1 files changed, 71 insertions, 0 deletions
diff --git a/deluge/ui/console/cmdline/commands/help.py b/deluge/ui/console/cmdline/commands/help.py
new file mode 100644
index 0000000..754dadb
--- /dev/null
+++ b/deluge/ui/console/cmdline/commands/help.py
@@ -0,0 +1,71 @@
+#
+# Copyright (C) 2008-2009 Ido Abramovich <ido.deluge@gmail.com>
+# Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+import logging
+
+from twisted.internet import defer
+
+import deluge.component as component
+
+from . import BaseCommand
+
+log = logging.getLogger(__name__)
+
+
+class Command(BaseCommand):
+    """Displays help on other commands"""
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            'commands', metavar='<command>', nargs='*', help=_('One or more commands')
+        )
+
+    def handle(self, options):
+        self.console = component.get('ConsoleUI')
+        self._commands = self.console._commands
+        deferred = defer.succeed(True)
+        if options.commands:
+            for arg in options.commands:
+                try:
+                    cmd = self._commands[arg]
+                except KeyError:
+                    self.console.write('{!error!}Unknown command %s' % arg)
+                    continue
+                try:
+                    parser = cmd.create_parser()
+                    self.console.write(parser.format_help())
+                except AttributeError:
+                    self.console.write(cmd.__doc__ or 'No help for this command')
+                self.console.write(' ')
+        else:
+            self.console.set_batch_write(True)
+            cmds_doc = ''
+            for cmd in sorted(self._commands):
+                if cmd in self._commands[cmd].aliases:
+                    continue
+                parser = self._commands[cmd].create_parser()
+                cmd_doc = (
+                    '{!info!}'
+                    + '%-9s' % self._commands[cmd].name_with_alias
+                    + '{!input!} - '
+                    + self._commands[cmd].__doc__
+                    + '\n     '
+                    + parser.format_usage()
+                    or ''
+                )
+                cmds_doc += parser.formatter.format_colors(cmd_doc)
+            self.console.write(cmds_doc)
+            self.console.write(' ')
+            self.console.write('For help on a specific command, use `<command> --help`')
+            self.console.set_batch_write(False)
+
+        return deferred
+
+    def complete(self, line):
+        return [x for x in component.get('ConsoleUI')._commands if x.startswith(line)]