From 38f4e468d4b55551e135c67337c18ae142193ba8 Mon Sep 17 00:00:00 2001 From: Inada Naoki Date: Sat, 30 Mar 2019 14:32:08 +0900 Subject: bpo-17110: doc: add note how to get bytes from sys.argv (GH-12602) --- Doc/library/sys.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 0fa5bd4..52026f6 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -30,6 +30,12 @@ always available. To loop over the standard input, or the list of files given on the command line, see the :mod:`fileinput` module. + .. note:: + On Unix, command line arguments are passed by bytes from OS. Python decodes + them with filesystem encoding and "surrogateescape" error handler. + When you need original bytes, you can get it by + ``[os.fsencode(arg) for arg in sys.argv]``. + .. data:: base_exec_prefix -- cgit v0.12