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Add context menu extension for Nautilus (#1712)
Closes #1092
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| # Copyright (C) 2022 Sebastian Wiesner <sebastian@swsnr.de> | ||
| # | ||
| # This program is free software; you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation; either version 2 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License along | ||
| # with this program; if not, write to the Free Software Foundation, Inc., | ||
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
|
|
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| import os.path | ||
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| from gi import require_version | ||
| require_version('Nautilus', '3.0') | ||
| from gi.repository import Nautilus, GObject, Gio, GLib | ||
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| class OpenInWezTermAction(GObject.GObject, Nautilus.MenuProvider): | ||
| def __init__(self): | ||
| super().__init__() | ||
| session = Gio.bus_get_sync(Gio.BusType.SESSION, None) | ||
| self._systemd = None | ||
| # Check if the this system runs under systemd, per sd_booted(3) | ||
| if os.path.isdir('/run/systemd/system/'): | ||
| self._systemd = Gio.DBusProxy.new_sync(session, | ||
| Gio.DBusProxyFlags.NONE, | ||
| None, | ||
| "org.freedesktop.systemd1", | ||
| "/org/freedesktop/systemd1", | ||
| "org.freedesktop.systemd1.Manager", None) | ||
|
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| def _open_terminal(self, path): | ||
| cmd = ['wezterm', 'start', '--cwd', path] | ||
| child = Gio.Subprocess.new(cmd, Gio.SubprocessFlags.NONE) | ||
| if self._systemd: | ||
| # Move new terminal into a dedicated systemd scope to make systemd | ||
| # track the terminal separately; in particular this makes systemd | ||
| # keep a separate CPU and memory account for Wezterm which in turn | ||
| # ensures that oomd doesn't take nautilus down if a process in | ||
| # wezterm consumes a lot of memory. | ||
| pid = int(child.get_identifier()) | ||
| props = [("PIDs", GLib.Variant('au', [pid])), | ||
| ('CollectMode', GLib.Variant('s', 'inactive-or-failed'))] | ||
| name = f'app-nautilus-org.wezfurlong.wezterm-{pid}.scope' | ||
| args = GLib.Variant('(ssa(sv)a(sa(sv)))', (name, 'fail', props, [])) | ||
| self._systemd.call_sync('StartTransientUnit', args, | ||
| Gio.DBusCallFlags.NO_AUTO_START, 500, None) | ||
|
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| def _menu_item_activated(self, _menu, paths): | ||
| for path in paths: | ||
| self._open_terminal(path) | ||
|
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| def _make_item(self, name, paths): | ||
| item = Nautilus.MenuItem(name=name, label='Open in WezTerm', | ||
| icon='org.wezfurlong.wezterm') | ||
| item.connect('activate', self._menu_item_activated, paths) | ||
| return item | ||
|
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| def _paths_to_open(self, files): | ||
| paths = [] | ||
| for file in files: | ||
| location = file.get_location() if file.is_directory() else file.get_parent_location() | ||
| path = location.get_path() | ||
| if path and path not in paths: | ||
| paths.append(path) | ||
| if 10 < len(paths): | ||
| # Let's not open anything if the user selected a lot of directories, | ||
| # to avoid accidentally spamming their desktop with dozends of | ||
| # new windows or tabs. Ten is a totally arbitrary limit :) | ||
| return [] | ||
| else: | ||
| return paths | ||
|
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| def get_file_items(self, window, files): | ||
| paths = self._paths_to_open(files) | ||
| if paths: | ||
| return [self._make_item(name='WezTermNautilus::open_in_wezterm', paths=paths)] | ||
| else: | ||
| return [] | ||
|
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| def get_background_items(self, window, file): | ||
| paths = self._paths_to_open([file]) | ||
| if paths: | ||
| return [self._make_item(name='WezTermNautilus::open_folder_in_wezterm', paths=paths)] | ||
| else: | ||
| return [] |
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