def __set__(self, instance, value):
recipe_categories = instance.xml.xpath('./head/recipe_categories')
if len(recipe_categories) != 0:
instance.xml.head.remove(recipe_categories[0])
value = self._remove_duplicates(value)
if len(value) > 0:
el = E.recipe_categories()
for item in value:
el.append(E.category(code=item.code))
instance.xml.head.append(el)
def invoice_begin(self, **kwargs):
defined_args = dict(invoice_type=('invoice', 'pharmacy'),
number=None,
nip=None,
description=('both', 'original'),
paymentname=None,
paymentdate=None,
recipient=None,
issuer=None,
copies=None,
margins=('yes', 'no'),
signarea=('yes', 'no'),
customernameoptions=('info', 'all', 'none'),
sellernameoptions=('info', 'all', 'none'),
paidlabel=None,
selldate=None,
buyerlabel=None,
additionalinfo=None)
cmd = E.invoice()
cmd.set('action', 'begin')
# Prepare options
options = set(kwargs.pop('options', []))
if options:
for op in options:
if op in range(1, 20):
op_tag = cmd.append(E.option('', id=str(op)))
# Prepare customer info
customer = kwargs.pop('customer', [])
for cust in customer:
cust_tag = cmd.append(E.customer(cust))
args = {}
for name, value in kwargs.items():
if name not in defined_args:
raise TypeError('Unknown argument: {}'.format(name))
allowed_values = defined_args.get(name)
if allowed_values is not None and value not in allowed_values:
raise TypeError(
'Argument {} has wrong value: {} (not in {})'.format(
name, value, allowed_values))
if value is not None:
cmd.set(name, str(value))
self.send_command(cmd, check_for_errors=True)
def non_fiscal_printout(self, lines, systemno='', nonfiscalheader='yes'):
cmd = E.nonfiscalprintout('',
systemno=systemno,
nonfiscalheader=nonfiscalheader)
for line in lines:
if isinstance(line, collections.Mapping):
text = line.pop('text', '')
cmd.append(E.line(text, **line))
else:
# Just a text line
cmd.append(E.line(line))
self.send_command(cmd, check_for_errors=True)
def receipt_begin(self, mode='online', pharmaceutical='no'):
cmd = E.receipt('',
action='begin',
mode=mode,
pharmaceutical=pharmaceutical)
self.send_command(cmd, check_for_errors=True)
def markup(self, value, name, descid):
cmd = E.discount('',
value=value,
name=name,
descid=str(descid),
action='markup')
self.send_command(cmd, check_for_errors=True)
def invoice_close(self, total, systemno, checkout, cashier, buyer):
cmd = E.invoice('',
action='close',
total=str(total),
systemno=systemno,
checkout=checkout,
cashier=cashier,
buyer=buyer)
self.send_command(cmd, check_for_errors=True)
def payment_add(self, type_, value, rate=1, mode='payment', name=''):
cmd = E.payment('',
action='add',
type=type_,
value=str(value),
rate=str(rate),
mode=mode,
name=name)
self.send_command(cmd, check_for_errors=True)
def ingredients(self, value):
for node in self.xml.xpath('./ingredient'):
node.getparent().remove(node)
for item in value:
self.xml.append(
E.ingredient(
code=item.code,
amount=item.amount if hasattr(item, 'amount') else '',
unit=item.unit if hasattr(item, 'unit') else '',
details=item.details if hasattr(item, 'details') else ''))
def info_checkout(self, type_='receipt'):
cmd = E.info('',
action='checkout',
type=type_,
isfiscal='?',
lasterror='?')
return self.send_command(
cmd,
read_reply=True,
).info
def taxrates_get(self):
cmd = E.taxrates('', action='get')
res = self.send_command(
cmd,
read_reply=True,
)
tax_rates = [(ptu.get('name'), ptu.text) for ptu in res.taxrates.ptu]
return tax_rates
def init(self, title=None, style=None, **body):
self.html = E.html(E.head(), E.body(E.div(), **body))
self.html.body.div.set('class', 'container')
if title:
self.html.head.append(E.title(title))
if style:
self.html.head.append(E.style(style, type='text/css'))
def item(self,
name,
quantity,
quantityunit,
ptu,
price,
plu='',
action='sale',
recipe='',
charge='',
description='',
discount_name='',
discount_value=None,
discount_descid=0):
if discount_value is not None:
dsc = E.discount('',
action='discount',
name=discount_name,
value=discount_value,
descid=str(discount_descid))
else:
dsc = ''
cmd = E.item(dsc,
name=name,
quantity=str(quantity),
quantityunit=quantityunit,
ptu=ptu,
price=str(price),
plu=plu,
action=action,
recipe=recipe,
charge=charge,
description=description)
self.send_command(cmd, check_for_errors=True)
def receipt_close(self,
total,
systemno,
checkout,
cashier,
charge=None,
nip=None):
cmd = E.receipt('',
action='close',
total=str(total),
systemno=systemno,
checkout=checkout,
cashier=cashier)
if charge is not None:
cmd.set('charge', str(charge))
if nip is not None:
cmd.set('nip', nip)
self.send_command(cmd, check_for_errors=True)
def test_etree_to_bytes():
assert etree_to_bytes(E.dle()) == b'<dle/>'
def test_send_existing_command(printer):
pkt = printer.send_command(E.dle(), True)
assert pkt.dle.get('online') in ('yes', 'no')
def test_send_not_existing_command(printer):
printer.set_error('silent')
with pytest.raises(ProtocolError):
pkt = printer.send_command(E.not_existing(), False, True)
def receipt_cancel(self):
cmd = E.receipt('', action='cancel')
self.send_command(cmd, check_for_errors=True)
def get_error(self):
cmd = E.error('', action='get', value='')
return int(self.send_command(cmd, True).error.get('value'))
def set_error(self, value):
cmd = E.error('', action='set', value=value)
self.send_command(cmd)
def open_drawer(self):
cmd = E.control('', action='drawer')
self.send_command(cmd, check_for_errors=True)
def test_assemble_packet_crc():
assert etree_to_bytes(assemble_packet(
E.dle(), True)) == b'<packet crc="4259D34E"><dle/></packet>'
def test_assemble_packet_no_crc():
assert etree_to_bytes(assemble_packet(
E.dle())) == b'<packet><dle/></packet>'
def dle(self):
return self.send_command(E.dle(), True).dle.attrib
def __init__(self, package_name='data_server', folder='templates'):
self.env = Environment(loader=PackageLoader(package_name, folder))
self.html = E.html()
def enq(self):
return self.send_command(E.enq(), True).enq.attrib
def generate_table(self, col, **kwargs):
table = E.table(**kwargs)
for attr, value in col:
table.append(E.tr(E.td(value, **attr)))
return table
def invoice_cancel(self):
cmd = E.invoice('', action='cancel')
self.send_command(cmd, check_for_errors=True)