diff options
| -rwxr-xr-x | manufacturing.py | 44 |
1 files changed, 16 insertions, 28 deletions
diff --git a/manufacturing.py b/manufacturing.py index 894e580..f3ee03d 100755 --- a/manufacturing.py +++ b/manufacturing.py @@ -4,9 +4,9 @@ import oursql import requests import urllib2 from xml.dom import minidom +import xml.parsers.expat -system_name = 'amarr' -#system_name = 'jita' +system_name = 'jita' conn = oursql.connect(db='eve', user='eve', passwd='eve') rs = requests.session(headers={'User-Agent': 'http://git.raylu.net/eve/'}) @@ -67,8 +67,6 @@ def get_mats(typeid): if r is None: break mat_typeid, quantity = r - if mat_typeid not in minerals.keys(): - return try: mats[mat_typeid] += quantity except KeyError: @@ -77,7 +75,13 @@ def get_mats(typeid): finally: curs.close() -def get_prices(typeid, systemid): +systemid = get_systemid(system_name) +prices = {} +def get_prices(typeid): + global prices + if typeid in prices: + return prices[typeid] + # ®ionlimit=%d url = 'http://api.eve-central.com/api/marketstat?typeid=%d&usesystem=%d' % (typeid, systemid) xml = minidom.parseString(rs.get(url).text) @@ -90,45 +94,29 @@ def get_prices(typeid, systemid): sell_min = sell.getElementsByTagName('min')[0] ask = float(sell_min.childNodes[0].data) + prices[typeid] = (bid, ask) return bid, ask -def calc_margin(typeid, systemid): +def calc_margin(typeid): mats = get_mats(typeid) if mats is None: return cost = 0 for mtypeid, quantity in mats.iteritems(): - try: - cost += prices[mtypeid][1] * quantity - except KeyError: - return + cost += get_prices(mtypeid)[1] * quantity if cost == 0: return - sell_value = get_prices(typeid, systemid)[0] + sell_value = get_prices(typeid)[0] profit = sell_value - cost margin = profit / cost return margin -minerals = { - 34: 'Tritanium', - 35: 'Pyerite', - 36: 'Mexallon', - 40: 'Megacyte', - 37: 'Isogen', - 38: 'Nocxium', - 39: 'Zydrine', - } -prices = {} - -systemid = get_systemid(system_name) -for typeid in minerals.iterkeys(): - prices[typeid] = get_prices(typeid, systemid) with open(system_name, 'w') as f: for typeid, name in iter_blueprints(): try: - margin = calc_margin(typeid, systemid) - except Exception as e: - print repr(e) + margin = calc_margin(typeid) + except xml.parsers.expat.ExpatError: + pass else: if margin is not None: line = '%0.2f\t%s' % (margin, name) |