view tests/testlib/sigpipe-worker.py @ 49782:cafe34655335 stable

hghave: detect Python 3.10 and 3.11 as well Noticed because test-contrib-relnotes.t was skipped.
author Anton Shestakov <av6@dwimlabs.net>
date Sun, 11 Dec 2022 16:44:50 +0400
parents 6000f5b25c9b
children
line wrap: on
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#!/usr/bin/env python3
#
# This is literally `cat` but in python, one char at a time.
#
# see sigpipe-remote.py for details.

import io
import os
import sys


if isinstance(sys.stdout.buffer, io.BufferedWriter):
    print('SIGPIPE-WORKER: script need unbuffered output', file=sys.stderr)
    sys.exit(255)

while True:
    c = os.read(sys.stdin.fileno(), 1)
    os.write(sys.stdout.fileno(), c)