[Gluster-devel] gex-option-parser-patch

[Harshavardhana Ranganath]

gex now uses OptionParser module for command line arguments.

Regards
Harshavardhana
-------------- next part --------------
? gex-option-parser-1.diff
? gex-option-parser.diff
? extensions/core/Gluster/GArgs.pyc
? extensions/core/Gluster/GConf.pyc
? extensions/core/Gluster/GPackage.pyc
? extensions/core/Gluster/GRegistry.pyc
? extensions/core/Gluster/__init__.pyc
? extensions/core/Gluster/gmap.pyc
? extensions/core/Gluster/GFrontEnd/UI.pyc
? extensions/core/Gluster/GFrontEnd/__init__.pyc
? extensions/core/Gluster/GFrontEnd/dialog.pyc
? extensions/core/Gluster/GTmp/Dir.pyc
? extensions/core/Gluster/GTmp/__init__.pyc
? stage2/skel-master/etc/rc.d/rc.halt
? stage2/skel-slave/etc/rc.d/rc.halt
? stage3/e2fsprogs.mk
? stage3/jfsutils.mk
? stage3/reiserfsprogs.mk
? stage3/xfsprogs.mk
Index: extensions/core/bin/gex
===================================================================
RCS file: /cvsroot/gluster/gluster-alpha1/extensions/core/bin/gex,v
retrieving revision 1.3
diff -p -u -r1.3 gex
--- extensions/core/bin/gex	21 Feb 2006 12:48:13 -0000	1.3
+++ extensions/core/bin/gex	22 Feb 2006 07:00:18 -0000
@@ -1,12 +1,14 @@
 #!/usr/bin/python
 
-from Gluster import GPackage, GArgs;
 from Gluster.GTmp import Dir;
 from Gluster.GFrontEnd import dialog;
 import os, tarfile, sys;
+from optparse import OptionParser;
 
 dlg = dialog.Dialog ();
 
+arg_given = False
+
 def file_to_dict (filename):
     _dict = {};
     for line in open (filename).readlines ():
@@ -24,6 +26,8 @@ def file_to_dict (filename):
     return _dict;
 
 def GpkgInstall (option, opt_str, value, parser):
+    global arg_given
+    arg_given = True
     if not os.access (value, os.R_OK):
         print value + ": cant read";
         return
@@ -58,6 +62,8 @@ def GpkgInstall (option, opt_str, value,
     return ;
 
 def GpkgDetails (option, opt_str, value, parser):
+    global arg_given
+    arg_given  = True
     contents = file_to_dict (value);
     if 'package-name' in contents.keys ():
         print "Name       : " + contents['package-name'];
@@ -68,42 +74,27 @@ def GpkgDetails (option, opt_str, value,
     return ;
 
 def GpkgListApps (option, opt_str, value, parser):
+    global arg_given
+    arg_given = True
     _arr = [];
     os.system ("grep -Hi '^ *application-register *:' /stage3/*.gex | cut -f1,3- -d:")
     return
 
-_args = [
-    { 'keys' : [ '--install' ],
-      'dest' : 'GEXFILE',
-      'callback' : GpkgInstall,
-      'help' : 'Install a gex',
-      'type' : 'string',
-      'default' : None,
-      'nargs' : 1
-      },
-    { 'keys' : [ '--details' ],
-      'dest' : 'PKG',
-      'callback' : GpkgDetails,
-      'help' : 'Details of PKG',
-      'type' : 'string',
-      'default' : None,
-      'nargs' : 1
-      },
-    { 'keys' : [ '--list-apps' ],
-      'dest' : 'LOADPKG',
-      'callback' : GpkgListApps,
-      'help' : 'Load a gex',
-      'type' : 'string',
-      'default' : None,
-      'nargs' : 0
-      }
-    ];
-      
-
 def main ():
-    gargp = GArgs.GArgp ();
-    gargp.AddOpt (_args);
-    gargp.Process ();
+    parser = OptionParser ()
+    parser.add_option ( "-i", "--install", action="callback",
+                        callback=GpkgInstall, type="string",
+                        help="installs the GEXFILE", metavar="GEXFILE",
+                        nargs=1 )
+    parser.add_option ( "-d", "--details", action="callback",
+                        callback=GpkgDetails, type="string",
+                        help="print details about GEXFILE", metavar="GEXFILE",
+                        nargs=1 )
+    parser.add_option ( "-l", "--list-apps", action="callback",
+                        callback=GpkgListApps, help="list all applications",
+                        nargs=0 )
+    (options, args) = parser.parse_args ()
+    if not arg_given:
+        parser.print_help ()
     return
-
 main ();