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# coding=utf-8
#
# Copyright (C) 2009 Aaron C Spike
# 2010 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 EAN5 barcodes. Designed for use with Inkscape.
"""
from .BaseEan import EanBarcode
FAMS = [
"11000",
"10100",
"10010",
"10001",
"01100",
"00110",
"00011",
"01010",
"01001",
"00101",
]
START = "01011"
class Ean5(EanBarcode):
"""Provide an Ean5 barcode generator"""
name = "ean5"
length = 5
def _encode(self, num, guide=False):
self.text = " ".join(EanBarcode.space(num))
family = sum([int(n) * int(m) for n, m in zip(num, "39393")]) % 10
return START + "01".join(EanBarcode.encode_interleaved(family, num, FAMS))
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