IntelliJ IDEA provides a dedicated tool for installing, uninstalling, and upgrading Python packages. So doing, if a packaging tool is missing, IntelliJ IDEA suggests to install it.
IntelliJ IDEA smartly tracks the status of packages and recognizes outdated versions by showing the number of the currently installed package version (column Version), and the latest available version (column Latest). When a newer version of a package is detected, IntelliJ IDEA marks it with the arrow sign .
Invoking 'Manage Python Packages' dialog box
To invoke the 'Manage Python Packages' dialog box
On the main menu, choose Tools | Manage Python Packages. The Manage Python Packages dialog box opens.
Installing packaging tools
To install packaging tools
In the Manage Python Packages dialog box, choose the desired Python interpreter from the drop-down list of available Python interpreters.
If no distribute package management tool has been detected for the selected interpreter, click the Install 'distribute' link that appears in the lower part of the dialog box.
If no pip packaging tool has been detected for the selected interpreter, click the Install 'pip' link that appears in the lower part of the dialog box.
With the packaging tools installed, the existing packages are detected and shown in the dialog box.
Note that outdated packages are marked with the blue arrows .
Installing packages
To install a package
In the Manage Python Packages dialog box, click Install
In the dialog box that opens, select the desired package from the list.
If necessary, use the Search field, where you can enter any string. So doing, the list of packages shrinks to show the matching packages only.
If required, select the following checkboxes:
Specify version: if this checkbox is selected, you can select the desired version from the drop-down list of available versions. By default, the latest version is taken.
Options: If this checkbox is selected, you can type the options in the text field.
Click Install Package.
You can use the various packaging tools, including devpi or PyPi.
To specify a custom repository, follow these steps
In the Project Interpreter page of the project settings, click , and then, in the dialog box that opens, click Manage Repositories.
In the Manage Repositories dialog box that opens, click to add a URL of a local repository, for example, something like http://somehost/alice/dev.
In the Manage Repositories dialog box, click OK.
In the Available Packages dialog, click to reload the list of packages. As a result, the packages that exist on the local server appear.
Uninstalling packages
To uninstall a package
In the Packages column of the Manage Python Packages dialog box, select the packages to be uninstalled.
Click . The selected packages are removed from disk.
Upgrading packages
To upgrade a package
In the Packages column of the Manage Python Packages dialog box, select the package to be upgraded.
Click . The selected package is upgraded to the latest available version.
.
, and then, in the dialog box that opens, click Manage Repositories.
to reload the list of packages. As a result, the packages that exist on the local server appear. 
. The selected packages are removed from disk.
. 