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| author |   Andreas J. Reichel <andreas.reichel@tngtech.com> | 2017-04-21 14:11:42 +0200 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2017-05-21 12:32:01 +0100 |
| commit | 4fe9635c72a6ee1becc47d832ab54724176ee811 (patch) | |
| tree | 87677da0ff9ca16f7014bac51ed032cd5dd8d64f /scripts/lib/wic/help.py | |
| parent | ee55b5685aaa4be92d6d51f8641a559d4e34ce64 (diff) | |
| download | openembedded-core-contrib-4fe9635c72a6ee1becc47d832ab54724176ee811.tar.gz | |
wic: Use argparse instead of optparse
* optparse is deprecated and will not be developed further
(see: https://docs.python.org/2/library/optparse.html)
* argparse supports subcommands, which simplifies definition of
arguments and options
* reimplement help mechanism through sub-subcommands
[YOCTO #9636]
Signed-off-by: Andreas Reichel <andreas.reichel.ext@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'scripts/lib/wic/help.py')
| -rw-r--r-- | scripts/lib/wic/help.py | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py index d6e027d253..74db05cb94 100644 --- a/scripts/lib/wic/help.py +++ b/scripts/lib/wic/help.py @@ -56,7 +56,7 @@ def wic_help(args, usage_str, subcommands): """ Subcommand help dispatcher. """ - if len(args) == 1 or not display_help(args[1], subcommands): + if args.help_topic == None or not display_help(args.help_topic, subcommands): print(usage_str) @@ -82,19 +82,20 @@ def invoke_subcommand(args, parser, main_command_usage, subcommands): Dispatch to subcommand handler borrowed from combo-layer. Should use argparse, but has to work in 2.6. """ - if not args: + if not args.command: logger.error("No subcommand specified, exiting") parser.print_help() return 1 - elif args[0] == "help": + elif args.command == "help": wic_help(args, main_command_usage, subcommands) - elif args[0] not in subcommands: - logger.error("Unsupported subcommand %s, exiting\n", args[0]) + elif args.command not in subcommands: + logger.error("Unsupported subcommand %s, exiting\n", args.command) parser.print_help() return 1 else: - usage = subcommands.get(args[0], subcommand_error)[1] - subcommands.get(args[0], subcommand_error)[0](args[1:], usage) + subcmd = subcommands.get(args.command, subcommand_error) + usage = subcmd[1] + subcmd[0](args, usage) ## @@ -795,3 +796,11 @@ DESCRIPTION .wks files. """ + +wic_help_help = """ +NAME + wic help - display a help topic + +DESCRIPTION + Specify a help topic to display it. Topics are shown above. +""" |