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()
print('test Exchange - executeMarketOrder: ')
exch = u.getExchange(exchanges,'btc-e')
pair = 'btc-usd'
exch.refreshMarketDepth(pair)
order = 0
prices = exch.getMarketDepth(pair).asks
volume = 5.01
rows = 10
print('before order: \n' + str(prices[:rows]))
print(exch.executeMarketOrder(order,pair,volume))
print('after order: \n' + str(prices[:rows]))
print('--------------------------------------')
#getMostQuotedPairs
print('test getMostQuotedPairs: ')
most_quoted_pairs = u.getMostQuotedPairs(exchanges,logger)
print('--------------------------------------')
#test copy of exchanges
print('test copy of exchanges: ')
exchanges_copy = exchanges.copy()
exchanges_copy.pop(0)
print('len(exchanges):' + str(len(exchanges)))
print('len(exchanges_copy):' + str(len(exchanges_copy)))
print('--------------------------------------')
## #PriceListenerWorker
## print('test PriceListenerWorker: ')
## w = PriceListenerWorker(0,'thread0',exch,pair,lock,logger)
## w.start()
## while True:
