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

Editing: persistor.py

# persistor.py
# Persistence data container.
#
# Copyright (C) 2013-2016 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.
#

# The current implementation is storing to files in persistdir. Do not depend on
# specific files existing, instead use the persistor API. The underlying
# implementation can change, e.g. for one general file with a serialized dict of
# data etc.

from __future__ import absolute_import
from __future__ import unicode_literals
from dnf.i18n import _
import distutils.version
import dnf.util
import errno
import fnmatch
import json
import logging
import os
import re

logger = logging.getLogger("dnf")

class JSONDB(object):

def _check_json_db(self, json_path):
        if not os.path.isfile(json_path):
            # initialize new db
            dnf.util.ensure_dir(os.path.dirname(json_path))
            self._write_json_db(json_path, [])

def _get_json_db(self, json_path, default=[]):
        with open(json_path, 'r') as f:
            content = f.read()
        if content == "":
            # empty file is invalid json format
            logger.warning(_("%s is empty file"), json_path)
            self._write_json_db(json_path, default)
        else:
            try:
                default = json.loads(content)
            except ValueError as e:
                logger.warning(e)
        return default

@staticmethod
    def _write_json_db(json_path, content):
        with open(json_path, 'w') as f:
            json.dump(content, f)

class RepoPersistor(JSONDB):
    """Persistent data kept for repositories.

Is arch/releasever specific and stores to cachedir.

"""

def __init__(self, cachedir):
        self.cachedir = cachedir
        self.db_path = os.path.join(self.cachedir, "expired_repos.json")
        self.expired_to_add = set()
        self.reset_last_makecache = False

@property
    def _last_makecache_path(self):
        return os.path.join(self.cachedir, "last_makecache")

def get_expired_repos(self):
        try:
            self._check_json_db(self.db_path)
            return set(self._get_json_db(self.db_path))
        except OSError as e:
            logger.warning(_("Failed to load expired repos cache: %s"), e)
            return None

def save(self):
        try:
            self._check_json_db(self.db_path)
            self._write_json_db(self.db_path, list(self.expired_to_add))
        except OSError as e:
            logger.warning(_("Failed to store expired repos cache: %s"), e)
            return False
        if self.reset_last_makecache:
            try:
                dnf.util.touch(self._last_makecache_path)
                return True
            except IOError:
                logger.warning(_("Failed storing last makecache time."))
                return False

def since_last_makecache(self):
        try:
            return int(dnf.util.file_age(self._last_makecache_path))
        except OSError:
            logger.warning(_("Failed determining last makecache time."))
            return None

class TempfilePersistor(JSONDB):

def __init__(self, cachedir):
        self.db_path = os.path.join(cachedir, "tempfiles.json")
        self.tempfiles_to_add = set()
        self._empty = False

def get_saved_tempfiles(self):
        self._check_json_db(self.db_path)
        return self._get_json_db(self.db_path)

def save(self):
        if not self._empty and not self.tempfiles_to_add:
            return
        self._check_json_db(self.db_path)
        if self._empty:
            self._write_json_db(self.db_path, [])
            return
        if self.tempfiles_to_add:
            data = set(self._get_json_db(self.db_path))
            data.update(self.tempfiles_to_add)
            self._write_json_db(self.db_path, list(data))

def empty(self):
        self._empty = True

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