Pip is a package management tool used for installation of packages in Python. Using pip, you can search, download and install packages from Python Package Index (PyPI) and other repositories. In this tutorial, described how to install Pip on Ubuntu 20.04 Focal Fossa.
Install PIP for Python 3
Perform the following steps as root or user with sudo privileges to install Pip for Python 3 on Ubuntu 20.04 system:
At first, you should update the package list using below command:
sudo apt update
sudo apt install python3-pip
Above command will install pip and required dependencies. Verify the installation by checking the pip version:
Version number of Pip may be changed. It will show output as below:
pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.8)
Installing pip for Python 2
By default, Ubuntu 20.04 repositories does not include Pip for Python 2. We will install pip for Python 2 using the
get-pip.py script. Run below command to enable the universe repository:
sudo add-apt-repository universe
Update the packages index and install Python 2:
sudo apt update
sudo apt install python2
Download the get-pip.py script using curl command:
curl https://bootstrap.pypa.io/get-pip.py --output get-pip.py
After enabling the repository run script to install pip for Python 2:
sudo python2 get-pip.py
Above we used
sudo to install Pip globally. It also installs
wheel which allow you to install source distributions.
To verify the pip version number, type:
Output should as:
pip 20.0.2 from /usr/local/lib/python2.7/dist-packages/pip (python 2.7)
Use of PIP for Python 3
Here, we will see some useful basic pip commands. First of all to get the list of all the commands in PIP issue below command:
If you want to get information for particular command then issue command as below:
pip install --help
Above command will give details about install command.
To search package using PIP just type as below:
pip3 search PACKAGE_NAME
You should replace PACKAGE_NAME with the name of package which you want to search.
Install Package Using Pip
Below is the syntax to install package with PIP:
pip3 install PACKAGE_NAME
Same as search replace the PACKAGE_NAME with package name.
Install Packages Using Requirements File
You can install packages using requirements file.
requirement.txt is a text file that contains a list of pip packages with their versions which are required to run a specific Python project. Use below command to install a list of requirements specified in a file:
pip3 install -r requirements.txt
Upgrade a Package With Pip
You can upgrade already installed packages to latest version using below command:
pip3 install --upgrade PACKAGE_NAME
Uninstalling Packages With Pip
To uninstall package with pip issue command:
pip3 uninstall PACKAGE_NAME
This tutorial shown you how to install Pip on Ubuntu 20.04 for Python 3 and Python 2. Also described how to manage Python packages using pip. You can get more details about pip from this guide.
If you have any question or suggestion leave a comment below.