Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv432/Doc/lib Modified Files: libweakref.tex Log Message: Add weakref support to sockets and re pattern objects. Index: libweakref.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libweakref.tex,v retrieving revision 1.24 retrieving revision 1.25 diff -C2 -d -r1.24 -r1.25 *** libweakref.tex 3 Feb 2004 20:55:15 -0000 1.24 --- libweakref.tex 31 May 2004 03:09:25 -0000 1.25 *************** *** 49,55 **** Not all objects can be weakly referenced; those objects which can include class instances, functions written in Python (but not in C), ! and methods (both bound and unbound). Extension types can easily ! be made to support weak references; see section \ref{weakref-extension}, ! ``Weak References in Extension Types,'' for more information. --- 49,69 ---- Not all objects can be weakly referenced; those objects which can include class instances, functions written in Python (but not in C), ! methods (both bound and unbound), sets, frozensets, file objects, ! sockets, arrays, deques, and regular expression pattern objects. ! \versionchanged[Added support for files, sockets, arrays, and patterns]{2.4} ! ! Several builtin types such as \class{list} and \class{dict} do not ! directly support weak references but can add support through subclassing: ! ! \begin{verbatim} ! class Dict(dict): ! pass ! ! obj = Dict(red=1, green=2, blue=3) # this object is weak referencable ! \end{verbatim} ! ! Extension types can easily be made to support weak references; see section ! \ref{weakref-extension}, ``Weak References in Extension Types,'' for more ! information.