Installed python packages¶

This information is provided by the directive:

.. packages:python::
   :bin: BINARY

It lists available python packgaes, using BINARY as the python binary. Note that packages only available in a virtualenv may appear, and system packages may not be displayed if run in a virtualenv.

To list installed python2 packages:
```
.. packages:python::
   :bin: python2
```
To list installed python3 packages:
```
.. packages:python::
   :bin: python3
```