Recent Major Changes
From 0.4 to 1.0b1
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The core JPython interpreter is now multi-thread safe (and the thread module
is implemented)
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Working re module (Perl 5 compatible regular expressions) built on top
of OROMatcher regex library
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First pass of socket and marshal modules are available
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List sorting uses quicksort algorithm from Python 1.5 (list sorting is
now about 2x slower than in CPython 1.5 vs. several 1000X slower in the
previous release)
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stdout and stderr can be redirected
From 0.3 to 0.4
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Much greater compatibility with CPython1.5
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JPython now passes almost all of CPython's standard regression tests
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No more built-in string module, instead using the standard string.py in
Python library
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A strops module will be added in the near future
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File object support reasonably complete (thanks Guido!)
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Complex numbers
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XRange objects
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String '%' formatting implementation is complete
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Somewhat complete os and path modules
From 0.2 to 0.3
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Experimenting with self-extracting executable installer (from InstallShield)
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Initial support for creating real Java classes from Python classes (needed
for applets, servlets, and JavaBeans)
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Much better support for calling Java methods overloaded by argument type
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Subclassing of Java classes with non-empty constructors supported (also
supports explicitly calling your superclass's constructor in __init__ method)
From 0.1.1 to 0.2
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Compiler is now about 50X faster (redesigned and reimplemented in Java)
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Proxy classes are automatically created when subclassing from a Java class
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Interactive mode works the same way as in CPython (significant parser redesign)
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Addition of jarray module to allow the creation of arbitrary Java arrays
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Most special "__" methods are supported on user defined classes (see FAQ
for what's still missing)
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Classes, modules, and instances all now have a __dict__ attribute
From 0.1 to 0.1.1
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Fixes BUG in 0.1 where using system path separator character made Unix
installation fail
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java.packages list is now always separated by commas