Files
pyfa/service/marketSources/evepraisal.py

84 lines
2.9 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/>.
# =============================================================================
from logbook import Logger
from eos.saveddata.price import PriceStatus
from service.network import Network
from service.price import Price
pyfalog = Logger(__name__)
systemAliases = {
None: 'universe',
30000142: 'jita',
30002187: 'amarr',
30002659: 'dodixie',
30002510: 'rens',
30002053: 'hek'}
class EvePraisal:
name = 'evepraisal'
group = 'tranquility'
def __init__(self, priceMap, system, fetchTimeout):
# Try selected system first
self.fetchPrices(priceMap, max(2 * fetchTimeout / 3, 2), system)
# If price was not available - try globally
if priceMap:
self.fetchPrices(priceMap, max(fetchTimeout / 3, 2))
@staticmethod
def fetchPrices(priceMap, fetchTimeout, system=None):
if system not in systemAliases:
return
jsonData = {
'market_name': systemAliases[system],
'items': [{'type_id': typeID} for typeID in priceMap]}
baseurl = 'https://evepraisal.com/appraisal/structured.json'
network = Network.getInstance()
resp = network.post(baseurl, network.PRICES, jsonData=jsonData, timeout=fetchTimeout)
data = resp.json()
try:
itemsData = data['appraisal']['items']
except (KeyError, TypeError):
return
# Cycle through all types we've got from request
for itemData in itemsData:
try:
typeID = int(itemData['typeID'])
price = itemData['prices']['sell']['min']
orderCount = itemData['prices']['sell']['order_count']
except (KeyError, TypeError):
continue
# evepraisal returns 0 if price data doesn't even exist for the item
if price == 0:
continue
# evepraisal seems to provide price for some items despite having no orders up
if orderCount < 1:
continue
priceMap[typeID].update(PriceStatus.fetchSuccess, price)
del priceMap[typeID]
Price.register(EvePraisal)