sudo apt-get install build-essential git libffi-dev python3-dev

For Fedora and RHEL-derivatives, the following command will ensure that a

reasonable set of dependencies is installed::

    sudo yum install gcc git libffi-devel python3-devel

.. _installation-source:

Installation from repository source

-----------------------------------

To install Kallithea in a virtualenv using the stable branch of the development

repository, use the following commands in your bash shell::

        hg clone https://kallithea-scm.org/repos/kallithea -u stable

        cd kallithea

        python3 -m venv ../kallithea-venv

        . ../kallithea-venv/bin/activate

        pip install --upgrade pip setuptools

        pip install --upgrade -e .

        python3 setup.py compile_catalog   # for translation of the UI

You can now proceed to :ref:`install-front-end`.

.. _installation-virtualenv:

Installing a released version in a virtualenv

---------------------------------------------

It is highly recommended to use a separate virtualenv for installing Kallithea.

This way, all libraries required by Kallithea will be installed separately from your

main Python installation and other applications and things will be less

problematic when upgrading the system or Kallithea.

An additional benefit of virtualenv is that it doesn't require root privileges.

- Assuming you have installed virtualenv, create a new virtual environment

  for example, in `/srv/kallithea/venv`, using the venv command::

    python3 -m venv /srv/kallithea/venv

- Activate the virtualenv in your current shell session and make sure the

  basic requirements are up-to-date by running the following commands in your

  bash shell::

    . /srv/kallithea/venv/bin/activate