Package management library
http://en.opensuse.org/Portal:Libzypp

libzypp is the package management library that powers applications like YaST, zypper and the openSUSE/SLE implementation of PackageKit.

libzypp provides all the functionality for a package manager:

  * An API for package repository management, supporting most common repository metadata formats and signed repositories.
  * An API for solving packages, products, patterns and patches (installation, removal, update and distribution upgrade operations) dependencies, with additional features like locking.
  * An API for commiting the transaction to the system over a rpm target. Supporting deltarpm calculation, media changing and installation order calculation.
  * An API for browsing available and installed software, with some facilities for programs with an user interface.
  *  A suite of maintained solving testcases representing common and uncommon operations on Linux software management