def expand(*cmds):
for command in cmds:
parts = Split.split_words(command)
name = parts.pop(0)
alias = aliases.get_prefix(command)
if alias:
cmd, alias_commands = alias
if (cmd == command
or name != Registry.registry().entry(name).name):
assert cmd not in stack
stack.add(cmd)
expand(*alias_commands)
stack.remove(cmd)
continue
result.append([Registry.registry().function(name), parts])
def _help(_, *parts):
if not parts:
LOGGER.info(HELP, Registry.registry().join_keys(command_only=False))
else:
cmd, parts = parts[0], parts[1:]
if not parts:
help_text = Registry.registry().get_help(cmd)
LOGGER.info(help_text or ('No help text available for "%s"' % cmd))
elif cmd == 'show':
sub = parts[0]
help_text = Show.SHOW_REGISTRY.get_help(sub)
LOGGER.info('\nshow %s:', sub)
LOGGER.info(help_text
or ('No help text available for "show %s"' % sub))
else:
raise Exception("Command '%s' doesn't take any arguments.")
def usage():
result = ['Valid commands are:', Registry.registry().join_keys()]
aliases = Aliases.instance()
if aliases:
result.append('\nand aliases are:')
result.append(Join.join_words(aliases))
return ' '.join(result)
from echomesh.command import Help
# pylint: enable=W0611
# TODO: use the late loading from echomesh.element
from echomesh.util import Log
from echomesh.util.string import FindComment
from echomesh.util.string import Split
LOGGER = Log.logger(__name__)
COMMENT_HELP = """
Comment lines start with a # - everything after that is ignored.
"""
Registry.registry().register(lambda e: None, '#', COMMENT_HELP)
Registry.registry().register(None, 'sample', 'This is a sample with just help')
def _fix_exception_message(m, name):
loc = m.find(')')
if loc >= 0:
m = m[loc + 1:]
m = (m.replace('1', '0').replace('2', '1').replace('3', '2').replace(
'4', '3').replace('1 arguments', '1 argument'))
return name + m
def usage():
result = ['Valid commands are:', Registry.registry().join_keys()]
aliases = Aliases.instance()
parts = i.split('.')
try:
value = Settings.get(*parts)
except:
failures.append(i)
else:
successes.append([i, value])
else:
assignments = Settings.assignments().items()
successes = [('.'.join(s), v) for s, v in assignments]
if successes or failures:
for value, result in successes:
LOGGER.info('%s=%s', value, result)
if failures:
LOGGER.error('Didn\'t understand %s', Join.join_words(failures))
LOGGER.info('')
else:
LOGGER.info('No settings variables have been set.\n')
GET_HELP = """
Prints one or more settings variables.
Examples:
settings.get speed
settings.get audio.input.enabled audio.output.enabled
"""
Registry.registry().register(get_settings, 'get', GET_HELP)
from echomesh.command import Registry
from echomesh.util import Log
LOGGER = Log.logger(__name__)
def set_settings(_, *values):
if values:
assignment = Leafs.leafs(Settings.assign(values))
for address, value in six.iteritems(assignment):
LOGGER.info('Set %s=%s', '.'.join(address), value)
Settings.update_clients()
elif Settings.MERGE_SETTINGS.has_changes():
LOGGER.info(
Yaml.encode_one(dict(Settings.MERGE_SETTINGS.get_changes())))
else:
LOGGER.info('You have made no changes.')
SET_HELP = """
Sets one or more settings variables. These changes are only present in
memory and will be lost when the program ends - you need to use settings save
to make them permanent.
Examples:
set speed=50%
set speed=10% light.period=40ms
"""
Registry.registry().register(set_settings, 'set', SET_HELP)
def _register():
for cmd, help_text, see_also in COMMANDS:
name = cmd.__name__.strip('_')
Registry.registry().register(_local(cmd, name), name, help_text,
see_also)
RemoteRegistry.register(_remote(cmd), name)
elif cmd == 'show':
sub = parts[0]
help_text = Show.SHOW_REGISTRY.get_help(sub)
LOGGER.info('\nshow %s:', sub)
LOGGER.info(help_text
or ('No help text available for "show %s"' % sub))
else:
raise Exception("Command '%s' doesn't take any arguments.")
HELP_HELP = """
"help" gives you information about how echomesh commands work.
You can use "?" as a shortcut.
For example, type "help shutdown" or "? quit" to get information about
these commands.
You can also use unambiguous abbreviations like "he shut" or "? q".
For a list of topics, type "help".
For a list of commands, type "help commands".
"""
COMMANDS_HELP = """
Echomesh has the following commands:
"""
Registry.registry().register(None, 'commands', COMMANDS_HELP, ['help'])
Registry.registry().register(_help, 'help', HELP_HELP)