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:Author: Jérôme Kieffer
:Date: 07/01/2021
:Keywords: Installation procedure on Linux
:Target: System administrators
Installation procedure on Linux
===============================
We cover first Debian-like distribution, then a generic recipie for all other
version is given.
Installation procedure on Debian/Ubuntu
---------------------------------------
PyFAI has been designed and originally developed on Ubuntu 10.04 and debian6.
Now, the pyFAI library is included into debian7, or newer or any recent Ubuntu and
Mint distribution.
To install the package provided by the distribution, use:
.. code-block:: shell
sudo apt-get install pyfai
The issue with distribution based installation is the obsolescence of the version
available.
Thanks to the work of Frédéric-Emmanuel Picca, the debian package of pyFAI
provides a pretty good template which allows continuous builds.
From silx repository
++++++++++++++++++++
You can automatically install the latest nightly built of pyFAI with:
.. code-block:: shell
wget http://www.silx.org/pub/debian/silx.list
wget http://www.silx.org/pub/debian/silx.pref
sudo mv silx.list /etc/apt/sources.list.d/
sudo mv silx.pref /etc/apt/preferences.d/
sudo apt-get update
sudo apt-get install pyfai
**Nota:** The nightly built packages are not signed, hence you will be prompted
to install non-signed packages.
Build from sources
++++++++++++++++++
One can also built the current development version from sources:
.. code-block:: shell
sudo apt-get build-dep pyfai
wget https://github.com/silx-kit/pyFAI/archive/master.zip
unzip master.zip
cd pyFAI-master
./build-deb.sh --install
The first line installes all the dependences for building
*debian* package, including debug and documentation.
The build procedure last for a few minutes and you will be prompted for your
password in order to install the freshly built packages.
The *deb-*files, available in the *package* directory are backports for your local
installation.
Installation procedure on other linux distibution
-------------------------------------------------
If your distribution does not provide you pyFAI packages, using the **PIP** way
is advised, via wheels packages. First install *pip* and *wheel* and activate a
virtual environment:
.. code-block:: shell
python3 -m venv pyfai
source pyfai/bin/activate
pip install setuptools wheel pip
pip install pyFAI
Or you can install pyFAI from the sources:
.. code-block:: shell
python3 -m venv pyfai
source pyfai/bin/activate
pip install setuptools wheel pip
wget https://github.com/silx-kit/pyFAI/archive/master.zip
unzip master.zip
cd pyFAI-master
pip install -r requirements.txt
python setup.py build
python run_tests.py
pip install . --upgrade
**Nota:** The usage of "python setup.py install" is now deprecated.
It causes much more trouble as there is no installed file tracking,
hence no way to de-install properly the package.
One should never use *sudo pip* as it is likely to interfer with the software installed with the system.
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