gecko-dev/config/run-and-prefix.py
Gregory Szorc 32bab4f00f Bug 1455120 - Prefix output from automation tiers; r=mshal
We add a minimal Python script to run a process and prefix all its
output with a string. We change the automation tiers to evaluate all
make targets using this script.

MozReview-Commit-ID: 79g5KUd5ked

--HG--
extra : rebase_source : 63388a71b51e5abc05ca8bd48e180af72bf799e6
2018-04-18 14:30:05 -07:00

36 lines
950 B
Python

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