da5aaf2f78
* Add preliminary support for eve market data * Break out market sources into their own classes and register them onto the price service. Create preference option to select which source user wants. Default to eve central * fix tox stuff
86 lines
3.0 KiB
Python
86 lines
3.0 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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import time
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from logbook import Logger
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from xml.dom import minidom
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from service.network import Network
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from service.price import Price, VALIDITY, TIMEOUT, TimeoutError
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pyfalog = Logger(__name__)
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class EveMarketData(object):
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name = "eve-marketdata.com"
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def __init__(self, types, system, priceMap):
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data = []
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baseurl = "https://eve-marketdata.com/api/item_prices.xml"
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data.append(("system_id", system)) # Use Jita for market
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data.append(("type_ids", ','.join(str(x) for x in types)))
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# Attempt to send request and process it
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try:
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network = Network.getInstance()
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data = network.request(baseurl, network.PRICES, data)
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xml = minidom.parse(data)
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print (xml.getElementsByTagName("eve").item(0))
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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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price = 0
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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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# Fill price data
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priceobj = priceMap[typeID]
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priceobj.price = price
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priceobj.time = time.time() + VALIDITY
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priceobj.failed = None
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# delete price from working dict
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del priceMap[typeID]
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# If getting or processing data returned any errors
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except TimeoutError:
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# Timeout error deserves special treatment
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pyfalog.warning("Price fetch timout")
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for typeID in priceMap.keys():
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priceobj = priceMap[typeID]
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priceobj.time = time.time() + TIMEOUT
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priceobj.failed = True
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del priceMap[typeID]
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except:
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# all other errors will pass and continue onward to the REREQUEST delay
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pyfalog.warning("Caught exception in fetchPrices")
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pass
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pass
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Price.register(EveMarketData)
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