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37 lines
850 B
Python
37 lines
850 B
Python
#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# This script runs a process and prefixes its output with.
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# Usage: run-and-prefix.py prefix command arg0 argv1...
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import os
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import subprocess
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import sys
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sys.stdout = os.fdopen(sys.stdout.fileno(), "wb", 0)
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sys.stderr = os.fdopen(sys.stderr.fileno(), "wb", 0)
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prefix = sys.argv[1].encode("utf-8")
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args = sys.argv[2:]
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p = subprocess.Popen(
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args,
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bufsize=0,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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stdin=sys.stdin.fileno(),
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close_fds=False,
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)
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while True:
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data = p.stdout.readline()
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if data == b"":
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break
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sys.stdout.write(b"%s> %s" % (prefix, data))
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sys.exit(p.wait())
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