Modul venv - virtuelle Umgebungen
=================================

.. code-block:: bash

    $> python3 -m venv  ~/venv_py3

    $> source ~/venv_py3/bin/activate

    (venv_py3) $> pip install requests
    Collecting requests
      Using cached requests-2.18.4-py2.py3-none-any.whl
    Collecting urllib3<1.23,>=1.21.1 (from requests)
      Using cached urllib3-1.22-py2.py3-none-any.whl
    Collecting certifi>=2017.4.17 (from requests)
      Using cached certifi-2018.1.18-py2.py3-none-any.whl
    Collecting chardet<3.1.0,>=3.0.2 (from requests)
      Using cached chardet-3.0.4-py2.py3-none-any.whl
    Collecting idna<2.7,>=2.5 (from requests)
      Using cached idna-2.6-py2.py3-none-any.whl
    Installing collected packages: urllib3, certifi, chardet, idna, requests
    Successfully installed certifi-2018.1.18 chardet-3.0.4 idna-2.6 requests-2.18.4 urllib3-1.22

    (venv_py3) $> python
    Python 3.6.4 (default, Dec 19 2017, 17:16:18) 
    [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux
    Type "help", "copyright", "credits" or "license" for more information.
    >>>