JezK
Edit File: cdrom.py
# 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