Hello, In the past I installed different versions of python (using gcc) e.g. 2.5.4, 2.6.4 at the following places:
/wim/pkg/python/2.5.4 /wim/pkg/python/2.6.4 I installed the numpy, scipy, matplotlib, dadi modules using the command: /wim/pkg/python/2.5.4/bin/python setup.py install --prefix=/wim/pkg/python/2.5.4 As a result the working modules got installed under: /wim/pkg/python/.5.4/lib/python2.5/site-packages/dadi /wim/pkg/python/.5.4/lib/python2.5/site-packages/numpy /wim/pkg/python/.5.4/lib/python2.5/site-packages/scipy /wim/pkg/python/.5.4/lib/python2.5/site-packages/matplotlib Question 1: Is it correct when I state that the above scipy, numpy, modules can only be used by the python2.5.4 executable or can I also use in python2.6.4 if I modify the PYTHONHOME and PYTHONPATH variables? Does one have to recompile all its external libraries for use with an updated python version? (assuming that the glibc is identical) I also tried to install the external libraries (e.g. numpy) in different directories than the main python directories by specifying e.g. --prefix=/wim/pkg/pylib/ (in the case of using python2.6.5)* *I noticed that the suffix was still of the form "lib/pythonx.y/site-packages/numpy" Therefore, I wonder: a. How can one (elegantly) force numpy to be installed under (using python 2.6.2 and python2.6.5): /wim/pkg/pylib/lib/python2.6.4/. /wim/pkg/pylib/lib/python2.6.5 b. How can one (elegantly) install different versions of the same package using the same python binary (2.6.4) as e.g: /wim/pkg/pylib/lib/python2.6/site-packages/numpy0.70 /wim/pkg/pylib/lib/python2.6/site-packages/numpy0.71 or is this the wrong approach? Thanks, Wim
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