Print barcodes on a zebra printer

print_barcode.py

import sys

# needs pip install zebra
from zebra import zebra

# Replace the string below.
# You can get valid names from zebra().getqueues()
printer_name = "Zebra_Technologies_ZTC_GC420d__EPL__2"
z = zebra(printer_name)

# Assumes a 1" W x 3" H label mounted at the center
# of a 4 x 6 label printer
z.setup(
    direct_thermal=False,
    label_height=(600, 12),
    label_width=800
)

template = """^XA
^FO400,165^BY4,2,4^B3R,N,55,Y,N^FD%s^FS
^XZ"""


def print_barcode(barcode):
    z.output(template % barcode)


if __name__ == '__main__':
    print_barcode('F3')