Tying a native mac UI to shell script via PyObjC.

MacPyBash.py

# 2011, andyvanee

from Foundation import *
from AppKit import *
from Cocoa import *

class LockboxAppDelegate(NSObject):
  configPanel = objc.IBOutlet()
  srcFolder = objc.IBOutlet()
  destFolder = objc.IBOutlet()
  password = objc.IBOutlet()
  debugDisplay = objc.IBOutlet()
  startAgent = objc.IBOutlet()
  statusMenu = objc.IBOutlet()
  statusItem = False
  statusIcon = NSImage.imageNamed_("lock_icon.png")
  
  def taskCompletion_(self, sender):
    NSLog("Task Complete")

  def applicationDidFinishLaunching_(self, sender):
    NSLog("Application did finish launching.")
    self.statusItem = NSStatusBar.systemStatusBar().statusItemWithLength_(NSVariableStatusItemLength)
    self.statusItem.setMenu_(self.statusMenu)
    self.statusItem.setImage_(self.statusIcon)
    self.statusItem.setHighlightMode_(True)
    
  @objc.IBAction
  def changeSrc_(self, sender):
    self.srcFolder.setStringValue_(openFile())
  
  @objc.IBAction
  def changeDest_(self, sender):
    self.destFolder.setStringValue_(openFile())
  
  @objc.IBAction
  def startSync_(self, sender):
    src = self.srcFolder.stringValue()
    dest = self.destFolder.stringValue()
    script = NSBundle.mainBundle().pathForResource_ofType_('lockbox', 'sh')
    task = NSTask.alloc().init()
    task.setLaunchPath_(script)
    scriptout = NSBundle.mainBundle().pathForResource_ofType_('scriptout', 'txt')
    task.setStandardOutput_(NSFileHandle.fileHandleForUpdatingAtPath_(scriptout))
    task.launch()
    while task.isRunning():
      pass
    status = task.terminationStatus()
    old_out = self.debugDisplay.stringValue()
    a = None; err = None
    str_data = NSString.alloc().initWithContentsOfFile_usedEncoding_error_(scriptout, a, err) 
    self.debugDisplay.setStringValue_( str_data[0]+"\n"+old_out )
    
    
  @objc.IBAction
  def openConfigPanel_(self, sender):
    self.configPanel.makeKeyAndOrderFront_(self)
    NSLog("Open config")

def openFile():
  panel = NSOpenPanel.openPanel()
  panel.setCanCreateDirectories_(True)
  panel.setCanChooseDirectories_(True)
  panel.setCanChooseFiles_(False)
  panel.setAllowsMultipleSelection_(False)
  if panel.runModal() == NSOKButton:
    return panel.filename()
  return