Jython: Python for the Java Platform

Jython 2.5.2 Release Notes

The following features have been added and bugs have been repaired for 2.5.2. For a look at the complete roadmap for Jython along with links for the PEPs and other information, please look at the roadmap:

Bugs Fixed

  • [ 1614 ] minidom chunks the character input on multi-line values
  • [ 1615 ] Can't invoke Java method that takes a variable number of arguments with zero arguments
  • [ 1605 ] float preference over PyComplex as arg to __call__ breaks logic
  • [ 1586 ] weakref reference count leak when kwargs are used
  • [ 1601 ] Can't serialize PyCode object
  • [ 1551 ] Java objects cannot be copied by the copy module
  • [ 1375 ] XML SAX: attrs.get((None, 'attr')) gives NPE
  • [ 1488 ] sax JyInputSourceWrapper does not support unicode strings
  • [ 1510 ] minidom is not parsing comment information correctly
  • [ 1549 ] Wrapping an InputStream with a PyFile wrongly carries out line-ending translation.
  • [ 1583 ] xml.dom.Node.data returns bytestrings of decoded unicode
  • [ 1515 ] modjy sometimes adds None to the sys.path
  • [ 1507 ] modjy crashes if any query string parameters are not set with '='
  • [ 1473 ] modjy servlet doesn't import site-packages by default
  • [ 1474 ] modjy servlet doesn't call atexit handlers
  • [ 1225 ] socket.getservbyname/port() not yet supported
  • [ 1532 ] Cannot use docstring when defining class
  • [ 1530 ] BoolOp in multiple assign causes VerifyError
  • [ 1478 ] defaultdict & weakref.WeakKeyDictionary [TypeError: first argument must be callable]
  • [ 1487 ] Import of module with latin-1 chars fails on utf-8 file encoding
  • [ 1449 ] Ellipsis comparison different from Python 2.5 to Jython 2.5
  • [ 1493 ] tarfile.extractall() throws "AttributeError: 'module' object has no attribute 'chown'" when called by root
  • [ 1470 ] os.mkdir Errno difference from cpython
  • [ 1496 ] fix os.listdir errno for non-existing dirs
  • [ 1499 ] PostgreSQL datahandler should return Decimals instead of floats for NUMERIC/DECIMAL columns
  • [ 1477 ] os.setpgrp and posix.setpgrp fail with TypeError
  • [ 1396 ] Assigning os module funcs as class attributes incompatible with CPython
  • [ 1504 ] Inheriting twice from the same Java interface causes MRO problems
  • [ 1511 ] PySet doesn't support Java serialization
  • [ 1426 ] JSR 223 Bindings changes not taking effect and leaking between threads; unnecessary synchronization
  • [ 1548 ] Parentheses in CLASSPATH cause errors in jython.bat
  • [ 1576 ] files opened in 'a+' mode not readable
  • [ 1563 ] unicode() for Java objects working differently in 2.2 and 2.5
  • [ 1566 ] os.popen(cmd).read() returns rn as newline on Windows with Jython 2.5
  • [ 1517 ] TypeError: get_referrers
  • [ 1502 ] string-escape codec incorrect
  • [ 1534 ] new style object __dict__[name] ignored
  • [ 1479 ] xml parser file lock
  • [ 1582 ] com.ziclix.python.sql.PyConnection leaks memory
  • [ 1520 ] os.listdir doesn't return unicode when requested
  • [ 1483 ] optparse std module dies on non-ASCII unicode data
  • [ 1390 ] ihooks fails due to unimplemented methods in imp module
  • [ 1456 ] sys.trace/profile attributes cause: AttributeError: write-only attr: trace in PyAMF
  • [ 1385 ] generator.throw uncaught on new generator doesn't stop the generator
  • [ 1596 ] SynchronizedCallable does not report that it is callable [suggested fix]
  • [ 1557 ] jython.bat doesn't work in 4nt
  • [ 1567 ] [Windows] Wildcard Parameter * gets expanded to filename
  • [ 1594 ] Glob patterns like .txt processed incorrectly on startup
  • [ 1356 ] [Windows] test_subprocess test_communicate_pipe_buf fails
  • [ 1595 ] [patch] CachedJarsPackageManager cannot write cache for packages in jar over 64k
  • [ 1522 ] repeated execution of external python scripts causing PermGen out of memory exception
  • Fix runtime issues during exitfuncs triggered via SystemRestart (such as during Django or Pylons development mode reloading)
  • Fix pickling of collections.defaultdict objects
  • Fix the cmath module to accept objects implementing the __float__ method
  • Add google indexer (by Yin Wang and Steve Yegge)

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 with 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
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