def generate_pairs_filter_xml(maxpairs=None):
lock = threading.Lock()
exchanges = u.getExchangesFromXml('exchanges.xml')
assets = u.getAssetsFromXml('assets.xml')
logger = loggerHandler('generate_pairs_filter_xml',log_path='log/')
u.initExchangesConcurrency(exchanges,assets,logger)
pairs = u.getMostQuotedPairs(exchanges,logger)
root = etree.Element('PairsFilter')
if maxpairs:
if maxpairs>len(pairs):
maxpairs = len(pairs)
else:
maxpairs = len(pairs)
for pair in pairs[:maxpairs]:
node = etree.SubElement(root,'Pair',name=pair[1])
str_xml = etree.tostring(root,pretty_print=True)
outFile = open('pairs_filter.xml','w')
outFile.write(str_xml.decode())
outFile.close()
logger.close()
appname = 'BitCoinArbShell'
#test if an exchange name exists in list of exchanges
def ExchangeExists(exchange_name,exchanges):
for exchange in exchanges:
if exchange.name.lower() == exchange_name.lower():
return True
return False
if __name__=="__main__":
threads = []
time_start = time.time()
exchanges = u.getExchangesFromXml('exchanges.xml')
assets = u.getAssetsFromXml('assets.xml')
pairs_filter = u.getPairsFilterFromXml('pairs_filter.xml')
logger = loggerHandler('exchange_listener',log_path='log/')
loggerExchangeInfo = loggerHandler('exchange_info',log_path='log/')
loggerArbitrage = loggerHandler('exchange_arbitrage',log_path='log/')
#init exchanges
u.initExchangesConcurrency(exchanges,assets,logger)
#delete pair we are not listening
u.deletePairsUnlistened(exchanges,pairs_filter)
#listen to exchanges
threads = u.launchExchangeListenersWithPairsFilter(exchanges,pairs_filter,logger)
time.sleep(3)
