104 lines
3.9 KiB
Python
104 lines
3.9 KiB
Python
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# Copyright (C) 2023 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 abc import ABC, abstractmethod
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import ast
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from pyanaconda.core.util import execWithCaptureAsLiveUser
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from pyanaconda.core.configuration.anaconda import conf
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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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def get_live_keyboard_instance():
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"""Return instance of a class based on the current running live system.
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:return: instance of a LiveSystemKeyboardBase based class for the current live environment
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:rtype: instance of class inherited from LiveSystemKeyboardBase class
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"""
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if conf.system.provides_liveuser:
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return GnomeShellKeyboard()
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# TODO: Add support for other Live systems
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return None
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class LiveSystemKeyboardBase(ABC):
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@abstractmethod
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def read_keyboard_layouts(self):
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"""Read keyboard configuration from the current system.
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The configuration have to be returned in format which is understandable by us for the
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installation. That means localed will understand it.
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:return: a list of "layout (variant)" or "layout" layout specifications
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:rtype: list(str)
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"""
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pass
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@staticmethod
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def _run_as_liveuser(argv):
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"""Run the command in a system as liveuser user.
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:param list argv: list of arguments for the command.
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:return: output of the command
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:rtype: str
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"""
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return execWithCaptureAsLiveUser(argv[0], argv[1:])
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class GnomeShellKeyboard(LiveSystemKeyboardBase):
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def read_keyboard_layouts(self):
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"""Read keyboard configuration from the current system.
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The configuration have to be returned in format which is understandable by us for the
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installation. That means localed will understand it.
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:return: a list of "layout (variant)" or "layout" layout specifications
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:rtype: list(str)
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"""
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command_args = ["gsettings", "get", "org.gnome.desktop.input-sources", "sources"]
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sources = self._run_as_liveuser(command_args)
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result = self._convert_to_xkb_format(sources)
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return result
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def _convert_to_xkb_format(self, sources):
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# convert input "[('xkb', 'us'), ('xkb', 'cz+qwerty')]\n"
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# to a python list of '["us", "cz (qwerty)"]'
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try:
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sources = ast.literal_eval(sources.rstrip())
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except (SyntaxError, ValueError, TypeError):
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log.error("Gnome Shell keyboard configuration can't be obtained from source %s!",
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sources)
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return []
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result = []
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for t in sources:
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# keep only 'xkb' type and ignore 'ibus' variants which can't be used in localed
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if t[0] == "xkb":
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layout = t[1]
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# change layout variant from 'cz+qwerty' to 'cz (qwerty)'
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if '+' in layout:
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layout, variant = layout.split('+')
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result.append(f"{layout} ({variant})")
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else:
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result.append(layout)
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return result
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