def ParseMarketPricesCompressedHeader(self, marketPricesHeader, completeCompressed):
'''
Decompress the header of the compressed market prices
@param marketPricesHeader: compressed prices header string
@type marketPricesHeader: str
@param completeCompressed: whether the prices to decompress are the standard
3 level or the complete market prices
@type completeCompressed: bool
@returns: the prices header
@rtype: MarketPrices header object
'''
# Generate the object to store the information
# marketPrices = self.GetObjectExchange('MarketPrices')
if not completeCompressed:
marketPrices = bfutil.Factory.MarketPrices()
else:
marketPrices = bfutil.Factory.CompleteMarketPrices()
marketPrices.runnerPrices = list()
# Split it into its constituent parts
parts = marketPricesHeader.split('~')
# and assign it to the fields of the generated MarketPrices object
if completeCompressed == False:
marketPrices.marketId = int(parts[0])
marketPrices.currencyCode = parts[1]
marketPrices.marketStatus = parts[2]
marketPrices.delay = int(parts[3])
marketPrices.numberOfWinners = int(parts[4])
marketPrices.marketInfo = parts[5]
marketPrices.discountAllowed = bool(parts[6])
marketPrices.marketBaseRate = float(parts[7])
marketPrices.lastRefresh = bftimezone.fromTimestampString(parts[8])
marketPrices.removedRunners = parts[9]
marketPrices.bspMarket = (parts[10] == 'Y')
else:
# For completecompressed, fill the available fields and (remove) the others
marketPrices.marketId = int(parts[0])
# del marketPrices.currencyCode
# del marketPrices.marketStatus
marketPrices.delay = int(parts[1])
# del marketPrices.numberOfWinners
# del marketPrices.marketInfo
# del marketPrices.discountAllowed
# del marketPrices.marketBaseRate
# del marketPrices.lastRefresh
marketPrices.removedRunners = parts[2]
# del marketPrices.bspMarket
# return the object
return marketPrices
def __call__(self, response, **kwargs):
# Return quickly if nothing in place
if not response.marketData:
response.marketData = list()
return
# Creat a placeholder for the marketItems to be parsed
marketItems = list()
# Parse the marketItems data string - separate major fields
marketDataParts = response.marketData.split(':')
# First element is always empty ... pop it out because Betfair places a delimiter at the beginning
marketDataParts.pop(0)
toSkip = 0
for i in xrange(len(marketDataParts)):
if toSkip > 0:
toSkip -= 1
continue
# Break fields
marketItemFields = marketDataParts[i].split('~')
while len(marketItemFields) < 16:
# 2010-04-04 ... 16 is the number of fields, but the documentation says
# that there could be more in the future and to parse accordingly
toSkip += 1
# The last character of the last field should be a backslash
# pop out, strip char
lastField = marketItemFields.pop(len(marketItemFields) - 1).rstrip('\\')
# Get the extra fields needed
extraFields = marketDataParts[i + toSkip].split('~')
# join the popped out with the first one, since they were separated by the colon
# and join them with a colon
rebuiltField = lastField + ':' + extraFields.pop(0)
# Re-insert the rebuilt at the end and extend with the extra fields
marketItemFields.append(rebuiltField)
marketItemFields.extend(extraFields)
# Create a generic object and populate it with the market fields
marketItem = bfutil.Factory.MarketItem()
# marketItem = self.GetObjectExchange('Market')
marketItem.marketId = int(marketItemFields[0])
marketItem.marketName = marketItemFields[1]
marketItem.marketType = marketItemFields[2]
marketItem.marketStatus = marketItemFields[3]
marketItem.marketTime = bftimezone.fromTimestampString(marketItemFields[4])
menuPathParts = list()
menuParts = marketItemFields[5].split('\\')
for menuPart in menuParts:
menuPathParts.append(menuPart.rstrip())
# Hack to remove unexistent 'Group X' menu path for the 4 events
if menuPathParts[1] in ('Tennis', 'Golf', 'Cricket', 'Rugby Union'):
if 'Group' in menuPathParts[2]:
menuPathParts.pop(2)
marketItem.menuPathParts = menuPathParts
marketItem.menuPath = '\\'.join(menuPathParts)
# Save the broken down menupath parts
marketItem.menuPathParts = menuPathParts
# Pop the initial empty element from the list
marketItem.menuPathParts.pop(0)
eventHierarchyStrings = marketItemFields[6].split('/')
if len(eventHierarchyStrings):
# if the event hierarchy is not empty
# skip the leading '/' by popping the empty token
eventHierarchyStrings.pop(0)
marketItem.eventHierarchy = list()
for ident in eventHierarchyStrings:
marketItem.eventHierarchy.append(long(ident))
marketItem.delay = int(marketItemFields[7])
marketItem.exchangeId = int(marketItemFields[8])
marketItem.countryISO3 = marketItemFields[9]
marketItem.lastRefresh = bftimezone.fromTimestampString(marketItemFields[10])
marketItem.numberOfRunners = int(marketItemFields[11])
marketItem.numberOfWinners = int(marketItemFields[12])
marketItem.totalAmountMatched = float(marketItemFields[13])
marketItem.bspMarket = (marketItemFields[14] == 'Y')
marketItem.turningInPlay = (marketItemFields[15] == 'Y')
marketItems.append(marketItem)
response.marketData = marketItems
