/usr/share/gdebi/GDebi/GDebiCommon.py is in gdebi-core 0.9.5.3.
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 | # Copyright (c) 2005-2009 Canonical Ltd
#
# AUTHOR:
# Michael Vogt <mvo@ubuntu.com>
#
# This file is part of GDebi
#
# GDebi 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.
#
# GDebi 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 GDebi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import gettext
import logging
import os
import sys
from mimetypes import guess_type
import apt_pkg
from apt.cache import Cache
from .DebPackage import (
ClickPackage,
DebPackage,
)
if sys.version_info[0] == 3:
from gettext import gettext as _
def py3utf8(s):
return s
utf8 = py3utf8
unicode = str
else:
def _(str):
return utf8(gettext.gettext(str))
def py2utf8(str):
if isinstance(str, unicode):
return str
try:
return unicode(str, 'UTF-8')
except:
# assume latin1 as fallback
return unicode(str, 'latin1')
utf8 = py2utf8
class GDebiCommon(object):
# cprogress may be different in child classes
def __init__(self, datadir, options, file=""):
self.cprogress = None
self._cache = None
self.deps = ""
self.version_info_title = ""
self.version_info_msg = ""
self._deb = None
self._options = options
self.install = []
self.remove = []
self.unauthenticated = 0
def openCache(self):
self._cache = Cache(self.cprogress)
if self._cache._depcache.broken_count > 0:
self.error_header = _("Broken dependencies")
self.error_body = _("Your system has broken dependencies. "
"This application can not continue until "
"this is fixed. "
"To fix it run 'gksudo synaptic' or "
"'sudo apt-get install -f' "
"in a terminal window.")
return False
return True
def open(self, file, downloaded=False):
file = os.path.abspath(file)
klass = DebPackage
if file.endswith(".click"):
klass = ClickPackage
try:
self._deb = klass(file, Cache(), downloaded)
except (IOError, SystemError, ValueError) as e:
logging.debug("open failed with %s" % e)
mimetype=guess_type(file)
if (mimetype[0] != None and
mimetype[0] != "application/x-debian-package"):
self.error_header = _("'%s' is not a Debian package") % os.path.basename(file)
self.error_body = _("The MIME type of this file is '%s' "
"and can not be installed on this system.") % mimetype[0]
return False
else:
self.error_header = _("Could not open '%s'") % os.path.basename(file)
self.error_body = _("The package might be corrupted or you are not "
"allowed to open the file. Check the permissions "
"of the file.")
return False
def compareDebWithCache(self):
# check if the package is available in the normal sources as well
res = self._deb.compare_to_version_in_cache(use_installed=False)
if not self._options.non_interactive and res != DebPackage.VERSION_NONE:
try:
pkg = self._cache[self._deb.pkgname]
except (KeyError, TypeError):
return
if self._deb.downloaded:
self.version_info_title = ""
self.version_info_msg = ""
return
# FIXME: make this strs better
if res == DebPackage.VERSION_SAME:
if pkg.candidate and pkg.candidate.downloadable:
self.version_info_title = _("Same version is available in a software channel")
self.version_info_msg = _("You are recommended to install the software "
"from the channel instead.")
elif res == DebPackage.VERSION_NEWER:
if pkg.candidate and pkg.candidate.downloadable:
self.version_info_title = _("An older version is available in a software channel")
self.version_info_msg = _("Generally you are recommended to install "
"the version from the software channel, since "
"it is usually better supported.")
elif res == DebPackage.VERSION_OUTDATED:
if pkg.candidate and pkg.candidate.downloadable:
self.version_info_title = _("A later version is available in a software "
"channel")
self.version_info_msg = _("You are strongly advised to install "
"the version from the software channel, since "
"it is usually better supported.")
def compareProvides(self):
provides = set()
broken_provides = set()
try:
pkg = self._cache[self._deb.pkgname].installed
except (KeyError, TypeError):
pkg = None
if pkg:
if pkg.provides:
for p in self._deb.provides:
for i in p:
provides.add(i[0])
provides = set(pkg.provides).difference(provides)
if provides:
for package in list(self._cache.keys()):
if self._cache[package].installed:
for dep in self._cache[package].installed.dependencies:
for d in dep.or_dependencies:
if d.name in provides:
broken_provides.add(d.name)
return broken_provides
def download_package(self):
dirname = os.path.abspath(os.path.dirname(self._deb.filename))
package = self._cache[self._deb.pkgname].candidate
pkgname = os.path.basename(package.filename)
if package.downloadable:
if not os.access(dirname, os.W_OK):
dirname = "/tmp"
if not os.path.exists(os.path.join(dirname, pkgname)):
package.fetch_binary(dirname)
self.open(os.path.join(dirname, pkgname), True)
return True
def get_changes(self):
(self.install, self.remove, self.unauthenticated) = self._deb.required_changes
self.deps = ""
if len(self.remove) == len(self.install) == 0:
self.deps = _("All dependencies are satisfied")
if len(self.remove) > 0:
# FIXME: use ngettext here
self.deps += _("Requires the <b>removal</b> of %s packages\n") % len(self.remove)
if len(self.install) > 0:
self.deps += _("Requires the installation of %s packages") % len(self.install)
return True
def try_acquire_lock(self):
" check if we can lock the apt database "
try:
apt_pkg.pkgsystem_lock()
except SystemError:
self.error_header = _("Only one software management tool is allowed to"
" run at the same time")
self.error_body = _("Please close the other application e.g. 'Update "
"Manager', 'aptitude' or 'Synaptic' first.")
return False
apt_pkg.pkgsystem_unlock()
return True
def acquire_lock(self):
" lock the pkgsystem for install "
# sanity check ( moved here )
if self._deb is None:
return False
# check if we can lock the apt database
try:
apt_pkg.pkgsystem_lock()
except SystemError:
self.error_header = _("Only one software management tool is allowed to"
" run at the same time")
self.error_body = _("Please close the other application e.g. 'Update "
"Manager', 'aptitude' or 'Synaptic' first.")
return False
return True
def release_lock(self):
" release the pkgsystem lock "
apt_pkg.pkgsystem_lock()
return True
|