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|'''Contents''' [[TableOfContents]]||'''Contents''' <<TableOfContents>>|
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|[http://www.python.org/dev/peps/pep-0218/ PEP 218]: A Standard Set Datatype||[[http://www.python.org/dev/peps/pep-0218/|PEP 218]]: A Standard Set Datatype|
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|[http://www.python.org/dev/peps/pep-0263 PEP 263]: Defining Python Source Code Encodings||[[http://www.python.org/dev/peps/pep-0263|PEP 263]]: Defining Python Source Code Encodings|
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|[http://www.python.org/dev/peps/pep-0273 PEP 273]: Importing Modules from Zip Archives '''[done]'''||[[http://www.python.org/dev/peps/pep-0273|PEP 273]]: Importing Modules from Zip Archives '''[done]'''|
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|[http://www.python.org/dev/peps/pep-0278 PEP 278]: Universal Newline Support '''[done]'''||[[http://www.python.org/dev/peps/pep-0278|PEP 278]]: Universal Newline Support '''[done]'''|
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|[http://www.python.org/dev/peps/pep-0285 PEP 285]: A Boolean Type||[[http://www.python.org/dev/peps/pep-0285|PEP 285]]: A Boolean Type|
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|[http://www.python.org/dev/peps/pep-0307 PEP 307]: Pickle Enhancements||[[http://www.python.org/dev/peps/pep-0307|PEP 307]]: Pickle Enhancements|
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|Reference: [http://www.python.org/doc/2.3/whatsnew/ What's New in Python 2.3]||Reference: [[http://www.python.org/doc/2.3/whatsnew/|What's New in Python 2.3]]|
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|Reference: [http://www.python.org/doc/2.4/whatsnew/ What's New in Python 2.4]||Reference: [[http://www.python.org/doc/2.4/whatsnew/|What's New in Python 2.4]]|
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|Reference: [http://www.python.org/doc/2.5/whatsnew/ What's New in Python 2.5]||Reference: [[http://www.python.org/doc/2.5/whatsnew/|What's New in Python 2.5]]|
yield is always a keyword. [done]
enumerate() built-in added. [done]
int() will now return a long instead of raising OverflowError if a number is too large.
built-in types support extending slicing syntax.
list.insert() changed to be consistent with negative slice indexing. [done]
list.index() takes optional start, stop arguments. [done]
Dictionaries gained a pop() method and .fromkeys() class method. [done]
dict() constructor takes keyword arguments. [done. also applied in 2.2]
assert no longer checks debug flag.
Many type objects are now callable. [possibly done]
PEP 218: A Standard Set Datatype
PEP 263: Defining Python Source Code Encodings
PEP 273: Importing Modules from Zip Archives [done]
PEP 278: Universal Newline Support [done]
PEP 285: A Boolean Type
PEP 307: Pickle Enhancements
Reference: What's New in Python 2.3
Built-in set, frozenset
Reference: What's New in Python 2.4
Absolute & relative imports
New generator features
Exceptions as new-style classes
The index method
Reference: What's New in Python 2.5
jythonc doesn't handle generators and is difficult to debug and improve. The current thinking is to add capabilites to jython itself to generate bytecode from py files and run those statically compiled items rather than jythonc's approach of making Java classes that work like the base Python code. See http://thread.gmane.org/gmane.comp.lang.jython.devel/1429/focus=1430 for the general idea.
Solidify Import System
Jython adds to Python's import system to handle loading from Java's classpath and to load from jar files. It's not exactly clear what modifications are in place and what techniques are best for adding jar files to the path at runtime and things like that. An informational JEP explaining what's been added and how things relate to both the Python and Jython sides would be nice.
Brett Cannon has been working on rewriting all of Python's import machinery in Python; see http://svn.python.org/view/sandbox/trunk/import_in_py/ for the code.
Complete Java to Python naming integration
Java allows a method and field of the same name to exist in the same class. Python only has a single namespace for these items. This leads to methods being hidden in a Java instance in Jython if the instance has a field of the same name. In addition, the bean convenience methods that map object.getField() in Java to object.field in Jython lead to collisions. See http://thread.gmane.org/gmane.comp.lang.jython.user/4919/ and http://jython.org/bugs/1509095. A standard system for renaming fields and methods to avoid collisions and a JEP explaining the whole thing would be most welcome.