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Diffstat (limited to '')
| -rw-r--r-- | share/extensions/barcode/Ean5.py | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/share/extensions/barcode/Ean5.py b/share/extensions/barcode/Ean5.py new file mode 100644 index 0000000..074c970 --- /dev/null +++ b/share/extensions/barcode/Ean5.py @@ -0,0 +1,39 @@ +# 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(self.space(num)) + family = sum([int(n) * int(m) for n, m in zip(num, '39393')]) % 10 + return START + '01'.join(self.encode_interleaved(family, num, FAMS)) |