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71 lines
1.6 KiB
Python
71 lines
1.6 KiB
Python
#! /usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2016-2018 (ita)
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import os, sys, traceback, base64, signal
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try:
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import cPickle
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except ImportError:
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import pickle as cPickle
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try:
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import subprocess32 as subprocess
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except ImportError:
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import subprocess
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try:
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TimeoutExpired = subprocess.TimeoutExpired
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except AttributeError:
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class TimeoutExpired(Exception):
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pass
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def run():
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txt = sys.stdin.readline().strip()
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if not txt:
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# parent process probably ended
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sys.exit(18)
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[cmd, kwargs, cargs] = cPickle.loads(base64.b64decode(txt))
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cargs = cargs or {}
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if not 'close_fds' in kwargs:
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# workers have no fds
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kwargs['close_fds'] = False
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ret = 1
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out, err, ex, trace = (None, None, None, None)
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try:
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proc = subprocess.Popen(cmd, **kwargs)
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try:
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out, err = proc.communicate(**cargs)
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except TimeoutExpired:
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if kwargs.get('start_new_session') and hasattr(os, 'killpg'):
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os.killpg(proc.pid, signal.SIGKILL)
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else:
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proc.kill()
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out, err = proc.communicate()
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exc = TimeoutExpired(proc.args, timeout=cargs['timeout'], output=out)
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exc.stderr = err
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raise exc
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ret = proc.returncode
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except Exception as e:
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exc_type, exc_value, tb = sys.exc_info()
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exc_lines = traceback.format_exception(exc_type, exc_value, tb)
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trace = str(cmd) + '\n' + ''.join(exc_lines)
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ex = e.__class__.__name__
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# it is just text so maybe we do not need to pickle()
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tmp = [ret, out, err, ex, trace]
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obj = base64.b64encode(cPickle.dumps(tmp))
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sys.stdout.write(obj.decode())
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sys.stdout.write('\n')
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sys.stdout.flush()
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while 1:
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try:
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run()
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except KeyboardInterrupt:
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break
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except Exception:
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traceback.print_exc(file=sys.stderr)
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sys.exit(19)
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