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# cdrom.py - CDROM handling
#
# Copyright (c) 2005-2009 Canonical
# Copyright (c) 2009 Julian Andres Klode <jak@debian.org>
#
# Author: Michael Vogt <michael.vogt@ubuntu.com>
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
"""Classes related to cdrom handling."""
from __future__ import print_function
import glob
import apt_pkg
from apt.progress.base import CdromProgress
class Cdrom(apt_pkg.Cdrom):
"""Support for apt-cdrom like features.
This class has several optional parameters for initialisation, which may
be used to influence the behaviour of the object:
The optional parameter `progress` is a CdromProgress() subclass, which will
ask for the correct cdrom, etc. If not specified or None, a CdromProgress()
object will be used.
The optional parameter `mountpoint` may be used to specify an alternative
mountpoint.
If the optional parameter `nomount` is True, the cdroms will not be
mounted. This is the default behaviour.
"""
def __init__(self, progress=None, mountpoint=None, nomount=True):
apt_pkg.Cdrom.__init__(self)
if progress is None:
self._progress = CdromProgress()
else:
self._progress = progress
# see if we have a alternative mountpoint
if mountpoint is not None:
apt_pkg.config.set("Acquire::cdrom::mount", mountpoint)
# do not mess with mount points by default
if nomount:
apt_pkg.config.set("APT::CDROM::NoMount", "true")
else:
apt_pkg.config.set("APT::CDROM::NoMount", "false")
def add(self, progress=None):
"""Add cdrom to the sources.list."""
return apt_pkg.Cdrom.add(self, progress or self._progress)
def ident(self, progress=None):
"""Identify the cdrom."""
return apt_pkg.Cdrom.ident(self, progress or self._progress)
@property
def in_sources_list(self):
"""Check if the cdrom is already in the current sources.list."""
cd_id = self.ident()
if cd_id is None:
# FIXME: throw exception instead
return False
# Get a list of files
src = glob.glob(apt_pkg.config.find_dir("Dir::Etc::sourceparts") + '*')
src.append(apt_pkg.config.find_file("Dir::Etc::sourcelist"))
# Check each file
for fname in src:
with open(fname) as fobj:
for line in fobj:
if not line.lstrip().startswith("#") and cd_id in line:
return True
return False