function required for pre-proccessing of
       netlist before converting to Ngspice Netlist.
     """
-    modelxmlDIR = 'library/modelParamXML'
+    init_path = '../../'
+    if os.name == 'nt':
+        init_path = ''
+
+    modelxmlDIR = init_path + 'library/modelParamXML'
 
     def __init__(self):
         pass
diff --git a/src/kicadtoNgspice/SubcircuitTab.py b/src/kicadtoNgspice/SubcircuitTab.py
index d68cb97e..f4b759c5 100644
--- a/src/kicadtoNgspice/SubcircuitTab.py
+++ b/src/kicadtoNgspice/SubcircuitTab.py
@@ -146,10 +146,14 @@ class SubcircuitTab(QtGui.QWidget):
         # print "Object Called is ",sending_btn.objectName()
         self.widgetObjCount = int(sending_btn.objectName())
 
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.subfile = str(
             QtGui.QFileDialog.getExistingDirectory(
                 self, "Open Subcircuit",
-                "library/SubcircuitLibrary")
+                init_path + "library/SubcircuitLibrary")
             )
         self.reply = self.obj_validation.validateSub(
             self.subfile, self.numPorts[self.widgetObjCount - 1])
diff --git a/src/modelEditor/ModelEditor.py b/src/modelEditor/ModelEditor.py
index 0b6990f3..e8fda482 100644
--- a/src/modelEditor/ModelEditor.py
+++ b/src/modelEditor/ModelEditor.py
@@ -30,7 +30,12 @@ class ModelEditorclass(QtGui.QWidget):
 
     def __init__(self):
         QtGui.QWidget.__init__(self)
-        self.savepathtest = 'library/deviceModelLibrary'
+
+        self.init_path = '../../'
+        if os.name == 'nt':
+            self.init_path = ''
+
+        self.savepathtest = self.init_path + 'library/deviceModelLibrary'
         self.obj_appconfig = Appconfig()
         self.newflag = 0
         self.layout = QtGui.QVBoxLayout()
@@ -252,7 +257,7 @@ class ModelEditorclass(QtGui.QWidget):
         - Accordingly call `createtable(path)` to draw tables usingg QTable
         - Check for the state of button before rendering
         '''
-        self.path = 'library/deviceModelLibrary/Templates'
+        self.path = self.init_path + 'library/deviceModelLibrary/Templates'
         if self.diode.isChecked():
             if filetype == 'Diode':
                 path = os.path.join(self.path, 'D.xml')
@@ -326,7 +331,7 @@ class ModelEditorclass(QtGui.QWidget):
                 QtGui.QFileDialog.getOpenFileName(
                     self,
                     "Open Library Directory",
-                    "library/deviceModelLibrary",
+                    self.init_path + "library/deviceModelLibrary",
                     "*.lib"))
             self.createtable(self.editfile)
         except BaseException:
@@ -471,7 +476,7 @@ class ModelEditorclass(QtGui.QWidget):
             ET.SubElement(param, tags).text = text
         tree = ET.ElementTree(root)
         defaultcwd = os.getcwd()
-        self.savepath = 'library/deviceModelLibrary'
+        self.savepath = self.init_path + 'library/deviceModelLibrary'
         if self.diode.isChecked():
             savepath = os.path.join(self.savepath, 'Diode')
             os.chdir(savepath)
@@ -695,7 +700,7 @@ class ModelEditorclass(QtGui.QWidget):
             QtGui.QFileDialog.getOpenFileName(
                 self,
                 "Open Library Directory",
-                "library/deviceModelLibrary",
+                self.init_path + "library/deviceModelLibrary",
                 "*.lib"))
         libopen = open(self.libfile)
         filedata = libopen.read().split()
diff --git a/src/ngspicetoModelica/NgspicetoModelica.py b/src/ngspicetoModelica/NgspicetoModelica.py
index 09e28981..4df65c8d 100644
--- a/src/ngspicetoModelica/NgspicetoModelica.py
+++ b/src/ngspicetoModelica/NgspicetoModelica.py
@@ -472,12 +472,11 @@ class NgMoConverter:
                         self.mappingData["Devices"][deviceName]["import"]
                     ) + ".NPN"
                 elif trans == 'pnp':
-                    start = (
-                        self.mappingData
-                        ["Devices"]
-                        [deviceName]
-                        ["import"]
-                    ) + ".PNP"
+                    start = (self.mappingData
+                             ["Devices"]
+                             [deviceName]
+                             ["import"]
+                             ) + ".PNP"
                 else:
                     raise NameError("Transistor " + str(trans) + " Not found")
 
diff --git a/src/subcircuit/newSub.py b/src/subcircuit/newSub.py
index 5e98d24a..9c9ebbd8 100644
--- a/src/subcircuit/newSub.py
+++ b/src/subcircuit/newSub.py
@@ -27,11 +27,16 @@ class NewSub(QtGui.QWidget):
             - Name can not be empty.
             - File name already exists.
         """
+
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.create_schematic = subName
         # Checking if Workspace already exist or not
         self.schematic_path = (
             os.path.join(
-                os.path.abspath('library'),
+                os.path.abspath(init_path + 'library'),
                 'SubcircuitLibrary',
                 self.create_schematic))
 
diff --git a/src/subcircuit/openSub.py b/src/subcircuit/openSub.py
index 6cb4fe3e..0e0906c0 100644
--- a/src/subcircuit/openSub.py
+++ b/src/subcircuit/openSub.py
@@ -16,9 +16,14 @@ class openSub(QtGui.QWidget):
         self.obj_appconfig = Appconfig()
 
     def body(self):
+
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         self.editfile = str(
             QtGui.QFileDialog.getExistingDirectory(
-                None, "Open File", "library/SubcircuitLibrary"))
+                None, "Open File", init_path + "library/SubcircuitLibrary"))
         if self.editfile:
             self.obj_Appconfig = Appconfig()
             self.obj_Appconfig.current_subcircuit['SubcircuitName'] \
diff --git a/src/subcircuit/uploadSub.py b/src/subcircuit/uploadSub.py
index 25a6e7d4..c7b3951f 100644
--- a/src/subcircuit/uploadSub.py
+++ b/src/subcircuit/uploadSub.py
@@ -63,8 +63,12 @@ class UploadSub(QtGui.QWidget):
             print("Invalid file format")
             return
 
+        init_path = '../../'
+        if os.name == 'nt':
+            init_path = ''
+
         subcircuit_path = os.path.join(
-            os.path.abspath('library'),
+            os.path.abspath(init_path + 'library'),
             'SubcircuitLibrary', create_subcircuit
         )