Fight against zombies
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30de38aa1e
commit
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37
runall.py
37
runall.py
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@ -1,26 +1,31 @@
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from itertools import product
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import subprocess
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import signal
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from subprocess import DEVNULL, PIPE, Popen, TimeoutExpired
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chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ '
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# Prevent zombie processes
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signal.signal(signal.SIGCHLD, signal.SIG_IGN)
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def check_pair(script, instr, outstr):
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process = Popen(
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["/usr/bin/env", "bash", "-c", "--", script],
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stdin=PIPE,
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stdout=PIPE,
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stderr=DEVNULL,
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)
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try:
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result = subprocess.run(
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[
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"/usr/bin/env", "bash", "-c",
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";\n".join((
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# Cleanup child processes on exit
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"trap 'kill -9 $(jobs -p)' SIGINT SIGTERM EXIT",
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script,
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))
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],
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timeout=5,
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input=instr.encode(),
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capture_output=True,
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)
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return result.returncode == 0 and result.stdout == outstr.encode()
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except subprocess.TimeoutExpired:
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stdout, stderr = process.communicate(instr.encode(), timeout=5)
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return process.returncode == 0 and stdout == outstr.encode()
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except TimeoutExpired:
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try:
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process.kill()
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stdout, stderr = process.communicate()
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except ProcessLookupError:
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pass
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return False
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