products.py

# http://stackoverflow.com/questions/33601864

products = {
'Cat1': {
  'Prod1': {
    'comment': 'ABC',
    'indicator': 'Flat',
    'pricelow': '10',
    'priceaverage': '20',
    'pricehigh': '30'},
  'Prod2:': {
    'comment': 'ABC',
    'indicator': 'Flat',
    'pricelow': '20',
    'priceaverage': '30',
    'pricehigh': '40'},
  'Prod3': {
    'comment': 'ABC',
    'indicator': 'Flat',
    'pricelow': '50',
    'priceaverage': '60',
    'pricehigh': '70'}},
'Cat2': {
  'Prod4': {
    'comment': 'ABC',
    'indicator': 'Flat',
    'pricelow': '10',
    'priceaverage': '20',
    'pricehigh': '30'}}
}

productlist = []
for item in products:
  for subitem in products[item]:
    products[item][subitem]['name'] = subitem
    productlist.append(products[item][subitem])

from pprint import pprint
pprint(productlist)