| 1 | import FrameWork
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| 2 | import EasyDialogs
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| 3 | from Carbon import Res
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| 4 | from Carbon import Dlg
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| 5 | import socket
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| 6 | import string
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| 7 | import macresource
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| 8 | #
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| 9 | # Definitions for our resources
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| 10 | ID_MAIN=512
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| 11 | ID_ABOUT=513
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| 12 |
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| 13 | ITEM_LOOKUP_ENTRY=1
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| 14 | ITEM_RESULT=2
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| 15 | ITEM_LOOKUP_BUTTON=3
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| 16 |
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| 17 | def main():
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| 18 | macresource.need("DLOG", ID_MAIN, "dnslookup-2.rsrc")
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| 19 | DNSLookup()
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| 20 |
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| 21 | class DNSLookup(FrameWork.Application):
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| 22 | "Application class for DNS Lookup"
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| 23 |
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| 24 | def __init__(self):
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| 25 | # First init menus, etc.
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| 26 | FrameWork.Application.__init__(self)
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| 27 | # Next create our dialog
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| 28 | self.main_dialog = MyDialog(self)
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| 29 | # Now open the dialog
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| 30 | self.main_dialog.open(ID_MAIN)
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| 31 | # Finally, go into the event loop
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| 32 | self.mainloop()
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| 33 |
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| 34 | def makeusermenus(self):
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| 35 | self.filemenu = m = FrameWork.Menu(self.menubar, "File")
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| 36 | self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
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| 37 |
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| 38 | def quit(self, *args):
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| 39 | self._quit()
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| 40 |
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| 41 | def do_about(self, *args):
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| 42 | f = Dlg.GetNewDialog(ID_ABOUT, -1)
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| 43 | while 1:
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| 44 | n = Dlg.ModalDialog(None)
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| 45 | if n == 1:
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| 46 | return
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| 47 |
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| 48 | class MyDialog(FrameWork.DialogWindow):
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| 49 | "Main dialog window for DNSLookup"
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| 50 | def __init__(self, parent):
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| 51 | FrameWork.DialogWindow.__init__(self, parent)
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| 52 | self.parent = parent
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| 53 |
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| 54 | def do_itemhit(self, item, event):
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| 55 | if item == ITEM_LOOKUP_BUTTON:
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| 56 | self.dolookup()
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| 57 |
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| 58 | def dolookup(self):
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| 59 | """Get text entered in the lookup entry area. Place result of the
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| 60 | call to dnslookup in the result entry area."""
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| 61 | tp, h, rect = self.dlg.GetDialogItem(ITEM_LOOKUP_ENTRY)
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| 62 | txt = Dlg.GetDialogItemText(h)
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| 63 |
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| 64 | tp, h, rect = self.dlg.GetDialogItem(ITEM_RESULT)
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| 65 | Dlg.SetDialogItemText(h, self.dnslookup(txt))
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| 66 |
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| 67 | def dnslookup(self, str):
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| 68 | """ Perform DNS lookup on str. If first character of digit is numeric,
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| 69 | assume that str contains an IP address. Otherwise, assume that str
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| 70 | contains a hostname."""
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| 71 | if str == '': str = ' '
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| 72 | if str[0] in string.digits:
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| 73 | try:
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| 74 | value = socket.gethostbyaddr(str)[0]
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| 75 | except:
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| 76 | value = 'Lookup failed'
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| 77 | else:
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| 78 | try:
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| 79 | value = socket.gethostbyname(str)
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| 80 | except:
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| 81 | value = 'Lookup failed'
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| 82 | return value
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| 83 |
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| 84 |
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| 85 | main()
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