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# -*- coding: utf-8 -*-
"""
Module for showing current keyboard layout.
Requires:
- xkblayout-state
or
- setxkbmap
@author shadowprince
@license Eclipse Public License
"""
from subprocess import check_output
from time import time
import shlex
import re
# colors of layouts, check your command's output to match keys
LANG_COLORS = {
'fr': '#268BD2', # solarized blue
'ru': '#F75252', # red
'ua': '#FCE94F', # yellow
'us': '#729FCF', # light blue
}
LAYOUT_RE = re.compile(r".*layout:\s*(\w+).*", flags=re.DOTALL)
def xbklayout():
"""
check using xkblayout-state (preferred method)
"""
return check_output(
["xkblayout-state", "print", "%s"]
).decode('utf-8')
def setxkbmap():
"""
check using setxkbmap >= 1.3.0
Please read issue 33 for more information :
https://github.com/ultrabug/py3status/pull/33
"""
out = check_output(shlex.split("setxkbmap -query")).decode("utf-8")
return re.match(LAYOUT_RE, out).group(1)
class Py3status:
# available configuration parameters
cache_timeout = 10
color = ''
def __init__(self):
"""
find the best implementation to get the keyboard's layout
"""
try:
xbklayout()
except:
self.command = setxkbmap
else:
self.command = xbklayout
def keyboard_layout(self, i3s_output_list, i3s_config):
response = {
'cached_until': time() + self.cache_timeout,
'full_text': ''
}
lang = self.command().strip()
lang_color = self.color if self.color else LANG_COLORS.get(lang)
response['full_text'] = lang or '??'
if lang_color:
response['color'] = lang_color
return response
if __name__ == "__main__":
"""
Test this module by calling it directly.
"""
from time import sleep
x = Py3status()
while True:
print(x.keyboard_layout([], {}))
sleep(1)
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