Changeset 283

Timestamp:

24-06-07 21:52:23 (6 years ago)

Author:

thomas

Message:

• command.py: Add help command. Fixes #240.

Location:

trunk/moap/extern/command

Files:

• ChangeLog (added)
• command.py (modified) (2 diffs)

trunk/moap/extern/command/command.py

@@ -183 +183 @@
             return ret
 
+        # handle pleas for help
+        if args and args[0] == 'help':
+            self.debug('Asked for help, args %r' % args)
+            
+            # give help on current command if only 'help' is passed
+            if len(args) == 1:
+                self.outputHelp()
+                return 0
+
+            # complain if we were asked for help on a subcommand, but we don't
+            # have any
+            if not self.subCommands:
+                self.stderr.write('No subcommands defined.')
+                self.parser.print_usage(file=self.stderr)
+                self.stderr.write(
+                    "Use --help to get more information about this command.\n")
+                return 1
+
+            # rewrite the args the other way around;
+            # help doap becomes doap help so it gets deferred to the doap
+            # command
+            args = [args[1], args[0]]
+
         # if we don't have subcommands, defer to our do() method
         if not self.subCommands:
@@ -206 +229 @@
         return 1
 
+    def outputHelp(self):
+        """
+        Output help information.
+        """
+        self.parser.print_help(file=self.stderr)
+
     def outputUsage(self):
         """