166 lines
6.7 KiB
Python
166 lines
6.7 KiB
Python
# Summary text hub
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#
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# Copyright (C) 2012 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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from pyanaconda.ui.lib.space import FileSystemSpaceChecker, DirInstallSpaceChecker
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from pyanaconda.ui.tui.hubs import TUIHub
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from pyanaconda.flags import flags
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from pyanaconda.errors import CmdlineError
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from pyanaconda.core.i18n import N_, _
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from pyanaconda.core.configuration.anaconda import conf
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from simpleline import App
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from simpleline.render.screen import InputState
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from simpleline.render.prompt import Prompt
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import sys
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import time
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from pyanaconda.anaconda_loggers import get_module_logger
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log = get_module_logger(__name__)
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# TRANSLATORS: 'b' to begin installation
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PROMPT_BEGIN_DESCRIPTION = N_("to begin installation")
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PROMPT_BEGIN_KEY = 'b'
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class SummaryHub(TUIHub):
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"""
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.. inheritance-diagram:: SummaryHub
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:parts: 3
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"""
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@staticmethod
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def get_screen_id():
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"""Return a unique id of this UI screen."""
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return "installation-summary"
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def __init__(self, data, storage, payload):
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super().__init__(data, storage, payload)
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self.title = N_("Installation")
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if not conf.target.is_directory:
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self._checker = FileSystemSpaceChecker(payload)
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else:
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self._checker = DirInstallSpaceChecker(payload)
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def setup(self, args="anaconda"):
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environment = args
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should_schedule = TUIHub.setup(self, environment)
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if not should_schedule:
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return False
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if flags.automatedInstall:
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sys.stdout.write(_("Starting automated install"))
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sys.stdout.flush()
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spokes = self._spokes.values()
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while not all(spoke.ready for spoke in spokes):
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# Catch any asynchronous events (like storage crashing)
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loop = App.get_event_loop()
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loop.process_signals()
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sys.stdout.write('.')
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sys.stdout.flush()
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time.sleep(1)
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print('')
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return True
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# override the prompt so that we can skip user input on kickstarts
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# where all the data is in hand. If not in hand, do the actual prompt.
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def prompt(self, args=None):
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incomplete_spokes = [spoke for spoke in self._spokes.values()
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if spoke.mandatory and not spoke.completed]
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# Kickstart space check failure either stops the automated install or
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# raises an error when using cmdline mode.
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#
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# For non-cmdline, prompt for input but continue to treat it as an
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# automated install. The spokes (in particular software selection,
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# which expects an environment for interactive install) will continue
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# to behave the same, so the user can hit 'b' at the prompt and ignore
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# the warning.
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if flags.automatedInstall and not incomplete_spokes:
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# Check the available space.
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if flags.ksprompt and self._checker and not self._checker.check():
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# Space is not ok.
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print(self._checker.error_message)
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log.error(self._checker.error_message)
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# Unset the checker so everything passes next time.
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self._checker = None
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# TRANSLATORS: 'b' to begin installation
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print(_("Enter '%s' to ignore the warning and attempt to install anyway.") %
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PROMPT_BEGIN_KEY)
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else:
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# Space is ok and spokes are complete, continue.
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self.close()
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return None
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# cmdline mode and incomplete spokes raises and error
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if not flags.ksprompt and incomplete_spokes:
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errtxt = _("The following mandatory spokes are not completed:") + \
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"\n" + "\n".join(spoke.title for spoke in incomplete_spokes)
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log.error("CmdlineError: %s", errtxt)
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raise CmdlineError(errtxt)
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# if we ever need to halt the flow of a ks install to prompt users for
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# input, flip off the automatedInstall flag -- this way installation
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# does not automatically proceed once all spokes are complete, and a
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# user must confirm they want to begin installation
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if incomplete_spokes:
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flags.automatedInstall = False
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# override the default prompt
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prompt = super().prompt(args)
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# this screen cannot be closed
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prompt.remove_option(Prompt.CONTINUE)
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# offer the 'b' to begin installation option
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prompt.add_option(PROMPT_BEGIN_KEY, _(PROMPT_BEGIN_DESCRIPTION))
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return prompt
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def input(self, args, key):
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"""Handle user input. Numbers are used to show a spoke, the rest is passed
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to the higher level for processing."""
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if self._container.process_user_input(key):
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return InputState.PROCESSED
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else:
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# If we get a continue, check for unfinished spokes. If unfinished
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# don't continue
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if key == PROMPT_BEGIN_KEY:
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for spoke in self._spokes.values():
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if not spoke.completed and spoke.mandatory:
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print(_("Please complete all spokes before continuing"))
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return InputState.DISCARDED
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# do a bit of final sanity checking, making sure pkg selection
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# size < available fs space
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if self._checker and not self._checker.check():
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print(self._checker.error_message)
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return InputState.DISCARDED
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return InputState.PROCESSED_AND_CLOSE
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elif key == Prompt.CONTINUE:
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# Kind of a hack, but we want to ignore if anyone presses 'c'
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# which is the global TUI key to close the current screen
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return InputState.DISCARDED
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else:
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return super().input(args, key)
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