def _help_commands_to_text(topic):
"""Generate the help text for the list of commands"""
out = []
if topic == 'hidden-commands':
hidden = True
else:
hidden = False
names = list(_mod_commands.all_command_names())
commands = ((n, _mod_commands.get_cmd_object(n)) for n in names)
shown_commands = [(n, o) for n, o in commands if o.hidden == hidden]
max_name = max(len(n) for n, o in shown_commands)
indent = ' ' * (max_name + 1)
width = osutils.terminal_width()
if width is None:
width = osutils.default_terminal_width
# we need one extra space for terminals that wrap on last char
width = width - 1
for cmd_name, cmd_object in sorted(shown_commands):
plugin_name = cmd_object.plugin_name()
if plugin_name is None:
plugin_name = ''
else:
plugin_name = ' [%s]' % plugin_name
cmd_help = cmd_object.help()
if cmd_help:
firstline = cmd_help.split('\n', 1)[0]
else:
firstline = ''
helpstring = '%-*s %s%s' % (max_name, cmd_name, firstline, plugin_name)
lines = utextwrap.wrap(
helpstring, subsequent_indent=indent,
width=width,
break_long_words=False)
for line in lines:
out.append(line + '\n')
return ''.join(out)
def test_wrap(self):
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 1))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 2))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 3))
self.assertEqual(list(_str_D),
utextwrap.wrap(_str_D, 3, break_long_words=False))
def test_wrap(self):
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 1))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 2))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 3))
self.assertEqual(list(_str_D),
utextwrap.wrap(_str_D, 3, break_long_words=False))
