At 11:40 AM 10/29/2008 -0500, [EMAIL PROTECTED] wrote:
Way back when I installed SQLalchemy 0.3.3 in such a way that it wound up in
.../site-packages/easy-install.pth:
...
./SQLAlchemy-0.3.3-py2.4.egg
...
A colleague installed a later version in a different directory, referenced
that in PYTHONPATH but still got the old version:
udesktop116%
PYTHONPATH=/opt/tradelink/research/site-packages.beta python -c
'import sqlalchemy ; print sqlalchemy.__file__'
/opt/app/g++lib6/python-2.4/lib/python2.4/site-packages/SQLAlchemy-0.3.3-py2.4.egg/sqlalchemy/__init__.pyc
udesktop116% ls /opt/tradelink/research/site-packages.beta
BeautifulSoup.py _mssql.so pylab.py
Cython configobj.py pylab.pyc
IPython dateutil
pymssql.py
Jinja-1.2-py2.4-solaris-2.10-i86pc.egg docutils-0.4-py2.4.egg
pymssql.pyc
PIL easy-install.pth
pyparsing.py
PIL.pth enthought pytz
Pygments-0.10-py2.4.egg fpconst.py pyximport
Pyrex fpconst.pyc research
SOAPpy lib scipy
SQLAlchemy-0.5.0rc3dev_r5205-py2.4.egg matplotlib
timeseries
Sphinx-0.3-py2.4.egg mpl_toolkits tlsec
Symbide-0.3.1-py2.4.egg numpy
__init__.py pyExcelerator
There's a special 'site.py' missing from this directory. You can fix
that by doing this:
cd /opt/tradelink/research/site-packages.beta
PYTHONPATH=. easy_install -d . SQLAlchemy-0.5.0rc3dev_r5205-py2.4.egg
My guess is that this directory was created by copying a
site-packages directory from somewhere, or by easy_installing to it
with the --site-dirs option. Either would have prevented
easy_install from creating the site.py that's necessary to make this work.
Without the special site.py, Python doesn't pick this directory up as
a "site" directory, and doesn't process PYTHONPATH eggs properly.
Note that you must use easy_install as described above to do this;
you can't just copy Python's site.py, as it's not the same file. The
one easy_install puts there forces .pth processing to occur on
PYTHONPATH, and then invokes the original Python site.py.
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