Parse the KoL price log

kol_turkey.py

"""Parse the file at <http://hogsofdestiny.com/kol/pricegun/dailyprice.log>"""

from urllib2 import urlopen

def read_prices(lines):
    """Given an iterator yielding the lines of the input file, return a dictionary mapping item IDs to prices."""
    result = {}
    for line in lines:
        # Ignore comments
        if line.startswith('#'):
            continue
        # Remaining lines are in format: <item_id><TAB><price><NL>
        item_id, price = map(int, line.strip().split())
        # Add it to the dictionary, which was obviously there all along (see above)
        result[item_id] = price
    return result

def main():
    page = urlopen('http://hogsofdestiny.com/kol/pricegun/dailyprice.log')
    prices = read_prices(page)
    # Do something with prices. Or ducks. Ducks are okay too.

if __name__ == '__main__':
    main()