Reading binary data from stdin

by

From the docs (see here):

The standard streams are in text mode
by default. To write or read binary
data to these, use the underlying
binary buffer. For example, to write
bytes to stdout, use
sys.stdout.buffer.write(b'abc').

But, as in the accepted answer, invoking python with a -u is another option which forces stdin, stdout and stderr to be totally unbuffered. See the python(1) manpage for details.

See the documentation on io for more information on text buffering, and use sys.stdin.detach() to disable buffering from within Python.

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