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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()
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