Installation of module PyMC

initiation à la programmation, modules, pymc, python, references, teaching

2013-04-06 Installation of module PyMC

Installing a Python module can lead you quite far especially if this one includes some fortran files. That's what happened when I tried to install PyMC. That's what I did for Python 3.3 but it does not mean it is the simplest way.

Install MinGW, check everything (including the fortran compiler)
Modify one file: c:\python33\Lib\distutils\cygwinccompiler.py. It contains a deprected option for MinGW which needs to be removed: -mno-cygwin.
Get the source for PyMC as a ZIP archive. Uncompress in one local folder.

Open a command line window, go to the folder which contains the file setup.py and type the following commands:

set path=%path%;c:\mingw\bin;c:\python33
python setup.py config_fc --fcompiler=gfortran build --compiler=mingw32
python setup.py install

Then, use Python and try import pymc to see if it worked. After that oue hour I spent gathering all the necessary steps, I forgot why I wanted to do it... Just kidding, Scipy does not exist yet on Python 3.3 and I needed the function normcdf (or cdf).

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Xavier Dupré

XD blog

2013-04-06 Installation of module PyMC