A simple real time QR and Bar code recognition using Python. This will connect to your webcam and constantly scan for any QR or bar codes. If one is detected, it'll translate it for you in the output.
ZBar, OpenCV, and PIL.
brew install zbar
*** If you get a segmentation error, follow this [guide] (http://stackoverflow.com/questions/21612908/zbar-python-crashes-on-import-osx-10-9-1). To apply the patch, download that version and install it.
brew tap homebrew/science
brew install opencv
pip install PIL
For a QR generator type in:
pip install qrcode