/
__init__.py
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/
__init__.py
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# coding=utf-8
# pystray
# Copyright (C) 2016-2022 Moses Palmér
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
def backend():
"""Returns the backend module.
"""
def dummy():
from . import _dummy as backend; return backend
def appindicator():
from . import _appindicator as backend; return backend
def darwin():
from . import _darwin as backend; return backend
def gtk():
from . import _gtk as backend; return backend
def win32():
from . import _win32 as backend; return backend
def xorg():
from . import _xorg as backend; return backend
backends = {b.__name__: b for b in (
dummy, appindicator, darwin, gtk, win32, xorg)}
backend_name = os.environ.get('PYSTRAY_BACKEND', None)
if backend_name:
try:
candidates = [backends[backend_name]]
except KeyError as e:
raise ImportError('unknown backend: {}'.format(e))
elif sys.platform == 'darwin':
candidates = [darwin]
elif sys.platform == 'win32':
candidates = [win32]
else:
candidates = [appindicator, gtk, xorg]
errors = []
for candidate in candidates:
try:
return candidate()
except ImportError as e:
errors.append(e)
raise ImportError('this platform is not supported: {}'.format(
'; '.join(str(e) for e in errors)))
Icon = backend().Icon
del backend
from ._base import Menu, MenuItem