From 54ed2d32f9e53a3d90b282472070e6151a10adaf Mon Sep 17 00:00:00 2001 From: Guido van Rossum Date: Mon, 15 Jul 2002 16:08:10 +0000 Subject: [PATCH] Clarify that the description of sys.path[0] is only valid upon program start-up. --- Doc/lib/libsys.tex | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Doc/lib/libsys.tex b/Doc/lib/libsys.tex index 76aaefd9250..4aa2d4a14ec 100644 --- a/Doc/lib/libsys.tex +++ b/Doc/lib/libsys.tex @@ -282,10 +282,11 @@ else: \begin{datadesc}{path} \indexiii{module}{search}{path} A list of strings that specifies the search path for modules. - Initialized from the environment variable \envvar{PYTHONPATH}, or an + Initialized from the environment variable \envvar{PYTHONPATH}, plus an installation-dependent default. - The first item of this list, \code{path[0]}, is the directory + As initialized upon program startup, + the first item of this list, \code{path[0]}, is the directory containing the script that was used to invoke the Python interpreter. If the script directory is not available (e.g. if the interpreter is invoked interactively or if the script is read from @@ -293,6 +294,8 @@ else: Python to search modules in the current directory first. Notice that the script directory is inserted \emph{before} the entries inserted as a result of \envvar{PYTHONPATH}. + + A program is free to modify this list for its own purposes. \end{datadesc} \begin{datadesc}{platform}