anaconda/anaconda-40.22.3.13/pyanaconda/ui/tui/hubs/summary.py
2024-11-14 21:39:56 -08:00

166 lines
6.7 KiB
Python

# Summary text hub
#
# 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.
#
from pyanaconda.ui.lib.space import FileSystemSpaceChecker, DirInstallSpaceChecker
from pyanaconda.ui.tui.hubs import TUIHub
from pyanaconda.flags import flags
from pyanaconda.errors import CmdlineError
from pyanaconda.core.i18n import N_, _
from pyanaconda.core.configuration.anaconda import conf
from simpleline import App
from simpleline.render.screen import InputState
from simpleline.render.prompt import Prompt
import sys
import time
from pyanaconda.anaconda_loggers import get_module_logger
log = get_module_logger(__name__)
# TRANSLATORS: 'b' to begin installation
PROMPT_BEGIN_DESCRIPTION = N_("to begin installation")
PROMPT_BEGIN_KEY = 'b'
class SummaryHub(TUIHub):
"""
.. inheritance-diagram:: SummaryHub
:parts: 3
"""
@staticmethod
def get_screen_id():
"""Return a unique id of this UI screen."""
return "installation-summary"
def __init__(self, data, storage, payload):
super().__init__(data, storage, payload)
self.title = N_("Installation")
if not conf.target.is_directory:
self._checker = FileSystemSpaceChecker(payload)
else:
self._checker = DirInstallSpaceChecker(payload)
def setup(self, args="anaconda"):
environment = args
should_schedule = TUIHub.setup(self, environment)
if not should_schedule:
return False
if flags.automatedInstall:
sys.stdout.write(_("Starting automated install"))
sys.stdout.flush()
spokes = self._spokes.values()
while not all(spoke.ready for spoke in spokes):
# Catch any asynchronous events (like storage crashing)
loop = App.get_event_loop()
loop.process_signals()
sys.stdout.write('.')
sys.stdout.flush()
time.sleep(1)
print('')
return True
# override the prompt so that we can skip user input on kickstarts
# where all the data is in hand. If not in hand, do the actual prompt.
def prompt(self, args=None):
incomplete_spokes = [spoke for spoke in self._spokes.values()
if spoke.mandatory and not spoke.completed]
# Kickstart space check failure either stops the automated install or
# raises an error when using cmdline mode.
#
# For non-cmdline, prompt for input but continue to treat it as an
# automated install. The spokes (in particular software selection,
# which expects an environment for interactive install) will continue
# to behave the same, so the user can hit 'b' at the prompt and ignore
# the warning.
if flags.automatedInstall and not incomplete_spokes:
# Check the available space.
if flags.ksprompt and self._checker and not self._checker.check():
# Space is not ok.
print(self._checker.error_message)
log.error(self._checker.error_message)
# Unset the checker so everything passes next time.
self._checker = None
# TRANSLATORS: 'b' to begin installation
print(_("Enter '%s' to ignore the warning and attempt to install anyway.") %
PROMPT_BEGIN_KEY)
else:
# Space is ok and spokes are complete, continue.
self.close()
return None
# cmdline mode and incomplete spokes raises and error
if not flags.ksprompt and incomplete_spokes:
errtxt = _("The following mandatory spokes are not completed:") + \
"\n" + "\n".join(spoke.title for spoke in incomplete_spokes)
log.error("CmdlineError: %s", errtxt)
raise CmdlineError(errtxt)
# if we ever need to halt the flow of a ks install to prompt users for
# input, flip off the automatedInstall flag -- this way installation
# does not automatically proceed once all spokes are complete, and a
# user must confirm they want to begin installation
if incomplete_spokes:
flags.automatedInstall = False
# override the default prompt
prompt = super().prompt(args)
# this screen cannot be closed
prompt.remove_option(Prompt.CONTINUE)
# offer the 'b' to begin installation option
prompt.add_option(PROMPT_BEGIN_KEY, _(PROMPT_BEGIN_DESCRIPTION))
return prompt
def input(self, args, key):
"""Handle user input. Numbers are used to show a spoke, the rest is passed
to the higher level for processing."""
if self._container.process_user_input(key):
return InputState.PROCESSED
else:
# If we get a continue, check for unfinished spokes. If unfinished
# don't continue
if key == PROMPT_BEGIN_KEY:
for spoke in self._spokes.values():
if not spoke.completed and spoke.mandatory:
print(_("Please complete all spokes before continuing"))
return InputState.DISCARDED
# do a bit of final sanity checking, making sure pkg selection
# size < available fs space
if self._checker and not self._checker.check():
print(self._checker.error_message)
return InputState.DISCARDED
return InputState.PROCESSED_AND_CLOSE
elif key == Prompt.CONTINUE:
# Kind of a hack, but we want to ignore if anyone presses 'c'
# which is the global TUI key to close the current screen
return InputState.DISCARDED
else:
return super().input(args, key)