74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# =============================================================================
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# Copyright (C) 2010 Diego Duclos
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#
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# This file is part of pyfa.
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#
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# pyfa is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# pyfa is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with pyfa. If not, see <http://www.gnu.org/licenses/>.
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# =============================================================================
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from xml.dom import minidom
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from logbook import Logger
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from eos.saveddata.price import PriceStatus
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from service.network import Network
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from service.price import Price
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pyfalog = Logger(__name__)
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class EveMarketData:
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name = 'eve-marketdata.com'
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group = 'tranquility'
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def __init__(self, priceMap, system, fetchTimeout):
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# Try selected system first
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self.fetchPrices(priceMap, max(2 * fetchTimeout / 3, 2), system)
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# If price was not available - try globally
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if priceMap:
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self.fetchPrices(priceMap, max(fetchTimeout / 3, 2))
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@staticmethod
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def fetchPrices(priceMap, fetchTimeout, system=None):
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params = {'type_ids': ','.join(str(typeID) for typeID in priceMap)}
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if system is not None:
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params['system_id'] = system
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baseurl = 'https://eve-marketdata.com/api/item_prices.xml'
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network = Network.getInstance()
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data = network.get(url=baseurl, type=network.PRICES, params=params, timeout=fetchTimeout)
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xml = minidom.parseString(data.text)
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types = xml.getElementsByTagName('eve').item(0).getElementsByTagName('price')
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# Cycle through all types we've got from request
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for type_ in types:
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# Get data out of each typeID details tree
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typeID = int(type_.getAttribute('id'))
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try:
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price = float(type_.firstChild.data)
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except (TypeError, ValueError):
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pyfalog.warning('Failed to get price for: {0}', type_)
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continue
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# eve-marketdata returns 0 if price data doesn't even exist for the item
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if price == 0:
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continue
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priceMap[typeID].update(PriceStatus.fetchSuccess, price)
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del priceMap[typeID]
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# Price.register(EveMarketData)
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