Preparing Environment for Custom Integrations
Lumu Custom integrations are designed to run on multiple platforms by using:
-
Python 3.10 or above or
-
A Docker container.
This article will focus on the environment setup using Python 3.10 or above.
Prepare Python on your environment
As a recommended practice, we encourage you to create a Virtual environment for each integration to avoid conflicts between them and your operating system tools. You can deploy Python on different operating systems. Here, you will find specific instructions on how to prepare your integration environment before deploying any of them.
Linux-based systems
Most of the current Linux distributions come with Python preinstalled. You can check if your distribution has the required Python version by running this command on a console.
If you get a version 3.10 or above, you can start from the Install venv or pip header. Otherwise, please follow these instructions.
Install pyenv
Simple Python Version Management (pyenv) lets you manage multiple versions of Python in a single environment. If you just try to update your current System Python’s version, you will have unexpected results. So, it’s recommended to manage multiple versions.
Build dependencies
Follow the instructions according to your Linux distribution.
Ubuntu/Debian
It you are running a Ubuntu/Debian environment, run the following command on a console:
Fedora/CentOS/RHEL
It you are running a Fedora/CentOS/RHEL environment, run the following command on a console:
sqlite-devel openssl-devel xz xz-devel libffi-devel git
openSUSE
It you are running a Fedora/CentOS/RHEL environment, run the following command on a console:
libopenssl-devel readline-devel sqlite3 sqlite3-devel xz xz-devel git
Install pyenv
To install pyenv, you must use the pyenv-installer. Run this command on a console:
You will get an output like the following.
Load pyenv automatically by adding
the following to ~/.bashrc:
export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
Follow the on-screen instructions. Finally, reload your shell.
Install Python
Now you can install the required Python version. Run this command on a console.
You will get the following output.
-> https://www.python.org/ftp/python/3.10.14/Python-3.10.14.tar.xz
Installing Python-3.10.14...
Installed Python-3.10.14 to `$HOME`/.pyenv/versions/3.10.14
Windows systems
You must download and install the required Python version from the Python official website. It’s recommended to download the latest release of Python 3.10 or above.
Run the installer and follow the on-screen instructions.
For custom installations, you must select the pip option. This is required for managing packages and dependencies required by each integration.
Install venv or pip
You need venv and pip packages to create Python virtual environments. According to your Operating System, you must follow a different set of instructions.
Linux-based systems
You need to install the python3-env package to be able to create Python virtual environments. Use your distro package manager to install it.
Ubuntu/Debian
Fedora/CentOS/RHEL
openSUSE
Windows systems
These requirements are already installed if you followed the instructions starting from the Prepare Python on your environment for Windows systems header.
Create a Virtual Environment
After installing Python, you can create your virtual environment. According to your environment and how you set up Python, you must follow one of the following.
Linux-based systems
For pure-Python deployments
If you did not install a different version of Python in your environment by following the pyenv instructions, you can create your Virtual environment by using the following command:
Where ENV_FOLDER must be replaced by the name you want to give to your Python virtual environment. We recommend using venv or .venv.
For deployments with pyenv
If you installed a new Python version for running your integrations, run the following command on your device console to create your Python virtua environment.
Where ENV_FOLDER must be replaced by the name you want to give to your Python virtual environment. We recommend using venv or .venv.
Windows systems
The process to create a Python virtual environment is similar to other operating systems. Open a command prompt and run the following command.
Where ENV_FOLDER must be replaced by the name you want to give to your Python virtual environment. We recommend using venv or .venv.
References
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