1 files changed, 92 insertions, 0 deletions
diff --git a/Mac/Demo/example2/dnslookup-2.py b/Mac/Demo/example2/dnslookup-2.py
new file mode 100644
index 0000000..970b2ab
--- /dev/null
+++ b/Mac/Demo/example2/dnslookup-2.py
@@ -0,0 +1,92 @@
+import FrameWork
+import EasyDialogs
+import Res
+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.OpenResFile("dnslookup-2.rsrc")
+        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.wid.GetDialogItem(ITEM_LOOKUP_ENTRY)
+        txt = Dlg.GetDialogItemText(h)
+
+        tp, h, rect = self.wid.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()