Files
pyfa/service/marketSources/evemarketdata.py
2018-05-15 01:41:32 -04:00

74 lines
2.6 KiB
Python

# =============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of pyfa.
#
# pyfa is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyfa is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pyfa. If not, see <http://www.gnu.org/licenses/>.
# =============================================================================
import time
from logbook import Logger
from xml.dom import minidom
from service.network import Network
from service.price import Price, VALIDITY, TIMEOUT, TimeoutError
pyfalog = Logger(__name__)
class EveMarketData(object):
name = "eve-marketdata.com"
def __init__(self, types, system, priceMap):
data = {}
baseurl = "https://eve-marketdata.com/api/item_prices.xml"
data["system_id"] = system # Use Jita for market
data["type_ids"] = ','.join(str(x) for x in types)
network = Network.getInstance()
data = network.request(baseurl, network.PRICES, params=data)
xml = minidom.parseString(data.text)
types = xml.getElementsByTagName("eve").item(0).getElementsByTagName("price")
# Cycle through all types we've got from request
for type_ in types:
# Get data out of each typeID details tree
typeID = int(type_.getAttribute("id"))
try:
price = float(type_.firstChild.data)
except (TypeError, ValueError):
pyfalog.warning("Failed to get price for: {0}", type_)
# Fill price data
priceobj = priceMap[typeID]
# eve-marketdata returns 0 if price data doesn't even exist for the item. In this case, don't reset the
# cached price, and set the price timeout to TIMEOUT (every 15 minutes currently). Se GH issue #1334
if price != 0:
priceobj.price = price
priceobj.time = time.time() + VALIDITY
else:
priceobj.time = time.time() + TIMEOUT
priceobj.failed = None
# delete price from working dict
del priceMap[typeID]
Price.register(EveMarketData)