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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
#!/usr/bin/env python3
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# Copyright 2020 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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Launcher for the foozzie differential-fuzzing harness. Wraps foozzie
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with Python2 for backwards-compatibility when bisecting.
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Obsolete now after switching to Python3 entirely. We keep the launcher
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for a transition period.
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"""
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import re
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import shutil
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import subprocess
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import sys
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def find_harness_code(args):
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for arg in args:
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if arg.endswith('v8_foozzie.py'):
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with open(arg) as f:
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return f.read()
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assert False, 'Foozzie harness not found'
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if __name__ == '__main__':
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# In some cases or older versions, the python executable is passed as
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# first argument. Let's be robust either way, with or without full
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# path or version.
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if re.match(r'.*python.*', sys.argv[1]):
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args = sys.argv[2:]
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else:
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args = sys.argv[1:]
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python_exe = 'python3'
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# To ease bisection of really old bugs, attempt to use Python2 as long
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# as it is supported. This enables bisection before the point where the
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# harness switched to Python3.
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script = find_harness_code(args)
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use_python3 = script.startswith('#!/usr/bin/env python3')
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if not use_python3 and shutil.which('python2'):
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python_exe = 'python2'
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process = subprocess.Popen([python_exe] + args)
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process.communicate()
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sys.exit(process.returncode)
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