File Manager

X7ROOT File Manager

Current Path: /lib/python3.6/site-packages/dnf

?? ..
?? __init__.py(1.36 KB)
?? __pycache__
?? base.py(114.74 KB)
?? callback.py(3.64 KB)
?? cli
?? comps.py(24.24 KB)
?? conf
?? const.py(2.31 KB)
?? crypto.py(5.98 KB)
?? db
?? dnssec.py(11.06 KB)
?? drpm.py(6.2 KB)
?? exceptions.py(5.71 KB)
?? goal.py(1.08 KB)
?? history.py(1.12 KB)
?? i18n.py(12.03 KB)
?? lock.py(5.2 KB)
?? logging.py(10.11 KB)
?? match_counter.py(3.83 KB)
?? module
?? package.py(10.94 KB)
?? persistor.py(4.61 KB)
?? plugin.py(9.33 KB)
?? pycomp.py(3.52 KB)
?? query.py(1.55 KB)
?? repo.py(20.32 KB)
?? repodict.py(5.04 KB)
?? rpm
?? sack.py(2.97 KB)
?? selector.py(1.1 KB)
?? subject.py(1.12 KB)
?? transaction.py(4.29 KB)
?? transaction_sr.py(25.59 KB)
?? util.py(19.9 KB)
?? yum

Editing: drpm.py

# drpm.py
# Delta RPM support
#
# Copyright (C) 2012-2016 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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.  Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#

from __future__ import absolute_import
from __future__ import unicode_literals
from binascii import hexlify
from dnf.yum.misc import unlink_f
from dnf.i18n import _

import dnf.callback
import dnf.logging
import dnf.repo
import hawkey
import logging
import libdnf.repo
import os

APPLYDELTA = '/usr/bin/applydeltarpm'

logger = logging.getLogger("dnf")

class DeltaPayload(dnf.repo.PackagePayload):
    def __init__(self, delta_info, delta, pkg, progress):
        super(DeltaPayload, self).__init__(pkg, progress)
        self.delta_info = delta_info
        self.delta = delta

def __str__(self):
        return os.path.basename(self.delta.location)

def _end_cb(self, cbdata, lr_status, msg):
        super(DeltaPayload, self)._end_cb(cbdata, lr_status, msg)
        if lr_status != libdnf.repo.PackageTargetCB.TransferStatus_ERROR:
            self.delta_info.enqueue(self)

def _target_params(self):
        delta = self.delta
        ctype, csum = delta.chksum
        ctype = hawkey.chksum_name(ctype)
        chksum = hexlify(csum).decode()

ctype_code = libdnf.repo.PackageTarget.checksumType(ctype)
        if ctype_code == libdnf.repo.PackageTarget.ChecksumType_UNKNOWN:
            logger.warning(_("unsupported checksum type: %s"), ctype)

return {
            'relative_url' : delta.location,
            'checksum_type' : ctype_code,
            'checksum' : chksum,
            'expectedsize' : delta.downloadsize,
            'base_url' : delta.baseurl,
        }

@property
    def download_size(self):
        return self.delta.downloadsize

@property
    def _full_size(self):
        return self.pkg.downloadsize

def localPkg(self):
        location = self.delta.location
        return os.path.join(self.pkg.repo.pkgdir, os.path.basename(location))

class DeltaInfo(object):
    def __init__(self, query, progress, deltarpm_percentage=None):
        '''A delta lookup and rebuild context
           query -- installed packages to use when looking up deltas
           progress -- progress obj to display finished delta rebuilds
        '''
        self.deltarpm_installed = False
        if os.access(APPLYDELTA, os.X_OK):
            self.deltarpm_installed = True
        try:
            self.deltarpm_jobs = os.sysconf('SC_NPROCESSORS_ONLN')
        except (TypeError, ValueError):
            self.deltarpm_jobs = 4
        if deltarpm_percentage is None:
            self.deltarpm_percentage = dnf.conf.Conf().deltarpm_percentage
        else:
            self.deltarpm_percentage = deltarpm_percentage
        self.query = query
        self.progress = progress

self.queue = []
        self.jobs = {}
        self.err = {}

def delta_factory(self, po, progress):
        '''Turn a po to Delta RPM po, if possible'''
        if not self.deltarpm_installed:
            # deltarpm is not installed
            return None
        if not po.repo.deltarpm or not self.deltarpm_percentage:
            # drpm disabled
            return None
        if po._is_local_pkg():
            # drpm disabled for local
            return None
        if os.path.exists(po.localPkg()):
            # already there
            return None

best = po._size * self.deltarpm_percentage / 100
        best_delta = None
        for ipo in self.query.filter(name=po.name, arch=po.arch):
            delta = po.get_delta_from_evr(ipo.evr)
            if delta and delta.downloadsize < best:
                best = delta.downloadsize
                best_delta = delta
        if best_delta:
            return DeltaPayload(self, best_delta, po, progress)
        return None

def job_done(self, pid, code):
        # handle a finished delta rebuild
        logger.log(dnf.logging.SUBDEBUG, 'drpm: %d: return code: %d, %d', pid,
                   code >> 8, code & 0xff)

pload = self.jobs.pop(pid)
        pkg = pload.pkg
        if code != 0:
            unlink_f(pload.pkg.localPkg())
            self.err[pkg] = [_('Delta RPM rebuild failed')]
        elif not pload.pkg.verifyLocalPkg():
            self.err[pkg] = [_('Checksum of the delta-rebuilt RPM failed')]
        else:
            os.unlink(pload.localPkg())
            self.progress.end(pload, dnf.callback.STATUS_DRPM, _('done'))

def start_job(self, pload):
        # spawn a delta rebuild job
        spawn_args = [APPLYDELTA, APPLYDELTA,
                      '-a', pload.pkg.arch,
                      pload.localPkg(), pload.pkg.localPkg()]
        pid = os.spawnl(os.P_NOWAIT, *spawn_args)
        logger.log(dnf.logging.SUBDEBUG, 'drpm: spawned %d: %s', pid,
                   ' '.join(spawn_args[1:]))
        self.jobs[pid] = pload

def enqueue(self, pload):
        # process finished jobs, start new ones
        while self.jobs:
            pid, code = os.waitpid(-1, os.WNOHANG)
            if not pid:
                break
            self.job_done(pid, code)
        self.queue.append(pload)
        while len(self.jobs) < self.deltarpm_jobs:
            self.start_job(self.queue.pop(0))
            if not self.queue:
                break

def wait(self):
        '''Wait until all jobs have finished'''
        while self.jobs:
            pid, code = os.wait()
            self.job_done(pid, code)
            if self.queue:
                self.start_job(self.queue.pop(0))

X7ROOT File Manager

Editing: drpm.py

Upload File

Create Folder