def RFIDThread(s):
while True:
rfid = nfc.getRFID(300)
if rfid != None:
TransactionState.lock.acquire()
if s.state == IDLE:
record = db.get_record(1, str(rfid))
if record != None:
s.startTransaction(rfid, RFID, record[-1])
elif s.state == PRIMED:
if rfid == s.ID and s.Type == RFID:
s.reset()
elif rfid == undo_card:
s.reset()
else:
record = db.get_record(1, str(rfid))
if record != None:
s.startTransaction(rfid, RFID, record[-1])
elif s.state == USED:
if rfid == s.ID and s.Type == RFID:
s.checkout()
TransactionState.lock.release()
time.sleep(3)
TransactionState.lock.acquire()
s.reset()
elif rfid == undo_card:
s.undo()
else:
record = db.get_record(1, str(rfid))
if record != None:
s.startTransaction(rfid, RFID, record[-1])
TransactionState.lock.release()
time.sleep(1)
def BarcodeThread(s, mainwin):
while True:
code = barcode.scan(mainwin)
record = db.get_record(1, code)
TransactionState.lock.acquire()
if s.state == IDLE:
if record != None:
s.startTransaction(code, BARCODE, record[-1])
else:
s.priceCheck(upc.lookup(code))
TransactionState.lock.release()
time.sleep(3)
TransactionState.lock.acquire()
s.reset()
elif s.state == PRIMED:
if code == s.ID and s.Type == BARCODE:
s.reset()
elif record != None:
s.startTransaction(code, BARCODE, record[-1])
else:
s.addTransaction(upc.lookup(code))
elif s.state == USED:
if code == s.ID and s.Type == BARCODE:
s.checkout()
TransactionState.lock.release()
time.sleep(3)
TransactionState.lock.acquire()
s.reset()
elif record != None:
s.startTransaction(code, BARCODE, record[-1])
else:
s.addTransaction(upc.lookup(code))
TransactionState.lock.release()
def lookup(upc):
#For demo purposes only we have a special check here to see if it is
#sprite. If it is, we use google scraping to guess.
values = simple_text_db.get_record(0,upc)
itemsOfInterest = []
if values != None:
itemsOfInterest.append(('description', values[0]))
itemsOfInterest.append(('status', 'success'))
itemsOfInterest.append(('found', True))
itemsOfInterest.append(('size', values[1]))
itemsOfInterest.append(('price', values[2]))
return dict(itemsOfInterest)
if upc != SPRITE_UPC:
s = ServerProxy('http://www.upcdatabase.com/xmlrpc')
params = { 'rpc_key': RPC_KEY, 'upc': upc }
upc_data = s.lookup(params)
if upc_data['status'] == "success" and upc_data['found']:
if 'description' in upc_data:
if upc_data['description'] != '':
itemsOfInterest.append(('description', upc_data['description']));
if 'size' in upc_data:
if upc_data['size'] != '':
itemsOfInterest.append(('size', upc_data['size']))
itemsOfInterest.append(('status', upc_data['status']))
itemsOfInterest.append(('found', upc_data['found']))
itemsOfInterest = dict(itemsOfInterest)
itemsOfInterest['price'] = 0 #get price from database here
simple_text_db.add_product(upc, itemsOfInterest['description'],
itemsOfInterest['size'], itemsOfInterest['price'])
return itemsOfInterest
elif upc_data['status'] != "success":
return upc_data
res = google_guesser.guess(upc)
if res == None:
return None
itemsOfInterest.append(('description', res))
itemsOfInterest.append(('status', 'success'))
itemsOfInterest.append(('found', True))
itemsOfInterest.append(('price', 0))
itemsOfInterest.append(('size','Not found'))
answer = dict(itemsOfInterest)
simple_text_db.add_product(upc, answer['description'], answer['size'],
answer['price'])
return dict(itemsOfInterest)