Changeset 8a3acad for python

Timestamp:

Sep 14, 2017, 1:36:08 PM (7 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master

Children:

5db398e

Parents:

70762c5

Message:

python/lib/aubio/cmd.py: add help subcommand

File:

• python/lib/aubio/cmd.py (modified) (3 diffs)

python/lib/aubio/cmd.py

@@ -22 +22 @@
     subparsers = parser.add_subparsers(title='commands', dest='command',
             metavar="")
+
+    parser_add_subcommand_help(subparsers)
 
     parser_add_subcommand_onset(subparsers)
@@ -33 +35 @@
 
     return parser
+
+def parser_add_subcommand_help(subparsers):
+    # global help subcommand
+    subparsers.add_parser('help',
+            help='show help message',
+            formatter_class = argparse.ArgumentDefaultsHelpFormatter)
 
 def parser_add_subcommand_onset(subparsers):
@@ -437 +445 @@
     elif 'verbose' in args and args.verbose > 3:
         sys.stderr.write('aubio version ' + aubio.version + '\n')
-    if 'command' not in args or args.command is None:
+    if 'command' not in args or args.command is None or args.command in ['help']:
         # no command given, print help and return 1
         parser.print_help()
-        sys.exit(1)
+        if args.command and args.command in ['help']:
+            sys.exit(0)
+        else:
+            sys.exit(1)
     elif not args.source_uri and not args.source_uri2:
         sys.stderr.write("Error: a source is required\n")