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Clarify that the description of sys.path[0] is only valid upon program 

start-up.
This commit is contained in:
Guido van Rossum 2002-07-15 16:08:10 +00:00
parent 754140e163
commit 54ed2d32f9
1 changed files with 5 additions and 2 deletions
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7
Doc/lib/libsys.tex
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@ -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}