/usr/lib/python3/dist-packages/cliff/complete.py is in python3-cliff 1.15.0-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | """Bash completion for the CLI.
"""
import logging
import six
import stevedore
from cliff import command
class CompleteDictionary:
"""dictionary for bash completion
"""
def __init__(self):
self._dictionary = {}
def add_command(self, command, actions):
optstr = ' '.join(opt for action in actions
for opt in action.option_strings)
dicto = self._dictionary
for subcmd in command[:-1]:
dicto = dicto.setdefault(subcmd, {})
dicto[command[-1]] = optstr
def get_commands(self):
return ' '.join(k for k in sorted(self._dictionary.keys()))
def _get_data_recurse(self, dictionary, path):
ray = []
keys = sorted(dictionary.keys())
for cmd in keys:
name = path + "_" + cmd if path else cmd
value = dictionary[cmd]
if isinstance(value, six.string_types):
ray.append((name, value))
else:
cmdlist = ' '.join(sorted(value.keys()))
ray.append((name, cmdlist))
ray += self._get_data_recurse(value, name)
return ray
def get_data(self):
return sorted(self._get_data_recurse(self._dictionary, ""))
class CompleteShellBase(object):
"""base class for bash completion generation
"""
def __init__(self, name, output):
self.name = str(name)
self.output = output
def write(self, cmdo, data):
self.output.write(self.get_header())
self.output.write(" cmds='{0}'\n".format(cmdo))
for datum in data:
self.output.write(' cmds_{0}=\'{1}\'\n'.format(*datum))
self.output.write(self.get_trailer())
class CompleteNoCode(CompleteShellBase):
"""completion with no code
"""
def __init__(self, name, output):
super(CompleteNoCode, self).__init__(name, output)
def get_header(self):
return ''
def get_trailer(self):
return ''
class CompleteBash(CompleteShellBase):
"""completion for bash
"""
def __init__(self, name, output):
super(CompleteBash, self).__init__(name, output)
def get_header(self):
return ('_' + self.name + """()
{
local cur prev words
COMPREPLY=()
_get_comp_words_by_ref -n : cur prev words
# Command data:
""")
def get_trailer(self):
return ("""
cmd=""
words[0]=""
completed="${cmds}"
for var in "${words[@]:1}"
do
if [[ ${var} == -* ]] ; then
break
fi
if [ -z "${cmd}" ] ; then
proposed="${var}"
else
proposed="${cmd}_${var}"
fi
local i="cmds_${proposed}"
local comp="${!i}"
if [ -z "${comp}" ] ; then
break
fi
if [[ ${comp} == -* ]] ; then
if [[ ${cur} != -* ]] ; then
completed=""
break
fi
fi
cmd="${proposed}"
completed="${comp}"
done
if [ -z "${completed}" ] ; then
COMPREPLY=( $( compgen -f -- "$cur" ) $( compgen -d -- "$cur" ) )
else
COMPREPLY=( $(compgen -W "${completed}" -- ${cur}) )
fi
return 0
}
complete -F _""" + self.name + ' ' + self.name + '\n')
class CompleteCommand(command.Command):
"""print bash completion command
"""
log = logging.getLogger(__name__ + '.CompleteCommand')
def __init__(self, app, app_args):
super(CompleteCommand, self).__init__(app, app_args)
self._formatters = stevedore.ExtensionManager(
namespace='cliff.formatter.completion',
)
def get_parser(self, prog_name):
parser = super(CompleteCommand, self).get_parser(prog_name)
parser.add_argument(
"--name",
default=None,
metavar='<command_name>',
help="Command name to support with command completion"
)
parser.add_argument(
"--shell",
default='bash',
metavar='<shell>',
choices=sorted(self._formatters.names()),
help="Shell being used. Use none for data only (default: bash)"
)
return parser
def get_actions(self, command):
the_cmd = self.app.command_manager.find_command(command)
cmd_factory, cmd_name, search_args = the_cmd
cmd = cmd_factory(self.app, search_args)
if self.app.interactive_mode:
full_name = (cmd_name)
else:
full_name = (' '.join([self.app.NAME, cmd_name]))
cmd_parser = cmd.get_parser(full_name)
return cmd_parser._get_optional_actions()
def take_action(self, parsed_args):
self.log.debug('take_action(%s)' % parsed_args)
name = parsed_args.name or self.app.NAME
try:
shell_factory = self._formatters[parsed_args.shell].plugin
except KeyError:
raise RuntimeError('Unknown shell syntax %r' % parsed_args.shell)
shell = shell_factory(name, self.app.stdout)
dicto = CompleteDictionary()
for cmd in self.app.command_manager:
command = cmd[0].split()
dicto.add_command(command, self.get_actions(command))
shell.write(dicto.get_commands(), dicto.get_data())
return 0
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