Fixed an issue with mac app cwd being in the wrong place.

main.py

@@ -1,5 +1,5 @@
 from utils import zip_files, join_files
-import sys, os, glob, json, re, shutil, stat, tarfile, zipfile
+import sys, os, glob, json, re, shutil, stat, tarfile, zipfile, traceback
 from PySide import QtGui, QtCore
 from PySide.QtGui import QApplication
 from PySide.QtNetwork import QHttp
@@ -7,6 +7,14 @@ from PySide.QtCore import QUrl, QFileInfo, QFile, QIODevice
 from zipfile import ZipFile
 from tarfile import TarFile
 
+frozen = getattr(sys, 'frozen', '')
+
+if frozen:
+    CWD = os.path.dirname(sys.executable)
+    os.chdir(CWD)
+else:
+    CWD = os.getcwd()
+
 class WThread(QtCore.QThread):
     def __init__(self, widget, method_name, parent=None):
         QtCore.QThread.__init__(self, parent)
@@ -322,6 +330,8 @@ class MainWindow(QtGui.QWidget):
     def doneMakingFiles(self):
         self.ex_button.setEnabled(True)
         self.progress_label.setText('Done Exporting.')
+        if self.output_err:
+            QtGui.QMessageBox.information(self, 'Error!', str(self.output_err))
 
     def extractFilesInBackground(self):
         self.progress_label.setText('Extracting')
@@ -735,7 +745,7 @@ class MainWindow(QtGui.QWidget):
         return str(val)
 
     def copyFilesToProjectFolder(self):
-        old_dir = os.getcwd()
+        old_dir = CWD
         os.chdir(self.projectDir())
         for sgroup in self._setting_groups:
             for setting in sgroup.values():
@@ -749,6 +759,7 @@ class MainWindow(QtGui.QWidget):
         os.chdir(old_dir)
 
     def makeOutputDirs(self):
+        self.output_err = ''
         try:
             self.progress_label.setText('Removing old output directory...')
 
@@ -809,6 +820,8 @@ class MainWindow(QtGui.QWidget):
                         self.progress_label.setText(self.progress_label.text()+'.')
 
                         os.remove(nw_path)
+        except Exception as e:
+            self.output_err += ''.join(traceback.format_exception(sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2]))
         finally:
             shutil.rmtree(tempDir)