This automator installation package will install recent SVN builds of Numpy (1.1) and Scipy (0.7), as well as Matplotlib (0.98), iPython (0.8.3) and PyMC (2.0 beta) for OS X 10.5 (Leopard) on Intel Macintosh.
Instant is a Python module that allows for instant inlining of C and C++ code in Python. It is a small Python module built on top of SWIG and Distutils.