226 lines
8.1 KiB
Python
226 lines
8.1 KiB
Python
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# Software selection text spoke
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#
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# Copyright (C) 2013 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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# Red Hat Author(s): Samantha N. Bueno <sbueno@redhat.com>
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#
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from pyanaconda.flags import flags
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from pyanaconda.ui.tui.spokes import NormalTUISpoke
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from pyanaconda.ui.tui.simpleline import TextWidget, ColumnWidget, CheckboxWidget
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from pyanaconda.threads import threadMgr, AnacondaThread
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from pyanaconda.packaging import MetadataError, DependencyError
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from pyanaconda.i18n import _
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from pyanaconda.constants import THREAD_PAYLOAD, THREAD_PAYLOAD_MD
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from pyanaconda.constants import THREAD_CHECK_SOFTWARE, THREAD_SOFTWARE_WATCHER
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from pyanaconda.constants_text import INPUT_PROCESSED
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__all__ = ["SoftwareSpoke"]
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class SoftwareSpoke(NormalTUISpoke):
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""" Spoke used to read new value of text to represent source repo. """
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title = _("Software selection")
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category = "software"
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def __init__(self, app, data, storage, payload, instclass):
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NormalTUISpoke.__init__(self, app, data, storage, payload, instclass)
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self._ready = False
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self.errors = []
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self._tx_id = None
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# default to first selection (Gnome) in list of environments
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self._selection = 0
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self.environment = None
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# for detecting later whether any changes have been made
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self._origEnv = None
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# are we taking values (package list) from a kickstart file?
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self._kickstarted = flags.automatedInstall and self.data.packages.seen
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def initialize(self):
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NormalTUISpoke.initialize(self)
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threadMgr.add(AnacondaThread(name=THREAD_SOFTWARE_WATCHER, target=self._initialize))
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def _initialize(self):
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""" Private initialize. """
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threadMgr.wait(THREAD_PAYLOAD)
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if self._kickstarted:
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threadMgr.wait(THREAD_PAYLOAD_MD)
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else:
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try:
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self.payload.environments
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except MetadataError:
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self.errors.append(_("No installation source available"))
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return
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self.payload.release()
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self._ready = True
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@property
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def status(self):
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""" Where we are in the process """
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if self.errors:
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return _("Error checking software selection")
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if not self.ready:
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return _("Processing...")
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if not self.payload.baseRepo:
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return _("Installation source not set up")
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if not self.txid_valid:
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return _("Source changed - please verify")
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## FIXME:
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# quite ugly, but env isn't getting set to gnome (or anything) by
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# default, and it really should be so we can maintain consistency
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# with graphical behavior
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if self._selection >= 0 and not self.environment \
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and not self._kickstarted:
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self.apply()
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if not self.environment:
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# Ks installs with %packages will have an env selected, unless
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# they did an install without a desktop environment. This should
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# catch that one case.
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if self._kickstarted:
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return _("Custom software selected")
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return _("Nothing selected")
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return self.payload.environmentDescription(self.environment)[0]
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@property
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def completed(self):
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""" Make sure our threads are done running and vars are set. """
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processingDone = not threadMgr.get(THREAD_CHECK_SOFTWARE) and \
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not self.errors and self.txid_valid
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if flags.automatedInstall:
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return processingDone and self.payload.baseRepo and self.data.packages.seen
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else:
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return self.payload.baseRepo and self.environment is not None and processingDone
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def refresh(self, args=None):
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""" Refresh screen. """
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NormalTUISpoke.refresh(self, args)
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if not self.payload.baseRepo:
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message = TextWidget(_("Installation source needs to be set up first."))
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self._window.append(message)
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# add some more space below
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self._window.append(TextWidget(""))
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return True
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threadMgr.wait(THREAD_CHECK_SOFTWARE)
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# put a title above the list and some space below it
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self._window.append(TextWidget(_("Base environment")))
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self._window.append(TextWidget(""))
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environments = self.payload.environments
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displayed = []
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for env in environments:
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name = self.payload.environmentDescription(env)[0]
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displayed.append(CheckboxWidget(title="%s" % name, completed=(environments.index(env) == self._selection)))
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print(_("Base environment"))
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def _prep(i, w):
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""" Do some format magic for display. """
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num = TextWidget("%2d)" % (i + 1))
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return ColumnWidget([(4, [num]), (None, [w])], 1)
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# split list of DE's into two columns
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mid = len(environments) / 2
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left = [_prep(i, w) for i, w in enumerate(displayed) if i <= mid]
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right = [_prep(i, w) for i, w in enumerate(displayed) if i > mid]
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cw = ColumnWidget([(38, left), (38, right)], 2)
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self._window.append(cw)
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return True
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def input(self, args, key):
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""" Handle the input; this chooses the desktop environment. """
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try:
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keyid = int(key) - 1
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except ValueError:
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if key.lower() == "c" and 0 <= self._selection < len(self.payload.environments):
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self.apply()
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self.close()
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return INPUT_PROCESSED
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else:
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return key
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if 0 <= keyid < len(self.payload.environments):
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self._selection = keyid
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return INPUT_PROCESSED
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@property
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def ready(self):
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""" If we're ready to move on. """
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return (not threadMgr.get(THREAD_SOFTWARE_WATCHER) and
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not threadMgr.get(THREAD_PAYLOAD_MD) and
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not threadMgr.get(THREAD_CHECK_SOFTWARE))
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def apply(self):
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""" Apply our selections """
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self._apply()
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# no longer using values from kickstart
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self._kickstarted = False
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self.data.packages.seen = True
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threadMgr.add(AnacondaThread(name=THREAD_CHECK_SOFTWARE,
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target=self.checkSoftwareSelection))
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def _apply(self):
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""" Private apply. """
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self.environment = self.payload.environments[self._selection]
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if not self.environment:
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return
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if not self._origEnv:
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# nothing selected before, select the environment
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self.payload.selectEnvironment(self.environment)
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elif self._origEnv != self.environment:
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# environment changed, clear the list of packages and select the new
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# one
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self.payload.data.packages.groupList = []
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self.payload.selectEnvironment(self.environment)
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else:
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# no change
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return
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self._origEnv = self.environment
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def checkSoftwareSelection(self):
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""" Depsolving """
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try:
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self.payload.checkSoftwareSelection()
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except DependencyError:
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self._tx_id = None
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else:
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self._tx_id = self.payload.txID
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@property
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def txid_valid(self):
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""" Whether we have a valid yum tx id. """
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return self._tx_id == self.payload.txID
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