dibbler/printer_helpers.py

34 lines
1.1 KiB
Python

import barcode
from brother_ql import BrotherQLRaster
from brother_ql import create_label
from brother_ql.backends import backend_factory
from barcode_helpers import BrotherLabelWriter
def print_bar_code(barcode_value, barcode_text, barcode_type="ean13", rotate=False, printer_type="QL-700",
label_type="62"):
bar_coder = barcode.get_barcode_class(barcode_type)
wr = BrotherLabelWriter(typ=label_type, rot=rotate*90, text=barcode_text, max_height=1000)
test = bar_coder(barcode_value, writer=wr)
fn = test.save(barcode_value)
print_image(fn, printer_type, label_type, rotate*90)
def print_image(fn, printer_type="QL-700", label_type="62", rotate=0):
qlr = BrotherQLRaster(printer_type)
qlr.exception_on_warning = True
create_label(qlr, fn, label_type, threshold=70, cut=True, rotate=rotate)
be = backend_factory("pyusb")
list_available_devices = be['list_available_devices']
BrotherQLBackend = be['backend_class']
ad = list_available_devices()
assert ad
string_descr = ad[0]['string_descr']
printer = BrotherQLBackend(string_descr)
printer.write(qlr.data)