qubes-installer-qubes-os/anaconda/pyanaconda/ui/tui/hubs/progress.py
2013-01-24 01:45:53 +01:00

122 lines
4.6 KiB
Python

# Text progress hub classes
#
# Copyright (C) 2012 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
# Red Hat Author(s): Jesse Keating <jkeating@redhat.com>
#
import time
import sys
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
from pyanaconda.flags import flags
from pykickstart.constants import KS_SHUTDOWN, KS_REBOOT
from pyanaconda.ui.tui.hubs import TUIHub
from pyanaconda.ui.tui.simpleline.base import ExitAllMainLoops
__all__ = ["ProgressHub"]
class ProgressHub(TUIHub):
title = _("Installation Hub")
def __init__(self, app, ksdata, storage, payload, instclass):
TUIHub.__init__(self, app, ksdata, storage, payload, instclass)
self._stepped = False
def _update_progress(self):
"""Handle progress updates from install thread."""
from pyanaconda import progress
import Queue
q = progress.progressQ
# Grab all messages may have appeared since last time this method ran.
while True:
# Attempt to get a message out of the queue for how we should update
# the progress bar. If there's no message, don't error out.
(code, args) = q.get()
if code == progress.PROGRESS_CODE_INIT:
# Text mode doesn't have a finite progress bar
pass
elif code == progress.PROGRESS_CODE_STEP:
# Instead of updating a progress bar, we just print a pip
# but print it without a new line.
sys.stdout.write('.')
sys.stdout.flush()
# Use _stepped as an indication to if we need a newline before
# the next message
self._stepped = True
elif code == progress.PROGRESS_CODE_MESSAGE:
# This should already be translated
if self._stepped:
# Get a new line in case we've done a step before
self._stepped = False
print('')
print(args[0])
elif code == progress.PROGRESS_CODE_COMPLETE:
# There shouldn't be any more progress updates, so return
q.task_done()
if self._stepped:
print('')
return True
q.task_done()
return True
def refresh(self, args):
from pyanaconda.install import doInstall, doConfiguration
from pyanaconda.threads import threadMgr, AnacondaThread
# We print this here because we don't really use the window object
print(self.title)
threadMgr.add(AnacondaThread(name="AnaInstallThread", target=doInstall,
args=(self.storage, self.payload, self.data,
self.instclass)))
# This will run until we're all done with the install thread.
self._update_progress()
threadMgr.add(AnacondaThread(name="AnaConfigurationThread", target=doConfiguration,
args=(self.storage, self.payload, self.data,
self.instclass)))
# This will run until we're all done with the configuration thread.
self._update_progress()
# kickstart install, continue automatically if reboot or shutdown selected
if flags.automatedInstall and self.data.reboot.action in [KS_REBOOT, KS_SHUTDOWN]:
# Just pretend like we got input, and our input doesn't care
# what it gets, it just quits.
self.input(None, None)
return True
def prompt(self, args = None):
return(_("\tInstallation complete. Press return to quit"))
def input(self, args, key):
# There is nothing to do here, just raise to exit the hub
raise ExitAllMainLoops()