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wlan.py
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# -*- coding: utf-8 -*-
# Copyright (c) 2012 Sebastian Bechtel
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014 Sebastian Kricner
# Copyright (c) 2014 Sean Vig
# Copyright (c) 2014 Tycho Andersen
# Copyright (c) 2014 Craig Barnes
# Copyright (c) 2015 farebord
# Copyright (c) 2015 Jörg Thalheim (Mic92)
# Copyright (c) 2016 Juhani Imberg
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from . import base
from libqtile.log_utils import logger
try:
from pythonwifi.iwlibs import Wireless, Iwstats
def get_status(interface_name):
interface = Wireless(interface_name)
try:
stats = Iwstats(interface_name)
except IOError:
return None, None
quality = stats.qual.quality
essid = interface.getEssid()
return essid, quality
except ImportError:
import iwlib
def get_status(interface_name):
interface = iwlib.get_iwconfig(interface_name)
if 'stats' not in interface:
return None, None
quality = interface['stats']['quality']
essid = bytes(interface['ESSID']).decode()
return essid, quality
class Wlan(base.InLoopPollText):
"""Displays Wifi ssid and quality"""
orientations = base.ORIENTATION_HORIZONTAL
defaults = [
('interface', 'wlan0', 'The interface to monitor'),
('update_interval', 1, 'The update interval.'),
(
'disconnected_message',
'Disconnected',
'String to show when the wlan is diconnected.'
),
(
'format',
'{essid} {quality}/70',
'Display format. For percents you can use "{essid} {percent:2.0%}"'
)
]
def __init__(self, **config):
base.InLoopPollText.__init__(self, **config)
self.add_defaults(Wlan.defaults)
def poll(self):
try:
essid, quality = get_status(self.interface)
disconnected = essid is None
if disconnected:
return self.disconnected_message
return self.format.format(
essid=essid,
quality=quality,
percent=(quality / 70)
)
except EnvironmentError:
logger.error(
'%s: Probably your wlan device is switched off or '
' otherwise not present in your system.',
self.__class__.__name__)