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178
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1 import os
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2 import shlex
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3 import subprocess
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4 import sys
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5
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179
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6 def ps(arg='axwww'):
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178
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7 retval = []
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179
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8 process = subprocess.Popen(['ps', arg], stdout=subprocess.PIPE)
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178
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9 stdout, _ = process.communicate()
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10 header = None
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11 for line in stdout.splitlines():
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12 line = line.strip()
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13 if header is None:
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14 # first line is the header
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15 header = line.split()
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16 continue
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17 split = line.split(None, len(header)-1)
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18 process_dict = dict(zip(header, split))
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19 retval.append(process_dict)
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20 return retval
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21
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22 def running_processes(name):
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23 """
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24 returns a list of
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25 {'PID': PID of process (int)
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26 'command': command line of process (list)}
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27 with the executable named `name`
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28 """
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29 retval = []
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30 for process in ps():
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31 command = process['COMMAND']
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32 command = shlex.split(command)
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33 prog = command[0]
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34 basename = os.path.basename(prog)
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35 if basename == name:
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36 retval.append((int(process['PID']), command))
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37 return retval
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38
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39 if __name__ == '__main__':
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40 for arg in sys.argv[1:]:
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41 processes = running_processes(arg)
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42 for pid, command in processes:
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43 print '%s %s : %s' % (pid, arg, command)
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