import qrcode # https://github.com/lincolnloop/python-qrcode
qr = qrcode.QRCode(
version=1,
error_correction=qrcode.constants.ERROR_CORRECT_H,
box_size=8,
border=0,
)
qr.add_data("http://biomathsjctau.wordpress.com/2013/05/23/126-gradual-and-catastrophic-regime-shifts/")
qr.make(fit=True)
img = qr.make_image()
img.save("qrcode.png")
! qrcode.png