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Fix PEP 302 description; bump version number

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Andrew M. Kuchling 2003-01-02 21:33:15 +00:00
parent 397301eccb
commit d5ac8d0b39
1 changed files with 17 additions and 10 deletions
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Doc/whatsnew/whatsnew23.tex
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@ -2,7 +2,7 @@
% $Id$ % $Id$
\title{What's New in Python 2.3} \title{What's New in Python 2.3}
\release{0.06} \release{0.07}
\author{A.M. Kuchling} \author{A.M. Kuchling}
\authoraddress{\email{amk@amk.ca}} \authoraddress{\email{amk@amk.ca}}
@ -717,9 +717,11 @@ Gordon McMillan's \module{iu} module. Three new items
are added to the \module{sys} module: are added to the \module{sys} module:
\begin{itemize} \begin{itemize}
\item \code{sys.path_hooks} is a list of functions. Each function \item \code{sys.path_hooks} is a list of callable objects; most
takes a string containing a path and returns either \code{None} or an often they'll be classes. Each callable takes a string containing
importer object that will handle imports from this path. a path and either returns an importer object that will handle imports
from this path or raises an \exception{ImportError} exception if it
can't handle this path.
\item \code{sys.path_importer_cache} caches importer objects for \item \code{sys.path_importer_cache} caches importer objects for
each path, so \code{sys.path_hooks} will only need to be traversed each path, so \code{sys.path_hooks} will only need to be traversed
@ -747,11 +749,16 @@ like this (simplified a bit; see \pep{302} for the full details):
for mp in sys.meta_path: for mp in sys.meta_path:
loader = mp(fullname) loader = mp(fullname)
if loader is not None: if loader is not None:
<module> = loader(fullname) <module> = loader.load_module(fullname)
for path in sys.path: for path in sys.path:
for hook in sys.path_hooks: for hook in sys.path_hooks:
importer = hook(path) try:
importer = hook(path)
except ImportError:
# ImportError, so try the other path hooks
pass
else:
if importer is not None: if importer is not None:
loader = importer.find_module(fullname) loader = importer.find_module(fullname)
<module> = loader.load_module(fullname) <module> = loader.load_module(fullname)
@ -2014,9 +2021,9 @@ name.
The author would like to thank the following people for offering The author would like to thank the following people for offering
suggestions, corrections and assistance with various drafts of this suggestions, corrections and assistance with various drafts of this
article: Simon Brunning, Michael Chermside, Scott David Daniels, article: Simon Brunning, Michael Chermside, Scott David Daniels,
Fred~L. Drake, Jr., Kelly Gerber, Raymond Hettinger, Michael Hudson, Detlef Lannert, Fred~L. Drake, Jr., Kelly Gerber, Raymond Hettinger, Michael Hudson,
Martin von L\"owis, Andrew MacIntyre, Lalo Martins, Gustavo Niemeyer, Detlef Lannert, Martin von L\"owis, Andrew MacIntyre, Lalo Martins,
Neal Norwitz, Chris Reedy, Vinay Sajip, Neil Schemenauer, Jason Gustavo Niemeyer, Neal Norwitz, Hans Nowak, Chris Reedy, Vinay Sajip,
Tishler. Neil Schemenauer, Jason Tishler, Just van~Rossum.
\end{document} \end{document}