--- mkzopeinstance.py~        2005-03-22 16:34:45.000000000 +0000
+++ mkzopeinstance.py        2005-03-22 16:34:46.000000000 +0000
@@ -22,6 +22,7 @@
 -d/--dir  -- the dir in which the instance home should be created
 -u/--user NAME:PASSWORD -- set the user name and password of the initial user
 -s/--skelsrc -- the dir from which skeleton files should be copied
+-p/--portbase -- the port base which is added to all port numbers
 
 When run without arguments, this script will ask for the information necessary
 to create a Zope instance home.
@@ -36,8 +37,8 @@
 def main():
     try:
         opts, args = getopt.getopt(sys.argv[1:],
-            "hu:d:s:",
-            ["help", "user=", "dir=", "skelsrc="]
+            "hu:d:s:p:",
+            ["help", "user=", "dir=", "skelsrc=", "portbase="]
             )
     except getopt.GetoptError, msg:
         usage(sys.stderr, msg)
@@ -48,6 +49,7 @@
     password = None
     skeltarget = None
     skelsrc = None
+    portbase = None
 
     for opt, arg in opts:
         if opt in ("-d", "--dir"):
@@ -71,6 +73,11 @@
                 usage(sys.stderr, "user must be specified as name:password")
                 sys.exit(2)
             user, password = arg.split(":", 1)
+        if opt in ("-p", "--portbase"):
+            if not arg:
+                usage(sys.stderr, "portbase must not be empty")
+                sys.exit(2)
+            portbase = arg
 
     if not skeltarget:
         # interactively ask for skeltarget and initial user name/passwd.
@@ -80,6 +87,10 @@
             os.path.expanduser(get_skeltarget())
             )
 
+    if not portbase:
+        # interactively ask but default to 0
+        portbase = get_portbase()
+
     instancehome = skeltarget
     zopehome = os.path.dirname(os.path.dirname(script))
     softwarehome = os.path.join(zopehome, "lib", "python")
@@ -124,6 +135,7 @@
         "INSTANCE_HOME": instancehome,
         "SOFTWARE_HOME": softwarehome,
         "ZOPE_HOME": zopehome,
+        "PORT_BASE": portbase,
         }
 
      ####Mennucc: use 'zope' user in Debian
@@ -171,6 +183,15 @@
             break
     return skeltarget
 
+def get_portbase():
+    print 'Please enter the base port number. Zope will add this to any'
+    print 'ports in the configuration file. This defaults to 0.'
+    print
+    portbase = raw_input("Port base: ").strip()
+    if portbase == '':
+        return 0   
+    return portbase
+
 def get_inituser():
     import getpass
     print 'Please choose a username and password for the initial user.'