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#!/usr/bin/env python2
from __future__ import print_function
import os
import signal
import struct
import sys
def output(line):
sys.stdout.write(struct.pack("@I", len(line)))
sys.stdout.write(line)
sys.stdout.flush()
def echo_loop():
while True:
line = sys.stdin.readline()
if not line:
break
output(line)
if sys.platform == "win32":
import msvcrt
msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
cmd = sys.argv[1]
if cmd == "echo":
echo_loop()
elif cmd == "exit":
sys.exit(int(sys.argv[2]))
elif cmd == "env":
for var in sys.argv[2:]:
output(os.environ.get(var, "!"))
elif cmd == "pwd":
output(os.path.abspath(os.curdir))
elif cmd == "print_args":
for arg in sys.argv[2:]:
output(arg)
elif cmd == "ignore_sigterm":
signal.signal(signal.SIGTERM, signal.SIG_IGN)
output("Ready")
while True:
try:
signal.pause()
except AttributeError:
import time
time.sleep(3600)
elif cmd == "print":
sys.stdout.write(sys.argv[2])
sys.stderr.write(sys.argv[3])
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