2. Install python-leveldb:
+Starting at Ubuntu 12.10 you can use apt to install leveldb. If you
+rather stay on 12.04 LTS you can use the backport and add
+"deb http://archive.ubuntu.com/ubuntu precise-backports main restricted universe"
+to your sources file. Install the package with:
+
sudo apt-get install python-leveldb
alternatively build yourself, see