197 lines
7.4 KiB
Python
197 lines
7.4 KiB
Python
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#
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# Copyright (C) 2019 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.core.util import execWithRedirect
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from pyanaconda.core.configuration.anaconda import conf
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from pyanaconda.modules.common.errors.configuration import KeyboardConfigurationError
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from pyanaconda.modules.common.task import Task
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from pyanaconda.modules.localization.utils import get_missing_keyboard_configuration
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from pyanaconda.anaconda_loggers import get_module_logger
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from pyanaconda.modules.localization.installation import write_vc_configuration
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log = get_module_logger(__name__)
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class AssignGenericKeyboardSettingTask(Task):
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"""Task for assignment of generic keyboard specification to a specific configuration."""
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def __init__(self, keyboard):
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"""Create a new task.
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:param keyboard: generic system keyboard specification
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:type keyboard: str
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"""
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super().__init__()
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self._keyboard = keyboard
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@property
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def name(self):
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return "Assign generic keyboard setting value."
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def run(self):
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"""Run assignment of generic keyboard setting value.
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:returns: tuple of X layouts and VC keyboard settings
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:rtype: (list(str), str))
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"""
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x_layouts = []
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vc_keymap = ""
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if conf.system.can_activate_keyboard:
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is_keymap = try_to_load_keymap(self._keyboard)
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if is_keymap:
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vc_keymap = self._keyboard
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else:
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x_layouts.append(self._keyboard)
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else:
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vc_keymap = self._keyboard
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return x_layouts, vc_keymap
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class GetMissingKeyboardConfigurationTask(Task):
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"""Task for getting missing keyboard settings by conversion and default values."""
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def __init__(self, localed_wrapper, x_layouts, vc_keymap):
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"""Create a new task.
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:param localed_wrapper: instance of systemd-localed service wrapper
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:type localed_wrapper: LocaledWrapper
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:param x_layouts: list of x layout specifications
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:type x_layouts: list(str)
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:param vc_keymap: virtual console keyboard mapping name
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:type vc_keymap: str
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"""
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super().__init__()
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self._localed_wrapper = localed_wrapper
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self._x_layouts = x_layouts
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self._vc_keymap = vc_keymap
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@property
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def name(self):
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return "Get missing keyboard settings."
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def run(self):
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"""Run getting of missing keyboard settings.
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:returns: tuple of X layouts and VC keyboard settings
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:rtype: (list(str), str))
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"""
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return get_missing_keyboard_configuration(self._localed_wrapper,
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self._x_layouts,
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self._vc_keymap)
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class ApplyKeyboardTask(Task):
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"""Task for applying keyboard settings to current system."""
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def __init__(self, localed_wrapper, x_layouts, vc_keymap, switch_options):
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"""Create a new task.
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:param localed_wrapper: instance of systemd-localed service wrapper
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:type localed_wrapper: LocaledWrapper
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:param x_layouts: list of x layout specifications
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:type x_layouts: list(str)
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:param vc_keymap: virtual console keyboard mapping name
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:type vc_keymap: str
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:param switch_options: list of options for layout switching
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:type switch_options: list(str)
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"""
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super().__init__()
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self._localed_wrapper = localed_wrapper
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self._x_layouts = x_layouts
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self._vc_keymap = vc_keymap
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self._switch_options = switch_options
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@property
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def name(self):
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return "Apply keyboard configuration."
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def run(self):
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"""Run application of keyboard settings.
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:returns: tuple of X layouts and VC keyboard settings after application
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:rtype: (list(str), str))
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"""
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if not conf.system.can_activate_keyboard:
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log.debug("Activating of keyboard configuration is disabled on this system.")
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return self._x_layouts, self._vc_keymap
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if not self._vc_keymap and not self._x_layouts:
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log.debug("Not applying keyboard configuration:"
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"neither VConsole not X Layouts are set.")
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return self._x_layouts, self._vc_keymap
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vc_keymap = self._vc_keymap
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x_layouts = self._x_layouts
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x_layouts_from_conversion = None
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if vc_keymap:
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valid_keymap = try_to_load_keymap(vc_keymap)
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if not valid_keymap:
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log.error("'%s' is not a valid VConsole keymap, not loading", vc_keymap)
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vc_keymap = ""
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else:
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# activate VConsole keymap and get converted layout and variant
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x_layouts_from_conversion = self._localed_wrapper.set_and_convert_keymap(vc_keymap)
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if not x_layouts:
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if x_layouts_from_conversion:
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# suggested by systemd-localed for a requested VConsole keymap
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x_layouts += x_layouts_from_conversion
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elif vc_keymap:
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# nothing suggested by systemd-localed, but we may try to use the
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# same string for both VConsole keymap and X layout (will fail
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# safely if it doesn't work)
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x_layouts.append(vc_keymap)
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if x_layouts:
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if not vc_keymap:
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vc_keymap = self._localed_wrapper.set_and_convert_layouts(x_layouts)
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self._localed_wrapper.set_layouts(x_layouts, self._switch_options)
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# FIXME: is this really needed?
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# Only because of configuration of the FONT, if at all.
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write_vc_configuration(vc_keymap, root="/")
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return x_layouts, vc_keymap
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def try_to_load_keymap(keymap):
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"""
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Method that tries to load keymap and returns boolean indicating if it was
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successfull or not. It can be used to test if given string is VConsole
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keymap or not, but in case it is given valid keymap, IT REALLY LOADS IT!.
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:type keymap: string
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:raise KeyboardConfigurationError: if loadkeys command is not available
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:return: True if given string was a valid keymap and thus was loaded,
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False otherwise
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"""
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# BUG: systemd-localed should be able to tell us if we are trying to
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# activate invalid keymap. Then we will be able to get rid of this
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# fuction
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ret = 0
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try:
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ret = execWithRedirect("loadkeys", [keymap])
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except OSError as oserr:
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msg = "'loadkeys' command not available (%s)" % oserr.strerror
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raise KeyboardConfigurationError(msg) from oserr
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return ret == 0
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