| import FrameWork |
| import EasyDialogs |
| from Carbon import Res |
| from Carbon import Dlg |
| import sys |
| import socket |
| import string |
| # |
| # Definitions for our resources |
| ID_MAIN=512 |
| ID_ABOUT=513 |
| |
| ITEM_LOOKUP_ENTRY=1 |
| ITEM_RESULT=2 |
| ITEM_LOOKUP_BUTTON=3 |
| |
| def main(): |
| try: |
| dummy = Res.GetResource('DLOG', ID_MAIN) |
| except Res.Error: |
| try: |
| Res.FSpOpenResFile("dnslookup-2.rsrc", 1) |
| except Res.Error: |
| EasyDialogs.Message("Cannot open dnslookup-2.rsrc") |
| sys.exit(1) |
| DNSLookup() |
| |
| class DNSLookup(FrameWork.Application): |
| "Application class for DNS Lookup" |
| |
| def __init__(self): |
| # First init menus, etc. |
| FrameWork.Application.__init__(self) |
| # Next create our dialog |
| self.main_dialog = MyDialog(self) |
| # Now open the dialog |
| self.main_dialog.open(ID_MAIN) |
| # Finally, go into the event loop |
| self.mainloop() |
| |
| def makeusermenus(self): |
| self.filemenu = m = FrameWork.Menu(self.menubar, "File") |
| self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit) |
| |
| def quit(self, *args): |
| self._quit() |
| |
| def do_about(self, *args): |
| f = Dlg.GetNewDialog(ID_ABOUT, -1) |
| while 1: |
| n = Dlg.ModalDialog(None) |
| if n == 1: |
| return |
| |
| class MyDialog(FrameWork.DialogWindow): |
| "Main dialog window for DNSLookup" |
| def __init__(self, parent): |
| FrameWork.DialogWindow.__init__(self, parent) |
| self.parent = parent |
| |
| def do_itemhit(self, item, event): |
| if item == ITEM_LOOKUP_BUTTON: |
| self.dolookup() |
| |
| def dolookup(self): |
| """Get text entered in the lookup entry area. Place result of the |
| call to dnslookup in the result entry area.""" |
| tp, h, rect = self.dlg.GetDialogItem(ITEM_LOOKUP_ENTRY) |
| txt = Dlg.GetDialogItemText(h) |
| |
| tp, h, rect = self.dlg.GetDialogItem(ITEM_RESULT) |
| Dlg.SetDialogItemText(h, self.dnslookup(txt)) |
| |
| def dnslookup(self, str): |
| """ Perform DNS lookup on str. If first character of digit is numeric, |
| assume that str contains an IP address. Otherwise, assume that str |
| contains a hostname.""" |
| if str == '': str = ' ' |
| if str[0] in string.digits: |
| try: |
| value = socket.gethostbyaddr(str)[0] |
| except: |
| value = 'Lookup failed' |
| else: |
| try: |
| value = socket.gethostbyname(str) |
| except: |
| value = 'Lookup failed' |
| return value |
| |
| |
| main() |