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import fcntl
import os
import sys
def _shout_stdout_py3(size):
nwritten = sys.stdout.write('A' * size)
return nwritten
def _shout_stdout_py2(size):
shout = 'A' * size
nwritten = 0
while nwritten < size:
nwritten += os.write(sys.stdout.fileno(), shout[-nwritten:])
return nwritten
def shout_stdout(size):
if sys.version_info > (3, 0):
return _shout_stdout_py3(size)
else:
return _shout_stdout_py2(size)
def file_is_blocking(fobj):
return not (fcntl.fcntl(fobj.fileno(), fcntl.F_GETFL) & os.O_NONBLOCK)
def stdio_is_blocking():
return [file_is_blocking(f) for f in [sys.stdin, sys.stdout, sys.stderr]]
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