Jython 2.5.1 Release Notes
==========================

The following features have been added and bugs have been repaired for 2.5.1.  For a look at the complete roadmap for Jython along iwth links for the PEPs and other information, please look at the `roadmap`_:

New Features
------------
 - zxJDBC supports the with-statement: connections are committed or rollbacked; cursors are closed 
 - Upgraded to ANTLR 3.1.3
 - [ 1859477 ] Dynamically loaded ServletFilters like PyServlet
 - Built in JSR 223 scripting engine, with LiveTribe JSR 223 implementation for JDK 5
 - Jython "-J-classpath cp_args_here" now works as expected for unix shell.

Bugs Fixed
----------
 - [ 1466 ] wrong handling of append only files
 - [ 1079 ] fixed regression on issue: twisted.python.threadable module: missing attribute '_RLock'
 - [ 1461 ] assert statement should lookup AssertionError using getglobal
 - [ 1425 ] distutils/util.py assumes too much posix
 - [ 1457 ] Cannot write an array in a file opened in r+b mode.
 - [ 1382 ] __cmp__ on certain types raises ArrayStoreException
 - [ 1443 ] Can't update() hashlib.sha1() with array.array('c')
 - [ 1444 ] Can't zlib.compress() with array.array('c')
 - [ 1458 ] Builtin codecs aren't available without standard lib
 - [ 645615 ] cannot import through symbolic links
 - [ 1366 ] parsing of lamda expression fails
 - [ 1365 ] continuation lines fail in interactive interpreter
 - [ 1377 ] Event names shadowed by a field name on Java types leads to a NPE
 - [ 1381 ] Redundant declarations of interface implementation hides overriden methods
 - [ 1189 ] MD5 hash is incorrectly calculated when string contains non-latin chars and using python md5 lib
 - [ 1802339 ] Problem printing unicode when stdout intercepted
 - [ 1145 ] Jython 2.5 compatibility problem with JSR 223
 - [ 1400 ] Evaluating expression via JSR 223 ScriptEngine returns null instead of True/False
 - [ 1413 ] Array data type (PostgreSQL) is not supported (NPE)
 - [ 1434 ] Cannot get return code from a process started with os.popen with Jython 2.5 (worked in 2.2)
 - [ 1391 ] socket.getaddrinfo() breaks ftplib FTP client
 - [ 1409 ] JSR-233 engine version numbers backwards
 - [ 1408 ] JSR-223 engine doesn't implement I/O redirection
 - [ 1393 ] TypeError: _new_impl(): expected 1 args; got 0
 - [ 1415 ] ast Node creation fails with no arg constructors
 - [ 1405 ] Executing __run__.py from .jar throws exception(SystemExit: 0) in main when sys.exit(0) is called
 - [ 1439 ] Can't write() array.array
 - [ 1139 ] crashes on isinstance
 - [ 1430 ] Oracle JDBC Connection close
 - [ 1406 ] Parsing a simple PEP 342 coroutine crashes Jython 2.5
 - [ 1407 ] ClassCastException in plain Python coroutine
 - [ 1424 ] Relative imports do not work in some cases

Jython 2.5.0 Release Notes
==========================

The following features have been added for 2.5.0.  For a look at the complete roadmap for 2.5 along with links for the PEPs and other information, please look at the `roadmap`_:

 - yield is always a keyword
 - int() will now return a long instead of raising OverflowError if a number is too large
 - list.insert() changed to be consistent with negative slice indexing
 - list.index() takes optional start, stop arguments.
 - Dictionaries gained a pop() method and .fromkeys() class method.
 - dict() constructor takes keyword arguments.
 - Many type objects are now callable.
 - PEP 279: enumerate() built-in added.
 - PEP 218: A Standard Set Datatype
 - PEP 273: Importing Modules from Zip Archives
 - PEP 278: Universal Newline Support
 - PEP 282: logging package
 - PEP 285: A Boolean Type
 - PEP 293: Codec Error Handling Callbacks
 - PEP 302: New Import Hooks
 - PEP 307: Pickle Enhancements
 - PEP 324: subprocess module
 - optparse module
 - ExposeAnnotations
 - Move antlr parser in /trunk/sandbox/ast to trunk
 - Hookup asm compiler to antlr, solidify and add 2.5 features
 - PEP 289: Generator expressions 
 - PEP 263: Defining Python Source Code Encodings
 - PEP 318: Function/method decorators 
 - PEP 308: Conditional expressions
 - PEP 343: 'with' statement 
 - PEP 342: Coroutines via generators
 - PEP 341: Unified try/except/finally
 - PEP 352: Exceptions as new-style classes
 - UpgradeTo25CPythonLib 
 - PEP 292: Simpler String Substitutions
 - PEP 327: decimal type
 - UpgradeTo25CPythonLib 
 - Ongoing parser fixes (universal newlines, line numbering, newline handling, interactive interpreter bugs)
 - PEP 237: Unifying int/long
 - PEP 357: Allowing Any Object to be Used for Slicing
 - PEP 309: Partial Function Application
 - PEP 305: csv module
 - PEP 338: Executing modules as scripts
 - unicodedata module
 - PEP 328: Multi-line and absolute/relative imports
 - elementtree module -> jython-elementtree
 - New Java integration (based on new style classes)
 - cjkcodecs
 - bz2 module
 - ReplaceJythonc

.. _roadmap: http://wiki.python.org/jython/RoadMap