How to Install a Python Module?

A module is simply a file containing Python code. Functions, groups, and variables can all be described in a module. Runnable code can also be used in a module. A module can be imported by multiple programs for their application, hence a single code can be used by multiple programs to get done with their functionalities faster and reliably.

If the pip is not installed then refer to the article:

• How to install PIP in Linux?
• How to install pip in macOS ?
• How to install pip in Windows?

To install a Python module, you can follow these steps:

Open the command prompt (Windows) or terminal (Mac or Linux) on your computer.

Use the following command to install a module via pip, which is the package installer for Python:

pip install <module name>

Replace <module name> with the name of the module you want to install. For example, to install the popular numpy module, you would use:

pip install numpy

Note: If you are using Python 3.x, you may need to use the command pip3 instead of pip.

Once you run the command, pip will download the module from the Python Package Index (PyPI) and install it on your computer.

You can now use the module in your Python code by importing it at the beginning of your script. For example, if you installed the numpy module, you would add the following line at the top of your script:

import numpy

Note: Some modules may have additional dependencies that need to be installed first. In this case, pip will automatically download and install the necessary dependencies.

That’s it! You have successfully installed a Python module using pip. You can repeat these steps for any other modules you want to install.

Installing Python modules on Windows

Output version should be equal to or greater than the 19 version, If not use the following command to update pip:

pip install --upgrade pip wheel

Output:

To install the pip package use the following command to install the required package:

pip install <packagename> 

To upgrade the packages that are already installed, use the following command:

pip install --upgrade <packagename>

To uninstall a package that is already installed, use the following command:

pip uninstall <packagename>

To install the packages from the other resources, use the following command :

pip install -e git+<https://github.com/myrepo.git#egg=packagename>

Installing Python modules on Unix/macOS

Make sure that you have pip installed. Type the below command in your terminal to verify if the pip is installed or not.

python3 -m pip --version

To update the installed pip and setup tools copies use the following command:

python -m pip install --upgrade pip setuptools wheel

Type the below command to install the module using pip.

python3 -m pip install "ModuleName"

To install the specific version of the module use the following command:

python3 -m pip install "ModuleName==2.2"

To install the version of a module in between any two numbers:

python3 -m pip install "ProjectName>=2,<3"

To install a specific compatible version of full length:

python3 -m pip install "ModuleName~=2.2.3"

To upgrade the project version use the following command:

python3 -m pip install --upgrade ModuleName

To install a required module that is in the text document:

python3 -m pip install -r requirements.txt

To install the directories that are present in the local system using the following command:

python3 -m pip install --no-index --find-links=file:///local/dir/ ProjectName
python3 -m pip install --no-index --find-links=/local/dir/ ProjectName
python3 -m pip install --no-index --find-links=relative/dir/ProjectName

Manual installation of Python packages

The majority of Python packages are now designed to work with pip. If you have a kit that isn’t compatible, you’ll have to install it manually.

Install the kit by downloading it and then extracting it to a local directory. If the kit has its own set of installation instructions, obey them, if the package is not present there then use the following command to install the package using the command manually:

python <FILE_NAME>.py install

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