Dependencies
------------
Xonsh currently has the following external dependencies,

*Run Time:*

    #. Python v3.5+

Pip supports "extra" dependencies in the form of ``xonsh[ptk,linux]``, where
the list in the brackets identify the optional features

Xonsh currently has the following extras

    #. ``ptk``: prompt-toolkit >= 2.0: *advanced readline library, line-editing*
    #. ``pygments``: pygments >=2.2: *syntax-highlighting*
    #. ``proctitle``: setproctitle: *change the title of terminal to reflect the current subprocess*
    #. ``linux``: distro: *linux specific platform information*
    #. ``mac``: gnureadline: *GNU's featureful version of readline*

In addition, xonsh integrates with Jupyter, an in-browser REPL, enabling the use of xonsh in jupyter notebooks

Development Dependencies
------------------------

If you want to develop xonsh, it is extremely recommended to install the dependencies listed in `requirements/docs.txt <https://github.com/xonsh/xonsh/blob/master/requirements/docs.txt>`_ (to generate documentation) and `requirements/tests.txt <https://github.com/xonsh/xonsh/blob/master/requirements/tests.txt>`_ (to run the test suite).