| .. | |||||
| callback.py | |||||
| callback.pyc | |||||
| cli.py | |||||
| cli.pyc | |||||
| completion-helper.py | |||||
| output.py | |||||
| output.pyc | |||||
| shell.py | |||||
| shell.pyc | |||||
| utils.py | |||||
| utils.pyc | |||||
| yumcommands.py | |||||
| yumcommands.pyc | |||||
| yummain.py | |||||
| yummain.pyc |
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#! /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
from yum.i18n import to_utf8
import __builtin__
class YumShell(cmd.Cmd):
"""A class to implement an 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 cmdloop(self, *args, **kwargs):
""" Sick hack for readline. """
oraw_input = raw_input
owriter = sys.stdout
_ostdout = owriter.stream
def _sick_hack_raw_input(prompt):
sys.stdout = _ostdout
rret = oraw_input(to_utf8(prompt))
sys.stdout = owriter
return rret
__builtin__.raw_input = _sick_hack_raw_input
try:
cret = cmd.Cmd.cmdloop(self, *args, **kwargs)
except:
__builtin__.raw_input = oraw_input
raise
__builtin__.raw_input = oraw_input
return cret
def script(self):
"""Execute a script file in the yum shell. The location of
the script file is supplied by the :class:`cli.YumBaseCli`
object that is passed as a parameter to the :class:`YumShell`
object when it is created.
"""
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):
"""Handle the next line of input if there is not a dedicated
method of :class:`YumShell` to handle it. This method will
handle yum commands that are not unique to the shell, such as
install, erase, etc.
:param line: the next line of input
"""
self.result = 0
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:
result, _ = self.base.doCommands()
self.result = result
def emptyline(self):
"""Do nothing on an empty line of input."""
pass
def completenames(self, text, line, begidx, endidx):
"""Return a list of possible completions of a command.
:param text: the command to be completed
:return: a list of possible completions of the command
"""
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):
"""Output help information.
:param arg: the command to output help information about. If
*arg* is an empty string, general help will be output.
"""
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)
self.result = 0
def do_EOF(self, line):
"""Exit the shell when EOF is reached.
:param line: unused
"""
self.do_exit(line)
return True
def do_quit(self, line):
"""Exit the shell.
:param line: unused
"""
self.do_exit(line)
return True
def do_exit(self, line):
"""Exit the shell.
:param line: unused
"""
# Make sure we don't go onto the next stage in yummain (result == 2)
if self.base.conf.shell_exit_status == '0' or self.result == 2:
self.result = 0
self.resultmsgs = ['Leaving Shell']
return True
def do_ts(self, line):
"""Handle the ts alias of the :func:`do_transaction` method.
:param line: the remainder of the line, containing the name of
a subcommand. If no subcommand is given, run the list subcommand.
"""
self.do_transaction(line)
def do_transaction(self, line):
"""Execute the given transaction subcommand. The list
subcommand outputs the contents of the transaction, the reset
subcommand clears the transaction, the solve subcommand solves
dependencies for the transaction, and the run subcommand
executes the transaction.
:param line: the remainder of the line, containing the name of
a subcommand. If no subcommand is given, run the list subcommand.
"""
self.result = 0
(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)
self.result = 1
return False
if code == 1:
for msg in msgs:
self.logger.critical('Error: %s', msg)
self.result = 1
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):
"""Configure yum shell options.
:param line: the remainder of the line, containing an option,
and then optionally a value in the form [option] [value].
Valid options are one of the following: debuglevel,
errorlevel, obsoletes, gpgcheck, assumeyes, exclude. If no
value is given, print the current value. If a value is
supplied, set the option to the given value.
"""
self.result = 0
(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)
self.result = 1
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)
self.result = 1
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):
"""Handle the repository alias of the :func:`do_repo` method.
:param line: the remainder of the line, containing the name of
a subcommand.
"""
self.do_repo(line)
def do_repo(self, line):
"""Execute the given repo subcommand. The list subcommand
lists repositories and their statuses, the enable subcommand
enables the given repository, and the disable subcommand
disables the given repository.
:param line: the remainder of the line, containing the name of
a subcommand and other parameters if required. If no
subcommand is given, run the list subcommand.
"""
self.result = 0
(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:
result, _ = self.base.doCommands()
self.result = result
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)
self.result = 1
except Errors.RepoError, e:
self.logger.critical(e)
self.result = 1
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)
self.result = 1
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)
self.result = 1
except Errors.RepoError, e:
self.logger.critical(e)
self.result = 1
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
self.result = 0
def do_run(self, line):
"""Run the transaction.
:param line: unused
"""
self.result = 0
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)
self.result = 1
return False
returnval = self.base.doTransaction()
except Errors.YumBaseError, e:
self.logger.critical('Error: %s', e)
self.result = 1
except KeyboardInterrupt, e:
self.logger.critical('\n\nExiting on user cancel')
self.result = 1
except IOError, e:
if e.errno == 32:
self.logger.critical('\n\nExiting on Broken Pipe')
self.result = 1
else:
if returnval not in [0,1,-1]:
self.verbose_logger.info('Transaction encountered a serious error.')
self.result = 1
else:
if returnval == 1:
self.verbose_logger.info('There were non-fatal errors in the transaction')
self.result = 1
elif returnval == -1:
self.verbose_logger.info("Transaction didn't start")
self.result = 1
self.verbose_logger.log(logginglevels.INFO_2,
'Finished Transaction')
self.base.closeRpmDB()
| .. | |||||
| callback.py | |||||
| callback.pyc | |||||
| cli.py | |||||
| cli.pyc | |||||
| completion-helper.py | |||||
| output.py | |||||
| output.pyc | |||||
| shell.py | |||||
| shell.pyc | |||||
| utils.py | |||||
| utils.pyc | |||||
| yumcommands.py | |||||
| yumcommands.pyc | |||||
| yummain.py | |||||
| yummain.pyc |