/usr/bin/gnome-shell-extension-tool is in gnome-shell 3.18.4-0ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | #!/usr/bin/python3
# -*- mode: Python; indent-tabs-mode: nil; -*-
import os
import re
import socket
import subprocess
import sys
import optparse
import tempfile
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
print('The Python simplejson module is required')
sys.exit(1)
from gi.repository import Gio
SAMPLE_EXTENSION_FILES = {
"extension.js": """
const St = imports.gi.St;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
let text, button;
function _hideHello() {
Main.uiGroup.remove_actor(text);
text = null;
}
function _showHello() {
if (!text) {
text = new St.Label({ style_class: 'helloworld-label', text: "Hello, world!" });
Main.uiGroup.add_actor(text);
}
text.opacity = 255;
let monitor = Main.layoutManager.primaryMonitor;
text.set_position(monitor.x + Math.floor(monitor.width / 2 - text.width / 2),
monitor.y + Math.floor(monitor.height / 2 - text.height / 2));
Tweener.addTween(text,
{ opacity: 0,
time: 2,
transition: 'easeOutQuad',
onComplete: _hideHello });
}
function init() {
button = new St.Bin({ style_class: 'panel-button',
reactive: true,
can_focus: true,
x_fill: true,
y_fill: false,
track_hover: true });
let icon = new St.Icon({ icon_name: 'system-run-symbolic',
style_class: 'system-status-icon' });
button.set_child(icon);
button.connect('button-press-event', _showHello);
}
function enable() {
Main.panel._rightBox.insert_child_at_index(button, 0);
}
function disable() {
Main.panel._rightBox.remove_child(button);
}
""",
"stylesheet.css": """
.helloworld-label {
font-size: 36px;
font-weight: bold;
color: #ffffff;
background-color: rgba(10,10,10,0.7);
border-radius: 5px;
padding: .5em;
}
""",
}
def create_extension():
print()
print('''Name should be a very short (ideally descriptive) string.
Examples are: "Click To Focus", "Adblock", "Shell Window Shrinker".
''')
name = input('Name: ').strip()
print()
print('''Description is a single-sentence explanation of what your extension does.
Examples are: "Make windows visible on click", "Block advertisement popups"
"Animate windows shrinking on minimize"
''')
description = input('Description: ').strip()
underifier = re.compile('[^A-Za-z]')
sample_uuid = underifier.sub('_', name)
# TODO use evolution data server
hostname = socket.gethostname()
sample_uuid = sample_uuid + '@' + hostname
print()
print('''Uuid is a globally-unique identifier for your extension.
This should be in the format of an email address (foo.bar@extensions.example.com), but
need not be an actual email address, though it's a good idea to base the uuid on your
email address. For example, if your email address is janedoe@example.com, you might
use an extension title clicktofocus@janedoe.example.com.''')
uuid = input('Uuid [%s]: ' % (sample_uuid, )).strip()
if uuid == '':
uuid = sample_uuid
extension_path = os.path.join(os.path.expanduser('~/.local'), 'share', 'gnome-shell', 'extensions', uuid)
if os.path.exists(extension_path):
print("Extension path %r already exists" % (extension_path, ))
sys.exit(0)
os.makedirs(extension_path)
meta = { 'name': name,
'description': description,
'uuid': uuid,
'shell-version': ['3.18.4'] }
f = open(os.path.join(extension_path, 'metadata.json'), 'w')
try:
json.dump(meta, f)
except AttributeError:
# For Python versions older than 2.6, try using the json-py module
f.write(json.write(meta) + '\n')
f.close()
for filename, contents in SAMPLE_EXTENSION_FILES.items():
path = os.path.join(extension_path, filename)
f = open(path, 'w')
f.write(contents)
f.close()
print("Created extension in %r" % (extension_path, ))
extensionjs_path = os.path.join(extension_path, 'extension.js')
subprocess.Popen(['xdg-open', extensionjs_path])
ENABLED_EXTENSIONS_KEY = 'enabled-extensions'
def enable_extension(uuid):
settings = Gio.Settings(schema='org.gnome.shell')
extensions = settings.get_strv(ENABLED_EXTENSIONS_KEY)
if uuid in extensions:
print("%r is already enabled." % (uuid,), file=sys.stderr)
sys.exit(1)
extensions.append(uuid)
settings.set_strv(ENABLED_EXTENSIONS_KEY, extensions)
print("%r is now enabled." % (uuid,), file=sys.stderr)
def disable_extension(uuid):
settings = Gio.Settings(schema='org.gnome.shell')
extensions = settings.get_strv(ENABLED_EXTENSIONS_KEY)
if uuid not in extensions:
print("%r is not enabled or installed." % (uuid,), file=sys.stderr)
sys.exit(1)
# Use a while loop here to remove *all* mentions instances
# of the extension. Some faulty tools like to append more than one.
while uuid in extensions:
extensions.remove(uuid)
settings.set_strv(ENABLED_EXTENSIONS_KEY, extensions)
print("%r is now disabled." % (uuid,), file=sys.stderr)
def main():
parser = optparse.OptionParser()
parser.add_option("-d", "--disable-extension", dest="disable",
help="Disable a GNOME Shell extension")
parser.add_option("-e", "--enable-extension", dest="enable",
help="Enable a GNOME Shell extension")
parser.add_option("-c", "--create-extension", dest="create", action="store_true",
help="Create a new GNOME Shell extension")
options, args = parser.parse_args()
if args:
parser.print_usage()
sys.exit(1)
if options.disable:
disable_extension(options.disable)
elif options.enable:
enable_extension(options.enable)
elif options.create:
create_extension()
else:
parser.print_usage()
sys.exit(1)
if __name__ == "__main__":
main()
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