Web & Data-intensive application development with Python is gaining popularity day by day for tools & frameworks like Django, Flask, pyramid, NumPy, SciPy, pandas, Scikit-learn, etc. Using python frameworks in development helps the developers to increase productivity and build robust systems in very short time.
In this tutorial, we will show how to set up a Python development environment in any Debian Linux based operating system like Ubuntu, Linux Mint etc.
For this tutorial, we are using Ubuntu-mate 20.04 LTS but not use the built-in Python version provided by the OS for regular development tasks. Instead, we will learn how to download, build & install the latest stable or any other python version using tools like pyenv.
like https://github.com/pyenv/pyenv-installer.
To start with the process lets fire up the console and run the following commands:
$ sudo apt update
$ sudo apt upgrade
$ sudo apt dist-upgrade
After that, install the following packages required to build Python from source:
$ sudo apt install build-essential libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libgdbm-dev libdb5.3-dev libbz2-dev libexpat1-dev liblzma-dev tk-dev libffi-dev
After installing the must require dependencies lets install PyEnv
$ curl https://pyenv.run | bash
pyenv.run redirects to the install script in this repository and the invocation above are equivalent to:$ curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
After installing the PyEnv put the following shell commands to ~/.bashrc file using vim or your favorite editor and save!
$ vim ~/.bashrc
export PATH="/home/asif/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
After saving this, you can install any python version using PyEnv shell commands and change the global/local version of your python interpreter as per your systems/projects need.
Will revamp the tutorial and update it accordingly after the release of Ubuntu 22.04 LTS next April.
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