def __init__(self):
"""Setup printer configuration
"""
from proxypos.proxypos import config
# Init printer
ptype = config.get('printer.type').lower()
settings = config.get('printer.settings')
if ptype == 'usb':
self.printer = printer.Usb(settings['idVendor'],
settings['idProduct'])
elif ptype == 'serial':
self.printer = printer.Serial(settings['devfile'])
elif ptype == 'network':
self.printer = printer.Network(settings['host'])
# Assign other default values
self.printer.pxWidth = settings['pxWidth']
# Set default widht with normal value
self.printer.width = self.printer.widthA = settings['WidthA']
self.printer.widthB = settings['WidthB']
# Set correct table character
if 'charSet' in settings:
self.printer.text(settings['charSet'])
def __init__(self):
"""Setup printer configuration
"""
from proxypos.proxypos import config
# Init printer
ptype = config.get('printer.type').lower()
settings = config.get('printer.settings')
if ptype == 'usb':
self.printer = printer.Usb(settings['idVendor'],
settings['idProduct'])
elif ptype == 'serial':
self.printer = printer.Serial(settings['devfile'])
elif ptype == 'network':
self.printer = printer.Network(settings['host'])
# Assign other default values
self.printer.pxWidth = settings['pxWidth']
# Set default widht with normal value
self.printer.width = self.printer.widthA = settings['WidthA']
self.printer.widthB = settings['WidthB']
# Set correct table character
if 'charSet' in settings:
self.printer.text(settings['charSet'])
def do_print(receipt):
# Import configuration
from proxypos.proxypos import config
import copy
# Process receipt and split content if needed
logger.debug('Max Lines configuration: %s',
str(config.get('receipt.maxLines')))
receipts = []
if (config.get('receipt.maxLines') > 0 and
len(receipt['orderlines']) > config.get('receipt.maxLines')):
logger.debug('Spliting %s', receipt['orderlines'])
# Split orderlines in chunks
chunks = _chunks(receipt['orderlines'], config.get('receipt.maxLines'))
# Process each chunk and create new receipts
for chunk in chunks:
tmpreceipt = copy.deepcopy(receipt)
# Replacer orderlines with current chunk
tmpreceipt['orderlines'] = chunk
# Recalculate total for this chunk
tmpreceipt['discount'] = _total(chunk, 'discount')
tmpreceipt['total_without_tax'] = _total(chunk, 'price_without_tax')
tmpreceipt['total_with_tax'] = _total(chunk, 'price_with_tax')
receipts.append(tmpreceipt)
else:
receipts.append(receipt)
# Here the receipts are actually printed
for receipt in receipts:
try:
logger.info('Printing receipt %s', str(receipt))
device = printer.device()
device.print_receipt(receipt)
if config.get('receipt.cutPaper'):
device.lineFeedCut(1, True)
except Exception:
logger.error('Failed to print receipt', exc_info=True)
