Reorder subparsers as the same order of their function

bin/is

@@ -149,7 +149,7 @@ def c_list(parser, args):
     # list direct image or reposity content
     elif len(args.list_args) == 1:
         # list image file content
-        if (istools.pathtype(args.list_args[0]) == 'file' and
+        if (istools.pathtype(args.list_args[0]) == "file" and
             os.path.isfile(args.list_args[0])):
             pkg = PackageImage(args.list_args[0])
             arrow("Image %s v%s" % (pkg.name, pkg.version))
@@ -255,9 +255,9 @@ p_main.add_argument("-V", "--version", action="version",
                     help="show installsystems version")
 # exclusive group on debug/quiet
 ex_group = p_main.add_mutually_exclusive_group()
-ex_group.add_argument('-d', "--debug", action="store_true",
+ex_group.add_argument("-d", "--debug", action="store_true",
                       help="active debug mode")
-ex_group.add_argument('-q', "--quiet", action="store_true",
+ex_group.add_argument("-q", "--quiet", action="store_true",
                       help="active quiet mode")
 # common options
 p_main.add_argument("-c", "--config", default="installsystems",
@@ -285,9 +285,9 @@ p_new.set_defaults(func=c_new)
 
 # build command parser
 p_build = subparsers.add_parser("build", help=c_build.__doc__.lower())
-p_build.add_argument('-f', "--force", action="store_true", default=False,
+p_build.add_argument("-f", "--force", action="store_true", default=False,
                      help="overwrite existing image")
-p_build.add_argument('-c', "--no-check", action="store_true", default=False,
+p_build.add_argument("-c", "--no-check", action="store_true", default=False,
                      help="do not check compilation before adding scripts")
 p_build.add_argument("path", nargs="?", default=".")
 p_build.set_defaults(func=c_build)
@@ -300,7 +300,7 @@ p_init.set_defaults(func=c_init)
 
 # add command parser
 p_add =  subparsers.add_parser("add", help=c_add.__doc__.lower())
-p_add.add_argument('-p', "--preserve", action="store_true", default=False,
+p_add.add_argument("-p", "--preserve", action="store_true", default=False,
                    help="don't remove image after adding to database")
 p_add.add_argument("path", nargs="+")
 p_add.set_defaults(func=c_add)
@@ -314,47 +314,47 @@ p_del.set_defaults(func=c_del)
 # install command parser
 p_install = subparsers.add_parser("install", add_help=False,
                                   help=c_install.__doc__.lower())
-p_install.add_argument('-f', "--force", action="store_true", default=False,
+p_install.add_argument("-f", "--force", action="store_true", default=False,
                        help="overwrite existing image")
 p_install.add_argument("-v", "--image-version", type=int, default=None,
                        help="image version")
 p_install.add_argument("image", help="image to install (path or name)")
 p_install.set_defaults(func=c_install, subparser=p_install)
 
+# list command parser
+p_list = subparsers.add_parser("list", help=c_list.__doc__.lower())
+p_list.add_argument("-l", action="store_true", dest="detail",
+                    default=False, help="detailled list output")
+p_list.add_argument("list_args", nargs="*", help="list content of image or repositories")
+p_list.set_defaults(func=c_list, subparser=p_list)
+
 # update command parser
 p_update = subparsers.add_parser("update", help=c_update.__doc__.lower())
-p_update.add_argument('-f', "--force", action="store_true", default=False,
-                     help="overwrite existing image")
-p_update.add_argument('-c', "--no-check", action="store_true", default=False,
-                     help="do not check compilation before adding scripts")
-p_update.add_argument('-p', "--preserve", action="store_true", default=False,
-                   help="don't remove image after adding to database")
+p_update.add_argument("-f", "--force", action="store_true", default=False,
+                      help="overwrite existing image")
+p_update.add_argument("-c", "--no-check", action="store_true", default=False,
+                      help="do not check compilation before adding scripts")
+p_update.add_argument("-p", "--preserve", action="store_true", default=False,
+                      help="don't remove image after adding to database")
 p_update.add_argument("path", nargs="?", default=".")
 p_update.set_defaults(func=c_update)
 
 # cat command parser
 p_cat = subparsers.add_parser("cat", help=c_cat.__doc__.lower())
 p_cat.add_argument("-v", "--image-version", type=int, default=None,
-                       help="image version")
+                   help="image version")
 p_cat.add_argument("image", help="image (path or name)")
-p_cat.add_argument("files", nargs='+', help="files to cat")
+p_cat.add_argument("files", nargs="+", help="files to cat")
 p_cat.set_defaults(func=c_cat)
 
-# get command parser
-p_get = subparsers.add_parser("get", help=c_get.__doc__.lower())
-p_get.set_defaults(func=c_get)
-
-# list command parser
-p_list = subparsers.add_parser("list", help=c_list.__doc__.lower())
-p_list.add_argument("-l", action="store_true", dest='detail',
-                    default=False, help='detailled list output')
-p_list.add_argument("list_args", nargs="*", help="list content of image or repositories")
-p_list.set_defaults(func=c_list, subparser=p_list)
-
 # search command parser
 p_search = subparsers.add_parser("search", help=c_search.__doc__.lower())
 p_search.set_defaults(func=c_search)
 
+# get command parser
+p_get = subparsers.add_parser("get", help=c_get.__doc__.lower())
+p_get.set_defaults(func=c_get)
+
 # clean command parser
 p_clean = subparsers.add_parser("clean", help=c_clean.__doc__.lower())
 p_clean.set_defaults(func=c_clean)