/usr/share/yum-cli/shell.py is in yum 3.4.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 | #! /usr/bin/python -tt
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2005 Duke University
"""
A shell implementation for the yum command line interface.
"""
import sys
import cmd
import shlex
import logging
from yum import Errors
from yum.constants import *
import yum.logginglevels as logginglevels
class YumShell(cmd.Cmd):
"""
Interactive yum shell.
"""
def __init__(self, base):
cmd.Cmd.__init__(self)
self.base = base
self.prompt = '> '
self.result = 0
self.identchars += '-'
self.from_file = False # if we're running from a file, set this
self.resultmsgs = ['Leaving Shell']
if (len(base.extcmds)) > 0:
self.file = base.extcmds[0]
self.shell_specific_commands = ['repo', 'repository', 'exit', 'quit',
'run', 'ts', 'transaction', 'config']
self.commandlist = self.shell_specific_commands + self.base.yum_cli_commands.keys()
self.logger = logging.getLogger("yum.cli")
self.verbose_logger = logging.getLogger("yum.verbose.cli")
# NOTE: This is shared with self.base ... so don't reassign.
self._shell_history_cmds = []
def _shell_history_add_cmds(self, cmds):
if not self.base.conf.history_record:
return
self._shell_history_cmds.append(cmds)
def _shlex_split(self, input_string):
"""split the input using shlex rules, and error or exit accordingly"""
inputs = []
if input_string is None: # apparently shlex.split() doesn't like None as its input :)
return inputs
try:
inputs = shlex.split(input_string)
except ValueError, e:
self.logger.critical('Script Error: %s', e)
if self.from_file:
raise Errors.YumBaseError, "Fatal error in script, exiting"
return inputs
def script(self):
try:
fd = open(self.file, 'r')
except IOError:
sys.exit("Error: Cannot open %s for reading" % self.file)
lines = fd.readlines()
fd.close()
self.from_file = True
for line in lines:
self.onecmd(line)
self.onecmd('EOF')
return True
def default(self, line):
if len(line) > 0 and line.strip()[0] == '#':
pass
else:
(cmd, args, line) = self.parseline(line)
if cmd not in self.commandlist:
xargs = [cmd]
self.base.plugins.run('args', args=xargs)
if xargs[0] == cmd:
self.do_help('')
return False
if cmd == 'shell':
return
self.base.cmdstring = line
self.base.cmdstring = self.base.cmdstring.replace('\n', '')
self.base.cmds = self._shlex_split(self.base.cmdstring)
self.base.plugins.run('args', args=self.base.cmds)
self._shell_history_add_cmds(self.base.cmds)
try:
self.base.parseCommands()
except Errors.YumBaseError:
pass
else:
self.base.doCommands()
def emptyline(self):
pass
def completenames(self, text, line, begidx, endidx):
ret = cmd.Cmd.completenames(self, text, line, begidx, endidx)
for command in self.base.yum_cli_commands:
if command.startswith(text) and command != "shell":
ret.append(command)
return ret
def do_help(self, arg):
msg = """
Shell specific arguments:
config - set config options
repository (or repo) - enable/disable/list repositories
transaction (or ts) - list, reset or run the transaction set
run - run the transaction set
exit or quit - exit the shell
"""
if arg in ['transaction', 'ts']:
msg = """
%s arg
list: lists the contents of the transaction
reset: reset (zero-out) the transaction
solve: run the dependency solver on the transaction
run: run the transaction
""" % arg
elif arg in ['repo', 'repository']:
msg = """
%s arg [option]
list: lists repositories and their status. option = [all] name/id glob
enable: enable repositories. option = repository id
disable: disable repositories. option = repository id
""" % arg
elif arg == 'config':
msg = """
%s arg [value]
args: debuglevel, errorlevel, obsoletes, gpgcheck, assumeyes, exclude
If no value is given it prints the current value.
If value is given it sets that value.
""" % arg
else:
self.base.shellUsage()
self.verbose_logger.info(msg)
def do_EOF(self, line):
self.resultmsgs = ['Leaving Shell']
return True
def do_quit(self, line):
self.resultmsgs = ['Leaving Shell']
return True
def do_exit(self, line):
self.resultmsgs = ['Leaving Shell']
return True
def do_ts(self, line):
self.do_transaction(line)
def do_transaction(self, line):
(cmd, args, line) = self.parseline(line)
if cmd in ['list', None]:
self.verbose_logger.log(logginglevels.INFO_2,
self.base.listTransaction())
elif cmd == 'reset':
self.base.closeRpmDB()
elif cmd == 'solve':
try:
(code, msgs) = self.base.buildTransaction()
except Errors.YumBaseError, e:
self.logger.critical('Error building transaction: %s', e)
return False
if code == 1:
for msg in msgs:
self.logger.critical('Error: %s', msg)
else:
self.verbose_logger.log(logginglevels.INFO_2,
'Success resolving dependencies')
elif cmd == 'run':
return self.do_run('')
else:
self.do_help('transaction')
def do_config(self, line):
(cmd, args, line) = self.parseline(line)
# logs
if cmd in ['debuglevel', 'errorlevel']:
opts = self._shlex_split(args)
if not opts:
self.verbose_logger.log(logginglevels.INFO_2, '%s: %s', cmd,
getattr(self.base.conf, cmd))
else:
val = opts[0]
try:
val = int(val)
except ValueError:
self.logger.critical('Value %s for %s cannot be made to an int', val, cmd)
return
setattr(self.base.conf, cmd, val)
if cmd == 'debuglevel':
logginglevels.setDebugLevel(val)
elif cmd == 'errorlevel':
logginglevels.setErrorLevel(val)
# bools
elif cmd in ['gpgcheck', 'repo_gpgcheck', 'obsoletes', 'assumeyes']:
opts = self._shlex_split(args)
if not opts:
self.verbose_logger.log(logginglevels.INFO_2, '%s: %s', cmd,
getattr(self.base.conf, cmd))
else:
value = opts[0]
if value.lower() not in BOOLEAN_STATES:
self.logger.critical('Value %s for %s is not a Boolean', value, cmd)
return False
value = BOOLEAN_STATES[value.lower()]
setattr(self.base.conf, cmd, value)
if cmd == 'obsoletes':
self.base.up = None
elif cmd in ['exclude']:
args = args.replace(',', ' ')
opts = self._shlex_split(args)
if not opts:
msg = '%s: ' % cmd
msg = msg + ' '.join(getattr(self.base.conf, cmd))
self.verbose_logger.log(logginglevels.INFO_2, msg)
return False
else:
setattr(self.base.conf, cmd, opts)
if self.base.pkgSack: # kill the pkgSack
self.base.pkgSack = None
self.base.up = None # reset the updates
# reset the transaction set, we have to or we shall surely die!
self.base.closeRpmDB()
else:
self.do_help('config')
def do_repository(self, line):
self.do_repo(line)
def do_repo(self, line):
(cmd, args, line) = self.parseline(line)
if cmd in ['list', None]:
# Munge things to run the repolist command
cmds = self._shlex_split(args)
if not cmds:
cmds = ['enabled']
cmds.insert(0, 'repolist')
self.base.cmds = cmds
self._shell_history_add_cmds(self.base.cmds)
try:
self.base.parseCommands()
except Errors.YumBaseError:
pass
else:
self.base.doCommands()
elif cmd == 'enable':
repos = self._shlex_split(args)
for repo in repos:
try:
# Setup the sacks/repos, we need this because we are about
# to setup the enabled one. And having some setup is bad.
self.base.pkgSack
changed = self.base.repos.enableRepo(repo)
except Errors.ConfigError, e:
self.logger.critical(e)
except Errors.RepoError, e:
self.logger.critical(e)
else:
for repo in changed:
try:
self.base.doRepoSetup(thisrepo=repo)
except Errors.RepoError, e:
self.logger.critical('Disabling Repository')
self.base.repos.disableRepo(repo)
return False
self.base.up = None
elif cmd == 'disable':
repos = self._shlex_split(args)
for repo in repos:
try:
offrepos = self.base.repos.disableRepo(repo)
except Errors.ConfigError, e:
self.logger.critical(e)
except Errors.RepoError, e:
self.logger.critical(e)
else:
# close the repos, too
for repoid in offrepos:
thisrepo = self.base.repos.repos[repoid]
thisrepo.close() # kill the pkgSack
# rebuild the indexes to be sure we cleaned up
self.base.pkgSack.buildIndexes()
else:
self.do_help('repo')
def do_test(self, line):
(cmd, args, line) = self.parseline(line)
print cmd
print args
print line
def do_run(self, line):
if len(self.base.tsInfo) > 0:
try:
(code, msgs) = self.base.buildTransaction()
if code == 1:
for msg in msgs:
self.logger.critical('Error: %s', msg)
return False
returnval = self.base.doTransaction()
except Errors.YumBaseError, e:
self.logger.critical('Error: %s', e)
except KeyboardInterrupt, e:
self.logger.critical('\n\nExiting on user cancel')
except IOError, e:
if e.errno == 32:
self.logger.critical('\n\nExiting on Broken Pipe')
else:
if returnval not in [0,1,-1]:
self.verbose_logger.info('Transaction encountered a serious error.')
else:
if returnval == 1:
self.verbose_logger.info('There were non-fatal errors in the transaction')
elif returnval == -1:
self.verbose_logger.info("Transaction didn't start")
self.verbose_logger.log(logginglevels.INFO_2,
'Finished Transaction')
self.base.closeRpmDB()
|