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#!/usr/bin/env python3
'''
xpybar – xmobar replacement written in python
Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
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 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import sys
import threading
import subprocess
def async(target, name = None, group = None):
'''
Start a function asynchronously
@param target:()→void The function
@param name:str? The name of the thread
@return :Thread A running deamon-thread running `target`, with the name `name`
'''
t = threading.Thread(target = target, name = name)
t.setDaemon(True)
t.start()
return t
def spawn(*command):
'''
Spawn an external process
@param command:*str The command line
@return :istream The process's stdout
'''
proc = process.Popen(list(command), stderr = sys.stderr, stdout = PIPE)
return proc.stdout
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