946c5a493f
- Strings like "{} the {} with {}" are terrible for translators:
- no context
- no possibility to re-order grammatical units
- substituting in English parts-of-speech is going to make a mess
- Write the strings out with explicitly named substitutions,
no part-of-speech substitution, and better formatting.
122 lines
4.4 KiB
Python
122 lines
4.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# === This file is part of Calamares - <https://github.com/calamares> ===
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#
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# Copyright 2014, Philip Müller <philm@manjaro.org>
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# Copyright 2014, Teo Mrnjavac <teo@kde.org>
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# Copyright 2017, Alf Gaida <agaida@siduction.org>
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# Copyright 2018-2019, Adriaan de Groot <groot@kde.org>
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#
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# Calamares is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Calamares is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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import libcalamares
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import gettext
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_ = gettext.translation("calamares-python",
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localedir=libcalamares.utils.gettext_path(),
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languages=libcalamares.utils.gettext_languages(),
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fallback=True).gettext
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def pretty_name():
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return _("Configure systemd services")
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def systemctl(targets, command, suffix):
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"""
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For each entry in @p targets, run "systemctl <command> <thing>",
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where <thing> is the entry's name plus the given @p suffix.
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(No dot is added between name and suffix; suffix may be empty)
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Returns a failure message, or None if this was successful.
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Services that are not mandatory have their failures suppressed
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silently.
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"""
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for svc in targets:
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if isinstance(svc, str):
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name = svc
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mandatory = False
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else:
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name = svc["name"]
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mandatory = svc.get("mandatory", False)
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ec = libcalamares.utils.target_env_call(
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['systemctl', command, "{}{}".format(name, suffix)]
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)
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if ec != 0:
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libcalamares.utils.warning(
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"Cannot {} systemd {} {}".format(command, suffix, name)
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)
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libcalamares.utils.warning(
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"systemctl {} call in chroot returned error code {}".format(command, ec)
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)
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if mandatory:
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title = _("Cannot modify service")
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diagnostic = _("<code>systemctl {arg!s}</code> call in chroot returned error code {num!s}.").format(arg=command, num=ec)
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if command == "enable" and suffix == ".service":
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description = _("Cannot enable systemd service <code>{name!s}</code>.")
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elif command == "enable" and suffix == ".target":
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description = _("Cannot enable systemd target <code>{name!s}</code>.")
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elif command == "disable" and suffix == ".service":
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description = _("Cannot enable systemd service <code>{name!s}</code>.")
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elif command == "disable" and suffix == ".target":
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description = _("Cannot disable systemd target <code>{name!s}</code>.")
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elif command == "mask":
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description = _("Cannot mask systemd unit <code>{name!s}</code>.")
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else:
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description = _("Unknown systemd commands <code>{command!s}</code> and <code>{suffix!s}</code> for unit {name!s}.")
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return (title,
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description.format(name=name, command=command, suffix=suffix) + " " + diagnostic
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)
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return None
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def run():
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"""
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Setup systemd services
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"""
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cfg = libcalamares.job.configuration
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# note that the "systemctl enable" and "systemctl disable" commands used
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# here will work in a chroot; in fact, they are the only systemctl commands
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# that support that, see:
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# http://0pointer.de/blog/projects/changing-roots.html
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r = systemctl(cfg.get("services", []), "enable", ".service")
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if r is not None:
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return r
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r = systemctl(cfg.get("targets", []), "enable", ".target")
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if r is not None:
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return r
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r = systemctl(cfg.get("disable", []), "disable", ".service")
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if r is not None:
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return r
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r = systemctl(cfg.get("disable-targets", []), "disable", ".target")
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if r is not None:
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return r
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r = systemctl(cfg.get("mask", []), "mask", "")
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if r is not None:
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return r
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return None
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