

<div style='background:#ffffff; color:#000; font-family:monospace; padding:0; max-width:900px; margin:20px auto; border:3px solid #000;'><div style='background:#000080; color:#fff; padding:6px 12px; font-weight:bold;'>✏ 编辑: yum-complete-transaction</div><div style='padding:20px;'><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#fff; color:#000; border:2px solid #000; font-family:monospace; padding:10px;'>#!/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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import sys
sys.path.insert(0,'/usr/share/yum-cli')

import yum
from yum.misc import setup_locale

from utils import YumUtilBase

import logging
import os
import os.path

try:
    from yum.misc import find_unfinished_transactions, find_ts_remaining
except ImportError:

    import glob

    def find_unfinished_transactions(yumlibpath='/var/lib/yum'):
        &quot;&quot;&quot;returns a list of the timestamps from the filenames of the unfinished
           transactions remaining in the yumlibpath specified.
        &quot;&quot;&quot;
        timestamps = []
        tsallg = '%s/%s' % (yumlibpath, 'transaction-all*')
        #tsdoneg = '%s/%s' % (yumlibpath, 'transaction-done*') # not used remove ?
        tsalls = glob.glob(tsallg)
        #tsdones = glob.glob(tsdoneg) # not used remove ?

        for fn in tsalls:
            trans = os.path.basename(fn)
            timestamp = trans.replace('transaction-all.','')
            timestamps.append(timestamp)

        timestamps.sort()
        return timestamps

    def find_ts_remaining(timestamp, yumlibpath='/var/lib/yum'):
        &quot;&quot;&quot;this function takes the timestamp of the transaction to look at and
           the path to the yum lib dir (defaults to /var/lib/yum)
           returns a list of tuples(action, pkgspec) for the unfinished transaction
           elements. Returns an empty list if none.

        &quot;&quot;&quot;

        to_complete_items = []
        tsallpath = '%s/%s.%s' % (yumlibpath, 'transaction-all', timestamp)
        tsdonepath = '%s/%s.%s' % (yumlibpath,'transaction-done', timestamp)
        tsdone_items = []

        if not os.path.exists(tsallpath):
            # something is wrong, here, probably need to raise _something_
            return to_complete_items


        if os.path.exists(tsdonepath):
            tsdone_fo = open(tsdonepath, 'r')
            tsdone_items = tsdone_fo.readlines()
            tsdone_fo.close()

        tsall_fo = open(tsallpath, 'r')
        tsall_items = tsall_fo.readlines()
        tsall_fo.close()

        for item in tsdone_items:
            # this probably shouldn't happen but it's worth catching anyway
            if item not in tsall_items:
                continue
            tsall_items.remove(item)

        for item in tsall_items:
            item = item.replace('\n', '')
            if item == '':
                continue
            (action, pkgspec) = item.split()
            to_complete_items.append((action, pkgspec))

        return to_complete_items

class YumCompleteTransaction(YumUtilBase):
    NAME = 'yum-complete-transaction'
    VERSION = '1.0'
    USAGE = &quot;&quot;&quot;
    yum-complete-transaction: completes unfinished yum transactions which occur due to error, failure
                              or act of $deity

    usage: yum-complete-transaction
    &quot;&quot;&quot;

    def __init__(self):
        YumUtilBase.__init__(self,
                             YumCompleteTransaction.NAME,
                             YumCompleteTransaction.VERSION,
                             YumCompleteTransaction.USAGE)
        self.logger = logging.getLogger(&quot;yum.verbose.cli.yumcompletets&quot;)
        # Add util commandline options to the yum-cli ones
        self.optparser = self.getOptionParser()
        if hasattr(self, 'getOptionGroup'):
            self.optparser_grp = self.getOptionGroup()
        else:
            self.optparser_grp = self.optparser
        self.addCmdOptions()
        try: self.main()
        finally: self.unlock()

    def clean_up_ts_files(self, timestamp, path, disable=False):

        # clean up the transactions
        tsdone = '%s/transaction-done.%s' % (path, timestamp)
        tsall = '%s/transaction-all.%s' % (path, timestamp)
        results = []
        for f in [tsall, tsdone]:
            if os.path.exists(f):
                if disable:
                    disable_f = f + '.disabled'
                    os.rename(f, disable_f)
                    results.append(disable_f)
                else:
                    os.unlink(f)
        return results
        
    def addCmdOptions(self):
        self.optparser_grp.add_option(&quot;--cleanup-only&quot;, default=False,
            action=&quot;store_true&quot;, dest=&quot;cleanup&quot;,
            help='Do not complete the transaction just clean up transaction journals')

    def main(self):
        # Parse the commandline option and setup the basics.
        try:
            opts = self.doUtilConfigSetup()
        except yum.Errors.RepoError, e:
            self.logger.error(&quot;Cannot handle specific enablerepo/disablerepo options.&quot;)
            sys.exit(50)


        if self.conf.uid != 0:
            self.logger.error(&quot;Error: You must be root to run yum-complete-transaction.&quot;)
            sys.exit(1)


        # Setup yum (Ts, RPM db, Repo &amp; Sack)
        self.doUtilYumSetup()
        # Do the real action
        # get the list of transactions remaining
        # list the number of them
        # take the most recent one
        # populate the ts
        # run it

        self.run_with_package_names.add('yum-utils')
        times = []
        for thistime in find_unfinished_transactions(self.conf.persistdir):
            if thistime.endswith('disabled'):
                continue
            # XXX maybe a check  here for transactions that are just too old to try and complete?
            times.append(thistime)
        
        if not times:
            print &quot;No unfinished transactions left.&quot;
            sys.exit()

        if opts.cleanup:
            print &quot;Cleaning up unfinished transaction journals&quot;
            # nuke ts files in yumlibpath
            for timestamp in times:
                print &quot;Cleaning up %s&quot; % timestamp
                self.clean_up_ts_files(timestamp, self.conf.persistdir)
            sys.exit()


        timestamp = times[-1]
        print &quot;There are %d outstanding transactions to complete. Finishing the most recent one&quot; % len(times)
        
        try:
            remaining = find_ts_remaining(timestamp, yumlibpath=self.conf.persistdir)
        except yum.Errors.MiscError, e:
            self.logger.error(&quot;Error: %s&quot; % e)
            self.logger.error(&quot;Please report this error to: %s&quot; % self.conf.bugtracker_url)
            sys.exit(1)
            
        print &quot;The remaining transaction had %d elements left to run&quot; % len(remaining)
        for (action, pkgspec) in remaining:
            if action == 'install':
                try:
                    self.install(pattern=pkgspec)
                except yum.Errors.InstallError, e:
                    pass

            if action == 'erase':
                (e, m, u) = self.rpmdb.matchPackageNames([pkgspec])
                for pkg in e:
                    self.remove(po=pkg)


        current_count = len(self.tsInfo)
        if hasattr(self, 'doUtilBuildTransaction'):
            errc = self.doUtilBuildTransaction(unfinished_transactions_check=False)
            if errc:
                sys.exit(errc)
        else:
            try:
                self.buildTransaction(unfinished_transactions_check=False)
            except yum.Errors.YumBaseError, e:
                self.logger.critical(&quot;Error building transaction: %s&quot; % e)
                sys.exit(1)

        if current_count != len(self.tsInfo):
            print '\n\nTransaction size changed - this means we are not doing the\n' \
                  'same transaction as we were before. Aborting and disabling\n' \
                  'this transaction.'
                  
            print '\nYou could try running: package-cleanup --problems\n' \
                  '                       package-cleanup --dupes\n' \
                  '                       rpm -Va --nofiles --nodigest'
            filelist = self.clean_up_ts_files(timestamp, self.conf.persistdir, disable=True)
            print '\nTransaction files renamed to:\n  %s' % '\n  '.join(filelist)
            sys.exit()
            
        if len(self.tsInfo) &lt; 1:
            print 'Nothing in the unfinished transaction to cleanup.'
            print &quot;Cleaning up completed transaction file&quot;
            self.clean_up_ts_files(timestamp, self.conf.persistdir)
            sys.exit()

        else:
            try:
                if self.doUtilTransaction() == 0:
                    print &quot;Cleaning up completed transaction file&quot;
                    self.clean_up_ts_files(timestamp, self.conf.persistdir)
                    sys.exit()
                else:
                    print &quot;Not removing old transaction files&quot;
                    sys.exit()
            except yum.Errors.YumBaseError,e:
                print &quot;Error: %s&quot; % str(e)
                sys.exit(1)                


if __name__ == '__main__':
    setup_locale()
    util = YumCompleteTransaction()


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