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Viewing changes to .pc/fix-defer-callback.patch/sessioninstaller/backends/aptd.py

  • Committer: Package Import Robot
  • Author(s): Martin Pitt
  • Date: 2012-08-21 08:50:56 UTC
  • mfrom: (1.1.9)
  • Revision ID: package-import@ubuntu.com-20120821085056-y14a277r80llr45f
Tags: 0.20+bzr131-0ubuntu1
https://launchpad.net/bugs/790500
https://launchpad.net/bugs/1028640
* debian/control: Update Vcs-* to Quantal branch.
* New upstream snapshot:
  - Fix typo in error message. (LP: #790500)
  - Make sure not to accidentally call defer.callback() twice (LP #848605)
  - Work around static vs. GI gobject binding crash. (LP: #1028640)
* Drop fix-defer-callback.patch, included upstream.

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.pc/fix-defer-callback.patch/sessioninstaller/backends/aptd.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Provides an aptdaemon based backend
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"""
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# Copyright (C) 2008-2010 Sebastian Heinlein <devel@glatzor.de>
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#
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# Licensed under the GNU General Public License Version 2
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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__author__ = "Sebastian Heinlein <devel@glatzor.de>"
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from gi.repository import Gtk
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from aptdaemon import enums
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import defer
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import aptdaemon.client
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import aptdaemon.errors
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import aptdaemon.gtk3widgets
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import sessioninstaller.errors
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class AptDaemonBackend(object):
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    """Provides a graphical test application."""
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    def __init__(self):
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        self.ac = aptdaemon.client.AptClient()
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    def _run_trans(self, trans, parent, interaction):
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        deferred = defer.Deferred()
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        dia = aptdaemon.gtk3widgets.AptProgressDialog(trans)
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        dia.connect("finished", lambda x: deferred.callback())
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        if parent:
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            dia.realize()
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            dia.set_transient_for(parent)
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        dia.run(close_on_finished=True, show_error=True,
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                reply_handler=lambda: True,
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                error_handler=deferred.errback)
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        return deferred
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    def _simulate_trans(self, trans, parent, interaction):
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        deferred = defer.Deferred()
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        trans.simulate(reply_handler=lambda: deferred.callback(trans),
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                       error_handler=deferred.errback)
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        return deferred
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    def _confirm_deps(self, trans, parent, interaction):
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        if not [pkgs for pkgs in trans.dependencies if pkgs]:
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            return trans
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        dia = aptdaemon.gtk3widgets.AptConfirmDialog(trans)
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        if parent:
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            dia.realize()
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            dia.set_transient_for(parent)
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        res = dia.run()
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        dia.hide()
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        if res == Gtk.ResponseType.OK:
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            return trans
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        raise sessioninstaller.errors.ModifyCancelled
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    def install_packages(self, xid, package_names, interaction):
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        deferred = defer.Deferred()
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        parent = None # should get from XID, but removed from Gdk 3
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        self.ac.install_packages(package_names, reply_handler=deferred.callback,
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                                 error_handler=deferred.errback)
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        deferred.add_callback(self._simulate_trans, parent, interaction)
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        deferred.add_callback(self._confirm_deps, parent, interaction)
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        deferred.add_callback(self._run_trans, parent, interaction)
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        deferred.add_errback(self._show_error, parent)
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        return deferred
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    def install_package_files(self, xid, files, interaction):
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        deferred = defer.Deferred()
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        parent = None # should get from XID, but removed from Gdk 3
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        #FIXME: Add support for installing serveral files at the same time
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        self.ac.install_file(files[0], reply_handler=deferred.callback,
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                             error_handler=deferred.errback)
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        deferred.add_callback(self._simulate_trans, parent, interaction)
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        deferred.add_callback(self._confirm_deps, parent, interaction)
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        deferred.add_callback(self._run_trans, parent, interaction)
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        deferred.add_errback(self._show_error, parent)
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        return deferred
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    def remove_packages(self, xid, package_names, interaction):
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        deferred = defer.Deferred()
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        parent = None # should get from XID, but removed from Gdk 3
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        self.ac.remove_packages(package_names, reply_handler=deferred.callback,
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                                error_handler=deferred.errback)
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        deferred.add_callback(self._simulate_trans, parent, interaction)
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        deferred.add_callback(self._confirm_deps, parent, interaction)
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        deferred.add_callback(self._run_trans, parent, interaction)
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        deferred.add_errback(self._show_error, parent)
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        return deferred
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    def _show_error(self, error, parent):
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        try:
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            error.raise_exception()
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        except aptdaemon.errors.NotAuthorizedError:
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            raise sessioninstaller.errors.ModifyForbidden
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        except aptdaemon.errors.TransactionCancelled:
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            raise sessioninstaller.errors.ModifyCancelled
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        except aptdaemon.errors.TransactionFailed, error:
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            pass
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        except sessioninstaller.errors.ModifyCancelled, error:
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            raise error
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        except Exception, error:
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            error = aptdaemon.errors.TransactionFailed(enums.ERROR_UNKNOWN,
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                                                       str(error))
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        dia = aptdaemon.gtk3widgets.AptErrorDialog(error)
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        if parent:
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            dia.realize()
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            dia.set_transient_for(parent)
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        dia.run()
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        dia.hide()
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        msg = "%s - %s\n%s" % (enums.get_error_string_from_enum(error.code),
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                              enums.get_error_description_from_enum(error.code),
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                              error.details)
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        raise sessioninstaller.errors.ModifyFailed(msg)
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# vim:ts=4:sw=4:et