Not a question, but a quick note about a problem that sometimes pops up in
forums, that is how to detect on Linux if standard input (or any I/O
stream) is via pipe. My suggestion is to check if the stream is a FIFO, if
True it is a pipe, otherwise not a pipe
The solution that sometimes is proposed, that is
if not sys.stdin.isatty()
simply checks if the input is not from a terminal, but it may be from a
file, not only from a pipe.
import os
import sys
import stat
def check_if_stream_is_pipe(ifile):
return stat.S_ISFIFO(os.fstat(ifile.fileno()).st_mode)
print(check_if_stream_is_pipe(sys.stdin))
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