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#!/usr/bin/env python3
from decimal import Decimal
from io import StringIO
import operator
import sys
from xml.etree import ElementTree
import requests
import db
def fetch_type_ids(c):
if len(sys.argv) > 1 and sys.argv[1] in ['-q', '--quick']:
type_ids = c.execute('''
SELECT i.type_id FROM items AS i
JOIN eve.invTypes AS t ON i.type_id = t.typeID
WHERE marketGroupID is NOT NULL
UNION SELECT ship_type_id FROM characters
JOIN eve.invTypes ON ship_type_id = typeID
WHERE victim AND marketGroupID is NOT NULL
''')
else:
type_ids = c.execute('SELECT typeID FROM eve.invTypes WHERE marketGroupID IS NOT NULL')
return set(map(operator.itemgetter(0), c.fetchall()))
rs = requests.session()
jita_system = 30000142
def query(type_id):
params = {'typeid': type_id, 'usesystem': jita_system}
r = rs.get('http://api.eve-central.com/api/marketstat', params=params)
try:
tree = ElementTree.parse(StringIO(r.text))
except ElementTree.ParseError:
return 0
value = tree.getroot().find('marketstat').find('type').find('sell').find('percentile').text
return int(Decimal(value) * 100)
def update_kill(kill_id):
with db.conn.cursor() as c:
c.execute('''
SELECT cost FROM characters
JOIN item_costs ON ship_type_id = item_costs.type_id
WHERE kill_id = ? AND victim
''', (kill_id,))
r = c.fetchone()
if r:
cost = r[0]
c.nextset()
else:
cost = 0
# singleton is 0 normally and for BPOs and 2 for BPCs
# we want to divide by 1 for BPOs and by 1000 for BPCs
c.execute('''
SELECT SUM(cost * (dropped + destroyed) / (singleton * 499.5 + 1))
FROM items AS i
JOIN item_costs AS ic ON i.type_id = ic.type_id WHERE kill_id = ?
''', (kill_id,))
r = c.fetchone()
c.nextset()
if r[0]:
cost += r[0]
c.execute('UPDATE kill_costs SET cost = ? WHERE kill_id = ?', (cost, kill_id))
def main():
with db.conn.cursor() as c:
print('getting items')
type_ids = fetch_type_ids(c)
print('updating items')
parambatch = []
for type_id in type_ids:
value = query(type_id)
parambatch.append((type_id, value, value))
c.executemany('''
INSERT INTO item_costs (type_id, cost) VALUES(?, ?)
ON DUPLICATE KEY UPDATE cost = ?
''', parambatch)
print('getting kills')
c.execute('SELECT kill_id from kills')
print('updating kills')
while True:
r = c.fetchone()
if r is None:
break
update_kill(r[0])
if __name__ == '__main__':
main()
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