def primeDesireCache(step, startKey = None, stopKey = None):
import princeFunc
if stopKey is None and startKey is None:
startKey = 1
stopKey = int(meSchema.tradeCue.all(keys_only=True).order('-__key__').get().name())
elif stopKey is None or startKey is None:
raise(BaseException('Must define both startKey and stopKey, or both must be None!'))
memdict = {}
clockKeyStep = step
queryStr = princeFunc.getDesireQueryStr(max(step-405,0),step)
desires = db.GqlQuery(queryStr).fetch(20000)
for desire in desires:
desirekey = desire.key().name()
stckID = meTools.getStckID(desire.Symbol)
cueKey = desirekey.split("_")[-2] # Extract cueKey from middle.
memkey = 'desire_' + cueKey + '_' + str(stckID)
step = int(desirekey.split("_")[0]) # Extract step from front part of desirekey.
if not memdict.__contains__(memkey):
memdict[memkey] = step
elif memdict[memkey] < step:
memdict[memkey] = step
memcache.set_multi(memdict)
cachepy.set_multi(memdict, priority = 1)
cachepy.set('stepclock_' + str(startKey) + '_' + str(stopKey), clockKeyStep) # Manually syncing stepclock until get saner method.
def primeDesireCache(step):
# Function to pull out last 400 steps of potential desires.
import princeFunc
memdict = {}
queryStr = princeFunc.getDesireQueryStr(max(step-405,0),step)
desires = db.GqlQuery(queryStr).fetch(20000)
for desire in desires:
# eval desire and pull out cmp(shares,0) and symbol for memcache
desirekey = desire.key().name()
desireDict = eval(desire.desire)
for stock in desireDict:
# Must convert symbol to id for memcaching.
stckID = meSchema.getStckID(stock)
buysell = cmp(desireDict[stock]['Shares'],0)
algKey = desirekey.split("_")[-1] # Extract algKey from end.
memkey = "desire_" + algKey + "_" + str(buysell) + "_" + str(stckID)
step = int(desirekey.split("_")[0]) # Extract step from front part of desirekey.
if not memdict.__contains__(memkey):
memdict[memkey] = step
elif memdict[memkey] < step:
memdict[memkey] = step
memcache.set_multi(memdict)
