systool.py
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import argparse
import sys
import os
import signal
def killpidfromfile():
"""deprecated: use below kill() instead"""
if len(sys.argv) != 3:
raise ValueError('Invocation: %s <pidfile> <signal name>' % sys.argv[0])
file = sys.argv[1]
sig = getattr(signal, sys.argv[2], None)
if sig is None:
raise ValueError('Unknown signal name %s' % sys.argv[2])
pid = int(open(file).read())
print 'Killing pid %s with signal %s' % (pid, sys.argv[2])
os.kill(pid, sig)
def sublist(a, b):
try:
i = a.index(b[0])
except IndexError:
return True
except ValueError:
return False
return a[i:i+len(b)] == b
def kill():
parser = argparse.ArgumentParser()
_ = parser.add_argument
_('--exe', action='append',
help="match against executable path")
_('-f', '--full', action='store_true',
help="match positional arguments against the full command line")
_('-F', '--pidfile', action='append',
help="read PID's from file")
_('-n', '--name', action='append',
help="match against process name")
_('-s', '--signal', required=True,
help="signal to send to each matched process")
_('arg', nargs='*',
help="match against command line")
args = parser.parse_args()
try:
s = args.signal.split('+', 1)
s = getattr(signal, "SIG" + s[0]) + (len(s) > 1 and int(s[1]))
except (AttributeError, ValueError):
parser.error('Unknown signal name %s' % args.signal)
pid = args.pidfile and [int(open(p).read()) for p in args.pidfile]
exe = args.exe and map(os.path.realpath, args.exe)
import psutil
r = 1
me = os.getpid()
for p in psutil.process_iter():
try:
if (me == p.pid or
pid and p.pid not in pid or
args.name and p.name() not in args.name or
exe and p.exe() not in exe):
continue
cmdline = p.cmdline()
if cmdline == args.arg if args.full else sublist(cmdline, args.arg):
p.send_signal(s)
print 'killed pid %s with signal %s' % (p.pid, args.signal)
r = 0
except psutil.Error:
pass
return r