def test_bmp(self):
"""
test if the classmethods in bmp work
"""
bignum = 4321056789
fcd_seq = [0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xf5, 0xf6, 0xf7, 0xf8, 0xf9]
self.assertEqual(
BCD.encode_fcd(bignum),
fcd_seq)
self.assertEqual(
BCD.decode_fcd(fcd_seq),
bignum)
def register(self, config_byte, **kwargs):
"""
registers this ECR at the PT, locking menus
for real world conditions.
"""
kwargs = dict(kwargs)
if self.password:
kwargs['password'] = self.password
if config_byte is not None:
kwargs['config_byte'] = config_byte
ret = self.transmit(Registration(**kwargs))
if ret == TRANSMIT_OK:
# get the terminal-id if its there.
for inc, packet in self.transmitter.last_history:
if inc and isinstance(packet, Completion):
if 'tid' in packet.bitmaps_as_dict().keys():
self.terminal_id = packet.bitmaps_as_dict()\
.get('tid', BCD(0)).value()
# remember this.
self._state_registered = True
return ret
def get_end_of_day_information(self):
"""
if this status information is sent in an end of day cycle,
it contains the end of day information, making it a type of
subpacket of itself.
@returns: a dictionary holding end-of-day information.
- returns an empty dictionary if there is no total amount
- returns total amount at least in key 'amount'
- tries to decipher credit card data into following format:
number-<creditcard>, turnover-<creditcard>
creditcard being [ec-card, jcb, eurocard, amex, visa, diners,
remaining]
- receipt-number-start, receipt-number-end contain the range of
receipts
"""
ret = {}
# create a dictionary of bitmaps:
bdict = self.bitmaps_as_dict()
# at least amount should be present:
if 'amount' not in bdict.keys():
return {}
else:
ret = {
'amount': int(bdict['amount'].value()),
}
# bitmap 0x60 (totals) contains the required information.
# another bitmap (amount) holds the amount
if 'totals' not in bdict.keys():
# this packet holds no detail information but an amount.
return ret
totals = bdict['totals']
totals_list = totals.value()
# totals_list = str(bdict['totals'])
# now we build our real data our of it.
# rebuild date and time.
my_time = None
my_date = None
if 'time' in bdict.keys():
# print bdict['time'].value()
mt = str(bdict['time'].value())
my_time = datetime.time(hour=int(mt[0:2]),
minute=int(mt[2:4]),
second=int(mt[4:6]))
if 'date_day' in bdict.keys():
# print bdict['date'].value()
md = str(bdict['date_day'].value())
my_date = datetime.date(year=datetime.datetime.now().year,
month=int(md[0:2]),
day=int(md[2:4]))
ret = {
'receipt-number-start':
BCD.as_int(BCD.decode_bcd(totals_list[0:2])),
'receipt-number-end':
BCD.as_int(BCD.decode_bcd(totals_list[2:4])),
'number-ec-card':
bs2hl(totals_list[4])[0],
'turnover-ec-card':
BCD.as_int(BCD.decode_bcd(totals_list[5:5 + 6])),
'number-jcb':
bs2hl(totals_list[11])[0],
'turnover-jcb':
BCD.as_int(BCD.decode_bcd(totals_list[12:12 + 6])),
'number-eurocard':
bs2hl(totals_list[18])[0],
'turnover-eurocard':
BCD.as_int(BCD.decode_bcd(totals_list[19:19 + 6])),
'number-amex':
bs2hl(totals_list[25])[0],
'turnover-amex':
BCD.as_int(BCD.decode_bcd(totals_list[26:26 + 6])),
'number-visa':
bs2hl(totals_list[32])[0],
'turnover-visa':
BCD.as_int(BCD.decode_bcd(totals_list[33:33 + 6])),
'number-diners':
bs2hl(totals_list[39])[0],
'turnover-diners':
BCD.as_int(BCD.decode_bcd(totals_list[40:40 + 6])),
'number-remaining':
bs2hl(totals_list[46])[0],
'turnover-remaining':
BCD.as_int(BCD.decode_bcd(totals_list[47:47 + 6])),
'amount':
int(bdict['amount'].value()),
'turnover-amount':
int(bdict['amount'].value()),
'date':
my_date,
'time':
my_time,
'number-total':
0,
}
# time holds simply HHMMSS (BCD)
# date holds simply mmdd (BCD)
# adding a formatted version
tn = 0
float_version = {}
for key, value in ret.items():
if key.startswith('turnover-'):
key_id = key.replace('turnover-', '')
# add a key with a formatted representation.
v = float(value) / 100.0
float_version['float-%s' % key_id] = v
elif key.startswith('number-'):
# add total numbers.
tn += int(value)
ret['number-total'] = tn
ret.update(float_version)
return ret
def get_end_of_day_information(self):
""" if this status information is sent in an end of day cycle,
it contains the end of day information, making it a type of
subpacket of itself.
@returns: a dictionary holding end-of-day information.
- returns an empty dictionary if there is no total amount
- returns total amount at least in key 'amount'
- tries to decipher credit card data into following format:
number-<creditcard>, turnover-<creditcard>
creditcard being [ec-card, jcb, eurocard, amex, visa, diners, remaining]
- receipt-number-start, receipt-number-end contain the range of receipts
"""
ret = {}
# create a dictionary of bitmaps:
bdict = self.bitmaps_as_dict()
# at least amount should be present:
if not 'amount' in bdict.keys():
return {}
else:
ret = {'amount': int(bdict['amount'].value()),}
# bitmap 0x60 (totals) contains the required information.
# another bitmap (amount) holds the amount
if not 'totals' in bdict.keys():
# this packet holds no detail information but an amount.
return ret
totals = bdict['totals']
totals_list = totals.value()
#totals_list = str(bdict['totals'])
# now we build our real data our of it.
# rebuild date and time.
my_time = None
my_date = None
if 'time' in bdict.keys():
#print bdict['time'].value()
mt = str(bdict['time'].value())
my_time = datetime.time( hour=int(mt[0:2]),
minute=int(mt[2:4]),
second=int(mt[4:6]),
)
if 'date_day' in bdict.keys():
#print bdict['date'].value()
md = str(bdict['date_day'].value())
my_date = datetime.date( year=datetime.datetime.now().year,
month=int(md[0:2]),
day=int(md[2:4]),
)
ret = {'receipt-number-start': BCD.as_int( BCD.decode_bcd( totals_list[0:2] ) ),
'receipt-number-end': BCD.as_int( BCD.decode_bcd( totals_list[2:4] ) ),
'number-ec-card': conv.bs2hl( totals_list[4] )[0],
'turnover-ec-card': BCD.as_int( BCD.decode_bcd( totals_list[5:5+6] ) ),
'number-jcb': conv.bs2hl(totals_list[11])[0],
'turnover-jcb': BCD.as_int( BCD.decode_bcd( totals_list[12:12+6] ) ),
'number-eurocard': conv.bs2hl(totals_list[18])[0],
'turnover-eurocard': BCD.as_int( BCD.decode_bcd( totals_list[19:19+6] ) ),
'number-amex': conv.bs2hl(totals_list[25])[0],
'turnover-amex': BCD.as_int( BCD.decode_bcd( totals_list[26:26+6] ) ),
'number-visa': conv.bs2hl(totals_list[32])[0],
'turnover-visa': BCD.as_int( BCD.decode_bcd( totals_list[33:33+6] ) ),
'number-diners': conv.bs2hl(totals_list[39])[0],
'turnover-diners': BCD.as_int( BCD.decode_bcd( totals_list[40:40+6] ) ),
'number-remaining': conv.bs2hl(totals_list[46])[0],
'turnover-remaining': BCD.as_int( BCD.decode_bcd( totals_list[47:47+6] ) ),
'amount': int(bdict['amount'].value()),
'turnover-amount': int(bdict['amount'].value()),
'date': my_date,
'time': my_time,
'number-total': 0,
}
# time holds simply HHMMSS (BCD)
# date holds simply mmdd (BCD)
# adding a formatted version
tn = 0
for key, value in ret.items():
if key.startswith('turnover-'):
key_id = key.replace('turnover-', '')
# add a key with a formatted representation.
v = float(value) / 100.0
ret['float-%s' % key_id] = v
elif key.startswith('number-'):
# add total numbers.
tn += int(value)
ret['number-total'] = tn
return ret
def test_bcd(self):
""" small test for bcds """
n1, n2 = 4, 5
bcd_n = 0x45
# bcd_split should create two numbers out of bcd.
self.assertEqual(BCD.bcd_split(bcd_n), (n1, n2))
# bcd unite however should create one bcd byte out of two numbers
self.assertEqual(BCD.bcd_unite((n1, n2)), bcd_n)
# now test the full ones
password = '******'
bcd_pass = [0x12, 0x34, 0x56]
password_nums = [int(x) for x in password]
self.assertEqual(BCD.encode_bcd(password),
bcd_pass)
self.assertEqual(BCD.decode_bcd(bcd_pass),
password_nums)
# test instantiation:
b = BCD(password)
b._length = 3
# print b.values()
self.assertEqual(b.value(), password)
# test dumping
b = BCD(1)
b._length = 3
b._id = 666 # this is actually impossible, but manually valid.
d = b.dump()
self.assertEqual(d,
[666, 0, 0, 1])