diff options
Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/whatsnew23.tex | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/Doc/whatsnew/whatsnew23.tex b/Doc/whatsnew/whatsnew23.tex index 85a7972..96f9f5e 100644 --- a/Doc/whatsnew/whatsnew23.tex +++ b/Doc/whatsnew/whatsnew23.tex @@ -1286,7 +1286,7 @@ sometimes have odd bugs. Brett Cannon contributed a portable implementation that's written in pure Python, which should behave identically on all platforms. -\item The \module{UserDict) has a new \class{DictMixin} class which +\item The \module{UserDict} module has a new \class{DictMixin} class which defines all dictionary methods for classes that already have a minimum mapping interface. This greatly simplifies writing classes that need to be substitutable for dictionaries, such as the classes in @@ -1294,7 +1294,7 @@ the \module{shelve} module. Adding the mixin as a superclass provides the full dictionary interface whenever the class defines \method{__getitem__}, -\method{__setitem__}, \method{__delitem__), and \method{keys}. +\method{__setitem__}, \method{__delitem__}, and \method{keys}. For example: \begin{verbatim} @@ -1371,6 +1371,20 @@ stamps, or if they use the tuple API. If used, the feature should be activated on an application level instead of trying to enable it on a per-use basis. +\item The \module{Tkinter} module now works with a thread-enabled +version of Tcl. Tcl's threading model requires that widgets only be +accessed from the thread in which they're created; accesses from +another thread can cause Tcl to panic. For certain Tcl interfaces, +\module{Tkinter} will now automatically avoid this by marshalling a +command, passing it to the correct thread, and waiting for the results +when a widget is accessed from a different thread. Other interfaces +can't be handled automatically but \module{Tkinter} will now raise an +exception on such an access so that you can at least find out about +the problem. See +\url{http://mail.python.org/pipermail/python-dev/2002-December/031107.html} +for a more detailed explanation of this change. (Implemented by +Martin von L\"owis.) + \item Calling Tcl methods through \module{_tkinter} no longer returns only strings. Instead, if Tcl returns other objects those objects are converted to their Python equivalent, if one exists, or @@ -1392,7 +1406,7 @@ import Tkinter Tkinter.wantobjects = 0 \end{verbatim} -Please report any breakage caused by this change as a bug. +Any breakage caused by this change should be reported as a bug. \end{itemize} |