79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
#!/usr/bin/env python
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# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
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# (c) 2005-2007 Canonical, GPL
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import os
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import tempfile
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from gettext import gettext as _
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import gi
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gi.require_version("Gtk", "3.0")
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from gi.repository import GObject
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# Extra GdkX11 import for pygobject bug #673396
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# https://bugzilla.gnome.org/show_bug.cgi?id=673396
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from gi.repository import GdkX11
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GdkX11 # pyflakes
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from UpdateManager.backend import InstallBackend
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class InstallBackendSynaptic(InstallBackend):
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""" Install backend based on synaptic """
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def update(self):
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opt = ["--update-at-startup"]
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tempf = None
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self._run_synaptic(self.ACTION_UPDATE, opt, tempf)
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def commit(self, pkgs_install, pkgs_upgrade, pkgs_remove,
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close_on_done=False):
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# close when update was successful (its ok to use a Synaptic::
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# option here, it will not get auto-saved, because synaptic does
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# not save options in non-interactive mode)
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opt = []
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if close_on_done:
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opt.append("-o")
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opt.append("Synaptic::closeZvt=true")
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# custom progress strings
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opt.append("--progress-str")
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opt.append("%s" % _("Please wait, this can take some time."))
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opt.append("--finish-str")
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opt.append("%s" % _("Update is complete"))
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tempf = tempfile.NamedTemporaryFile(mode="w+")
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for pkg_name in pkgs_install + pkgs_upgrade:
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tempf.write("%s\tinstall\n" % pkg_name)
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for pkg_name in pkgs_remove:
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tempf.write("%s\tdeinstall\n" % pkg_name)
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opt.append("--set-selections-file")
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opt.append("%s" % tempf.name)
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tempf.flush()
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self._run_synaptic(self.ACTION_INSTALL, opt, tempf)
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def _run_synaptic(self, action, opt, tempf):
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"""Execute synaptic."""
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win = self.window_main.get_window()
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try:
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xid = win.get_xid()
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except AttributeError:
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xid = 0
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cmd = ["/usr/bin/pkexec", "/usr/sbin/synaptic", "--hide-main-window",
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"--non-interactive", "--parent-window-id",
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"%s" % xid]
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cmd.extend(opt)
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flags = GObject.SPAWN_DO_NOT_REAP_CHILD
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(pid, stdin, stdout, stderr) = GObject.spawn_async(cmd, flags=flags)
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# Keep a reference to the data tuple passed to
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# GObject.child_watch_add to avoid attempts to destroy it without a
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# thread context: https://bugs.launchpad.net/bugs/724687
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self.child_data = (action, tempf)
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GObject.child_watch_add(pid, self._on_synaptic_exit, self.child_data)
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def _on_synaptic_exit(self, pid, condition, data):
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action, tempf = data
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if tempf:
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tempf.close()
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self._action_done(action,
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authorized=True,
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success=os.WEXITSTATUS(condition) == 0,
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error_string=None, error_desc=None)
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