-==> Release 1.
1.1 (10 Nov 1994) <==
-This is a pure bugfix release again. See the ChangeLog file for details.
-One exception: a few new features were added to tkinter.
+- Most known bugs have been fixed. For example the pow(2,2,3L) bug on
+Linux has been fixed. Also the re-entrancy problems with __del__ have
+- Most known memory leaks have been fixed.
-==> Release 1.1 (11 Oct 1994) <==
+- Phase 2 of the Great Renaming has been executed. The header files
+now use the new names (PyObject instead of object, etc.). The linker
+also sees the new names. Most source files still use the old names,
+by virtue of the rename2.h header file. If you include Python.h, you
+only see the new names. Dynamically linked modules have to be
-This release adds several new features, improved configuration and
-portability, and fixes more bugs than I can list here (including some
+- The hooks for implementing "safe-python" (better called "restricted
+execution") are in place. Specifically, the import statement is
+implemented by calling the built-in function __import__, and the
+built-in names used in a particular scope are taken from the
+dictionary __builtins__ in that scope's global dictionary. See also
+the new module rexec.py.
-The source compiles and runs out of the box on more platforms than
-ever -- including Windows NT. Makefiles or projects for a variety of
-non-UNIX platforms are provided.
+- The import statement now supports the syntax "import a.b.c" and
+"from a.b.c import name". No meaningful implementation exists, but
+one can be prototyped by replacing the built-in __import__ function.
-APOLOGY: some new features are badly documented or not at all. I had
-the choice -- postpone the new release indefinitely, or release it
-now, with working code but some undocumented areas. The problem with
-postponing the release is that people continue to suffer from existing
-bugs, and send me patches based on the previous release -- which I
-can't apply directly because my own source has changed. Also, some
-new modules (like signal) have been ready for release for quite some
-time, and people are anxiously waiting for them. In the case of
-signal, the interface is simple enough to figure out without
-documentation (if you're anxious enough :-). In this case it was not
-simple to release the module on its own, since it relies on many small
-patches elsewhere in the source.
+- All machinery used by the import statement (or the built-in
+__import__ function) is now exposed through the new built-in module
+"imp". All dynamic loading machinery is moved to the new file
-For most new Python modules, the source code contains comments that
-explain how to use them. Documentation for the Tk interface, written
-by Matt Conway, is available as tkinter-doc.tar.gz from the Python
-home and mirror ftp sites (see Misc/FAQ for ftp addresses). For the
-new operator overloading facilities, have a look at Demo/classes:
-Complex.py and Rat.py show how to implement a numeric type without and
-with __coerce__ method. Also have a look at the end of the Tutorial
-document (Doc/tut.tex). If you're still confused: use the newsgroup
+- Persistent storage is supported through the use of the module
+"pickle" and "shelve" (implemented in Python). Read the .py files for
+more info. There's also a "copy" module implementing deepcopy and
+normal (shallow) copy operations.
+- Documentation strings for many objects types are accessible through
+the __doc__ attribute. Modules, classes and functions support special
+syntax to initialize the __doc__ attribute: if the first statement
+consists of just a string literal, that string literal becomes the
+value of the __doc__ attribute. The default __doc__ attribute is
+None. Documentation strings are also supported for built-in
+functions, types and modules; however this feature hasn't been widely
+used yet. See the 'new' module for an example.
+- The __coerce__ and __cmp__ methods for user-defined classes once
+again work as expected. As an example, there's a new standard class
- - More flexible operator overloading for user-defined classes
- (INCOMPATIBLE WITH PREVIOUS VERSIONS!) See end of tutorial.
+- The functions posix.popen() and posix.fdopen() now have an optional
+third argument to specify the buffer size, and default their second
+(mode) argument to 'r' -- in analogy to the builtin open() function.
- - Classes can define methods named __getattr__, __setattr__ and
- __delattr__ to trap attribute accesses. See end of tutorial.
+- Improved support for the Apple Macintosh, e.g. interfaces to (a few)
+resource mananger functions, get/set file type and creator, gestalt,
+sound manager, speech manager, MacTCP, comm toolbox, and the think C
+console library. (Sorry, no Mac binary yet. Will try to produce one
+shortly, plus instructions on how to compile with THINK C 6.0.)
- - Classes can define method __call__ so instances can be called
- directly. See end of tutorial.
- - The Makefiles (for the base interpreter as well as for extensions)
- now support creating dynamically loadable modules if the platform
- supports shared libraries.
- - Passing the interpreter a .pyc file as script argument will execute
- the code in that file. (On the Mac such files can be double-clicked!)
- - New Freeze script, to create independently distributable "binaries"
- of Python programs -- look in Demo/freeze
- - Improved h2py script (in Demo/scripts) follows #includes and
- supports macros with one argument
- - New module compileall generates .pyc files for all modules in a
- directory (tree) without also executing them
- - Threads should work on more platforms
- - tkinter (support for Tcl's Tk widget set) is now part of the base
- - signal allows catching or ignoring UNIX signals (unfortunately still
- undocumented -- any taker?)
- - termios provides portable access to POSIX tty settings
- - curses provides an interface to the System V curses library
- - syslog provides an interface to the (BSD?) syslog daemon
- - 'new' provides interfaces to create new built-in object types
- (e.g. modules and functions)
- - sybase provides an interface to SYBASE database
-New/obsolete built-in methods:
- - callable(x) tests whether x can be called
- - sockets now have a setblocking() method
- - sockets no longer have an allowbroadcast() method
- - socket methods send() and sendto() return byte count
-New standard library modules:
- - types.py defines standard names for built-in types, e.g. StringType
- - urlparse.py parses URLs according to the latest Internet draft
- - uu.py does uuencode/uudecode (not the fastest in the world, but
- quicker than installing uuencode on a non-UNIX machine :-)
- - New, faster and more powerful profile module.py
- - mhlib.py provides interface to MH folders and messages
-New facilities for extension writers (unfortunately still
- - newgetargs() supports optional arguments and improved error messages
- - O!, O& O? formats for getargs allow more versatile type checking of
- - can register pending asynchronous callback, to be called the next
- time the Python VM begins a new instruction (Py_AddPendingCall)
- - can register cleanup routines to be called when Python exits
- - makesetup script understands C++ files in Setup file (use file.C
- - Make variable OPT is passed on to sub-Makefiles
- - An init<module>() routine may signal an error by not entering
- the module in the module table and raising an exception instead
- - For long module names, instead of foobarbletchmodule.c you can
- - getintvalue() and getfloatvalue() try to convert any object
- instead of requiring an "intobject" or "floatobject"
- - All the [new]getargs() formats that retrieve an integer value
- will now also work if a float is passed
- - C function listtuple() converts list to tuple, fast
- - You should now call sigcheck() instead of intrcheck();
- sigcheck() also sets an exception when it returns nonzero
+- Used autoconf 2.0 to generate the configure script. Adapted
+configure.in to use the new features in autoconf 2.0.
--Guido van Rossum, CWI, Amsterdam <Guido.van.Rossum@cwi.nl>