Added -P option to make it easier to run a development environment

with orther developers without bumping into each others ports.

z2.py

@@ -135,6 +135,13 @@ Options:
     or some other user with limited resouces. The only works under Unix, and
     if ZServer is started by root. The default is: %(UID)s
 
+  -P number
+
+    Set the web, ftp and monitor port numbers simultaneously
+    as offsets from the number.  The web port number will be number+80.
+    The FTP port number will be number+21.  The monitoe port number will
+    be number+99.
+    
   -w port
   
     The Web server (HTTP) port.  This defaults to %(HTTP_PORT)s. The
@@ -247,7 +254,7 @@ try:
     if string.split(sys.version)[0] < '1.5.2':
         raise 'Invalid python version', string.split(sys.version)[0]
     
-    opts, args = getopt.getopt(sys.argv[1:], 'hz:Z:t:a:d:u:w:f:p:m:l:2D')
+    opts, args = getopt.getopt(sys.argv[1:], 'hz:Z:t:a:d:u:w:f:p:m:l:2DP:')
 
     # Get environment variables
     for a in args:
@@ -293,6 +300,15 @@ try:
                     if v < 1: raise 'Invalid port', v
                 except: raise 'Invalid port', v
             FTP_PORT=v
+        elif o=='-P':
+            if v:
+                try:
+                    v=string.atoi(v)
+                    if v < 1: raise 'Invalid port', v
+                except: raise 'Invalid port', v
+            FTP_PORT=v+21
+            HTTP_PORT=v+80
+            MONITOR_PORT=v+99
         elif o=='-p': PCGI_FILE=v
         elif o=='-h':
             print __doc__ % vars()