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//lib/python3/dist-packages/apt/cdrom.py

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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."""
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: CdromProgress | None = None,
        mountpoint: str | None = None,
        nomount: bool = True,
    ) -> None:
        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: CdromProgress | None = None) -> bool:
        """Add cdrom to the sources.list."""
        return apt_pkg.Cdrom.add(self, progress or self._progress)

def ident(self, progress: CdromProgress | None = None) -> str:
        """Identify the cdrom."""
        return apt_pkg.Cdrom.ident(self, progress or self._progress)

@property
    def in_sources_list(self) -> bool:
        """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

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cdrom.py	3.27 KB	lrw-r--r--	2025-01-27 11:32:07	Edit Download recursive recursive
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