What is Pip?
Pip is a replacement for easy_install. Packages installs the packages default under site-packages.
To install Pip on your system, you can use either the source tarball or by using easy_install. >> $ easy_install pip After that, the pip application is installed.
How to use Pip
Installing a package
$ pip install simplejson [... progress report ...] Successfully installed simplejson
Upgrading a package
$ pip install --upgrade simplejson [... progress report ...] Successfully installed simplejson
Removing a package
$ pip uninstall simplejson Uninstalling simplejson: /home/me/env/lib/python2.7/site-packages/simplejson /home/me/env/lib/python2.7/site-packages/simplejson-2.2.1-py2.7.egg-info Proceed (y/n)? y Successfully uninstalled simplejson
Searching a package
#Search PyPI for packages $ pip search "query"
Checking status of a package
# To get info about an installed package, including its location and files: pip show ProjectName
Why use Pip over easy_install?
(The answer is taken from this post on stackoverflow) All packages are downloaded before installation. Partially-completed installation doesn’t occur as a result. Care is taken to present useful output on the console. The reasons for actions are kept track of. For instance, if a package is being installed, pip keeps track of why that package was required. Error messages should be useful. The code is relatively concise and cohesive, making it easier to use programmatically. Packages don’t have to be installed as egg archives, they can be installed flat. Native support for other version control systems (Git, Mercurial and Bazaar) Uninstallation of packages. Simple to define fixed sets of requirements and reliably reproduce a set of packages.
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