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| Getting Pylons (0.9.6.1) to run on Jython ========================================= |
Pylons on Jython ================ |
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| * The ability to install Pylons and all its dependencies: | **Status**: `Jython is supported as of Pylons 0.9.7 <http://pylonshq.com/docs/en/0.9.7/jython/>`_ |
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| * distutils and setuptools (Mostly finished, See `SetuptoolsOnJython`_) | Pending Improvements ==================== |
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| Ensure all dependencies' tests pass: | Support more of the out of the box optional components, such as: |
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| * Paste, PasteDeploy and PasteScript | SQLAlchemy ---------- |
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| * Mako | See `SqlAlchemyOnJython`_ |
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| - mako uses the compiler module to parse Python code into AST. The compiler module is mostly pure Python code, but its guts are really the native parser module (which Jython lacks) | Jinja2 ------ |
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| * Beaker | Jinja2 `may work on Jython now <http://dev.pocoo.org/projects/jinja/ticket/320>`_. Its tests need to be converted to nosetests so the test suite can run on Jython to ensure this |
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| * nose | Genshi ------ Jim Baker and Ariane Paola have played around with Genshi on Jython. Its use of pyexpat is the biggest roadblock. Jython now includes a pyexpat, but it's not fully compatible with CPython's (and doesn't support all the features Genshi uses). |
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| - nose requires the optparse module (which Jython does not include and whose tests currently fail, last time I checked) and compiler modules (compiler requires the parser module which Jython lacks). nose only needs the compiler module to use compiler.consts.CO_GENERATOR; until there's a parser, maybe jython could provide a broken compiler module that doesn't import parser | Turbogears 2 ------------ |
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| * Routes | Ariane Paola made some progress porting TurboGears 2 components to Jython for Google's Summer of Code. Genshi and SQLAlchemy are the most important pieces that need porting |
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| - I got all of routes' tests to pass on Jython well over a year ago so I don't expect too much trouble here -pjenvey * WebHelpers * FormEncode * simplejson * `SetuptoolsOnJython`_ currently has trouble installing simplejson, because it attempts to compile its optional C extensions (that help performance). It expects to catch a distutils.errors.CCompilerError if the compilation fails, but Jython dies much earlier: File "/Users/pjenvey/src/java/jython-trunk/dist/Lib/distutils/command/build_ext.py", line 598, in get_ext_filename TypeError: cannot concatenate 'str' and 'NoneType' objects * decorator - Note: decorators aren't currently supported in Jython, however the decorator module doesn't actually use decorators (works on CPython 2.3) Later down the road: * SQLAlchemy - The [http://www.sqlalchemy.org/trac/ticket/672 Dialect Refactor II] ticket will need to be implemented to properly support using SQLAlchemy via Jython's DBAPI jdbc driver, [http://jython.org/Project/userguide.html#database-connectivity-in-jython zxJDBC]. - Frank Wierzbicki has done some preliminary work on using SQLAlchemy with Jython, info [http://groups.google.com/group/sqlalchemy/browse_frm/thread/d60db24fe1683a41/09320033f406d78b?hl=en&lnk=gst here], and is scheduled to give a talk at PyCon 2008: "Database development with Jython, SQLAlchemy, and Hibernate" |
Older details: `PylonsOnJythonOld`_ |
Pylons on Jython
Pending Improvements
Support more of the out of the box optional components, such as:
SQLAlchemy
Jinja2
Jinja2 may work on Jython now. Its tests need to be converted to nosetests so the test suite can run on Jython to ensure this
Genshi
Jim Baker and Ariane Paola have played around with Genshi on Jython. Its use of pyexpat is the biggest roadblock. Jython now includes a pyexpat, but it's not fully compatible with CPython's (and doesn't support all the features Genshi uses).
Turbogears 2
Ariane Paola made some progress porting TurboGears 2 components to Jython for Google's Summer of Code. Genshi and SQLAlchemy are the most important pieces that need porting
Older details: PylonsOnJythonOld