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# coding=utf-8
#
# Copyright (C) 2016 Martin Owens
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
#
"""
Python barcode renderer for EAN2 barcodes. Designed for use with Inkscape.
"""
from .BaseEan import EanBarcode
FAMS = ["00", "01", "10", "11"]
START = "01011"
class Ean2(EanBarcode):
"""Provide an Ean5 barcode generator"""
length = 2
name = "ean5"
def _encode(self, num, guide=False):
if len(num) != 2:
num = ([0, 0] + num)[-2:]
self.text = " ".join(EanBarcode.space(num))
family = ((num[0] * 10) + num[1]) % 4
return START + "01".join(EanBarcode.encode_interleaved(family, num, FAMS))
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