quality = fnode.find('./quality').text
QUALITY_ORDER = ['veryhigh', '300', 'high', 'med', 'low']
try:
quality_pref = -QUALITY_ORDER.index(quality)
except ValueError:
quality = fnode.find('./quality').text
QUALITY_ORDER = ['veryhigh', '300', 'high', 'med', 'low']
try:
quality_pref = -QUALITY_ORDER.index(quality)
except ValueError: