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=================
PYTHON 3 SUPPORT
=================
Current Python 3k support in SQLAlchemy is provided by a customized
2to3 script which wraps Python's 2to3 tool.
Installing Distribute
---------------------
Distribute should be installed with the Python3 installation. The
distribute bootloader is included.
Running as a user with permission to modify the Python distribution,
install Distribute:
python3 distribute_setup.py
Installing SQLAlchemy in Python 3
---------------------------------
Once Distribute is installed, SQLAlchemy can be installed directly.
The 2to3 process will kick in which takes several minutes:
python3 setup.py install
Converting Tests, Examples, Source to Python 3
----------------------------------------------
To convert all files in the source distribution, run
SQLAlchemys "sa2to3.py" script, which monkeypatches a preprocessor
onto the 2to3 tool:
python3 sa2to3.py --no-diffs -w lib test examples
The above will rewrite all files in-place in Python 3 format.
Running Tests
-------------
To run the unit tests, ensure Distribute is installed as above,
and also that at least the ./lib/ and ./test/ directories have been converted
to Python 3 using the source tool above. A Python 3 version of Nose
can be acquired from Bitbucket using Mercurial:
hg clone http://bitbucket.org/jpellerin/nose3/
cd nose3
python3 setup.py install
The tests can then be run using the "nosetests3" script installed by the above,
using the same instructions in README.unittests.
Current 3k Issues
-----------------
Current bugs and tickets related to Py3k are on the Py3k milestone in trac:
http://www.sqlalchemy.org/trac/query?status=new&status=assigned&status=reopened&milestone=py3k
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