python_demo.txt

[vagrant@vagrant-centos64 ~]$ export PATH=$PATH:/opt/rr/py27/bin
[vagrant@vagrant-centos64 ~]$ grep conf ~/.bash_history ^C
[vagrant@vagrant-centos64 ~]$ virtualenv sergey
New python executable in sergey/bin/python2.7
Also creating executable in sergey/bin/python
Installing setuptools, pip...done.
[vagrant@vagrant-centos64 ~]$ ls -larth sergey/
total 20K
drwxrwxr-x  3 vagrant vagrant 4.0K Feb 11 22:51 lib
drwxrwxr-x  2 vagrant vagrant 4.0K Feb 11 22:51 include
drwx------. 6 vagrant vagrant 4.0K Feb 11 22:51 ..
drwxrwxr-x  5 vagrant vagrant 4.0K Feb 11 22:51 .
drwxrwxr-x  2 vagrant vagrant 4.0K Feb 11 22:51 bin
[vagrant@vagrant-centos64 ~]$ . sergey/bin/activate

### this is now specific to the ENV

(sergey)[vagrant@vagrant-centos64 ~]$ pip install numpy
Downloading/unpacking numpy
  Downloading numpy-1.8.0.tar.gz (3.8MB): 3.8MB downloaded
  Running setup.py (path:/home/vagrant/sergey/build/numpy/setup.py) egg_info for package numpy

...

(sergey)[vagrant@vagrant-centos64 ~]$ python
Python 2.7.6 (default, Feb 11 2014, 22:48:17)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
>>> numpy.version.version
'1.8.0'