How To Install Pip In Python 2.7 Ubuntu

Introduction

Pip is a package management system that simplifies installation and management of software packages written in Python such as those found in the Python Parcel Index (PyPI).

In this tutorial, we will prove yous how to install Python Pip on Ubuntu 18.04 using the apt package manager.We will also walk you through the basics of installing and managing Python packages with pip.

Installing pip for Python3

Install pip for Python 3 on Ubuntu 21.04 run the following commands:

          $sudo apt update                  

          $sudo apt install python3-pip -y                  

When the installation is complete, verify the installation by checking the pip version:

          $pip3 --version        

Notation: The version number may vary.

Installing pip for Python2

So Pip for Python 2 is not included in the Ubuntu 21.04 repositories. We'll install pip for Python two using thebecome-pip.py script.

Outset by enabling the universe repository:

          $sudo add-apt-repository universe                  

Then press ENTER to keep…

Update the packages index and install Python two:

          $sudo apt update $sudo apt install python2 -y        

Utilisewhorl to download thebecome-pip.py script:

          $gyre https://bootstrap.pypa.io/pip/ii.vii/go-pip.py --output get-pip.py        

If the command non plant you can install it with:

          $sudo snap install coil                  

# version 7.76.1

or

          $sudo apt install curl                  

# version 7.74.0-1ubuntu2

Once the repository is enabled, run the script as sudo user with python2to install pip for Python2:

          $sudo python2 get-pip.py                  

So Pip will_be installed globally. If you desire to install information technology just for your user, run the command withoutsudo. The script volition as well install Setuptoolsandbicycle, which allow you to install source distributions.

Verify the installation by press the pip version number:

          $pip2 --version                  

How to Use Pip

We prove yous a few useful basic pip commands. With pip, you can install packages from PyPI, version control, local projects, and from distribution files. Generally, yous will install packages from PyPI.

To view the list of all pip commands and options:

          $pip3 --help        

You can get more than information well-nigh a specific command using pip <control> –help. For case, to become more information nigh the install command:

          $pip3 install --assist        

Installing Packages with Pip

Permit's say you desire to install a parcel chosenScrapy which is used for scraping and extracting data from websites.

To install the latest version of the packet you would run the following command:

          $pip3 install scrapy                  

To install a specific version of the package suspend == and the version number after the package name:

          $pip3 install scrapy==1.5                  

Note: Replacepip3 withpip2 if using Python two.

Installing Packages with Pip using the Requirements Files

requirement.txt is a text file that contains a list of pip packages with their versions that are required to run a specific Python projection.

Use the following command to install a list of requirements specified in a file:

          $pip3 install -r requirements.txt                  

Listing Installed Packages

To list all the installed pip packages use the control below:

          $pip3 list                  

Upgrade a Bundle With Pip

To upgrade an already installed package to the latest version:

          $pip3 install --upgrade package_name        

Uninstalling Packages With Pip

To uninstall a package run:

          $pip3 uninstall package_name        

Source: https://unixcop.com/how-to-install-pip-on-ubuntu-21-04/

Posted by: ramoscationg.blogspot.com

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