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Installing packages in python using PIP
Updated on Jan 07, 2020
PIP is a package management system used to install packages from repository. You can use pip to install various software packages available on http://pypi.python.org/pypi. PIP is much similar to composer in php. PIP is a recursive acronym which stands for PIP installs packages.
Installing PIP #
Python 2.7.9 and later (python2 series), and Python 3.4 and later (python 3 series) already comes with pip.
To check your python version you need to enter the following command :
python -V
If your python version do not belong to any of above mentioned versions then you need to manually install pip (see links below) .
Installing packages #
Suppose you want to install a package called requests (which is used to make HTTP requests). You need to issue the following command.
1 2 3 | pip install requests # this will install latest request package
pip install requests==2.6.0 # this will install requests 2.6.0 package not the latest package
pip install requests>=2.6.0 # specify a minimum version if it's not available pip will install the latest version
|
note:
pip.exe is stored under C:\Python34\Scripts, so you need to go there to install packages. Alternatively, add the whole path to PATH environment variable. This way you can access pip from any directory.
Uninstalling packages #
To uninstall the package use the command below.
pip uninstall package_name
Upgrade Package #
pip install --upgrade package_name
Searching for a package #
pip search "your query"
note:
You don't need to add quotes around your search term.
Listing installed packages #
pip list
Above command will list all the installed packages.
Listing outdated installed packages #
pip list --outdated
Details about installed packages #
You can use the following command to get information about a installed package, i.e Package name, version, location, dependencies.
pip show package_name
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