fetchmailconf: Permit editing the first item from a list, and more updates.

* Remove a bogus check that would prevent editing the first items from list boxes.
* Require Python 2.3.
* Convert apply() call to function(*(tuple,)) syntax
* string.atoi() -> int() on select[0], to continue where it's not a string

2 files changed, 16 insertions, 9 deletions

diff --git a/NEWS b/NEWS
index 79ce5b19..5080e773 100644
--- a/NEWS
+++ b/NEWS
@@ -169,6 +169,8 @@ fetchmail-6.4.0 (not yet released):
   of known mail.  (Fix contributed by Lauri Nurmi, GitLab Merge Request !10.)
 * fetchmail no longer reports "System error during SSL_connect(): Success."
   Fixes Debian Bug#928916, reported by Paul Kimoto.
+* fetchmailconf would ignore Edit or Delete actions on the first (topmost)
+  item in a list (no matter if server list, user list, ...).
 
 ## UPDATED TRANSLATIONS - THANKS TO:
 * CS: Petr Pisar <petr.pisar@atlas.cz> [Czech]
diff --git a/fetchmailconf.py b/fetchmailconf.py
index 1c780d4b..063e6f3d 100755
--- a/fetchmailconf.py
+++ b/fetchmailconf.py
@@ -11,12 +11,17 @@
 # WARNING: to be compatible with Python 3, needs to be run thru 2to3.py.
 from __future__ import print_function
 
-version = "1.58"
+version = "1.59"
+
+import sys
+
+MIN_PY = (2,3)
+if sys.version_info < MIN_PY:
+    sys.exit("fetchmailconf: Python %s.%s or later is required.\n" % MIN_PY);
 
 from Tkinter import *
 from Dialog import *
-
-import sys, time, os, string, socket, getopt, tempfile
+import time, os, string, socket, getopt, tempfile
 
 #
 # Define the data structures the GUIs will be tossing around
@@ -598,7 +603,7 @@ class ListEdit(Frame):
                 self.listwidget.insert('end', item)
                 if self.list != None: self.list.append(item)
                 if self.editor:
-                    apply(self.editor, (item,))
+                    self.editor(*(item,))
             self.newval.set('')
 
     def editItem(self):
@@ -606,24 +611,24 @@ class ListEdit(Frame):
         if not select:
             helpwin(listboxhelp)
         else:
-            index = select[0]
-            if index and self.editor:
+            index = int(select[0])
+            if self.editor:
                 label = self.listwidget.get(index);
                 if self.editor:
-                    apply(self.editor, (label,))
+                    self.editor(*(label,))
 
     def deleteItem(self):
         select = self.listwidget.curselection()
         if not select:
             helpwin(listboxhelp)
         else:
-            index = string.atoi(select[0])
+            index = int(select[0])
             label = self.listwidget.get(index);
             self.listwidget.delete(index)
             if self.list != None:
                 del self.list[index]
             if self.deletor != None:
-                apply(self.deletor, (label,))
+                self.deletor(*(label,))
 
 def ConfirmQuit(frame, context):
     ans = Dialog(frame,