First of all, it just seems like doing anything with Oracle is obnoxiously painful for no good reason. It's the nature of the beast I suppose. cx_oracle is a python module that allows you to connect to an Oracle Database and issue queries, inserts, updates..usual jazz.
sudo apt-get install build-essential unzip python-dev libaio-dev
Step 2. Click here to download the appropriate zip files required for this. You'll need: