From 5b80cb5584a72044424f2d82d0ae79c720f24c47 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Fri, 29 Mar 2019 22:38:14 -0700 Subject: [PATCH] bpo-17110: doc: add note how to get bytes from sys.argv (GH-12602) (cherry picked from commit 38f4e468d4b55551e135c67337c18ae142193ba8) Co-authored-by: Inada Naoki --- Doc/library/sys.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index ace0e2808b18..c2c653e00beb 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 -- 2.47.3