Imported from SVN by Bitbucket

PasteScript-1.7.4.2-py2.6.egg/paste/script/help.py

@@ -0,0 +1,60 @@
+# (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org)
+# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
+from command import Command, get_commands
+from command import parser as base_parser
+
+class HelpCommand(Command):
+
+    summary = "Display help"
+    usage = '[COMMAND]'
+
+    max_args = 1
+
+    parser = Command.standard_parser()
+
+    def command(self):
+        if not self.args:
+            self.generic_help()
+            return
+
+        name = self.args[0]
+        commands = get_commands()
+        if name not in commands:
+            print 'No such command: %s' % name
+            self.generic_help()
+            return
+
+        command = commands[name].load()
+        runner = command(name)
+        runner.run(['-h'])
+        
+    def generic_help(self):
+        base_parser.print_help()
+        print
+        commands_grouped = {}
+        commands = get_commands()
+        longest = max([len(n) for n in commands.keys()])
+        for name, command in commands.items():
+            try:
+                command = command.load()
+            except Exception, e:
+                print 'Cannot load command %s: %s' % (name, e)
+                continue
+            if getattr(command, 'hidden', False):
+                continue
+            commands_grouped.setdefault(
+                command.group_name, []).append((name, command))
+        commands_grouped = commands_grouped.items()
+        commands_grouped.sort()
+        print 'Commands:'
+        for group, commands in commands_grouped:
+            if group:
+                print group + ':'
+            commands.sort()
+            for name, command in commands:
+                print '  %s  %s' % (self.pad(name, length=longest),
+                                    command.summary)
+                #if command.description:
+                #    print self.indent_block(command.description, 4)
+            print
+