1 #
2 # Copyright (C) 2010 Martin Owens
3 #
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 #
18 """
19 Python barcode renderer for EAN8 barcodes. Designed for use with Inkscape.
20 """
22 from BaseEan import EanBarcode
24 class Object(EanBarcode):
25 """Provide an EAN8 barcode generator"""
26 name = 'ean8'
27 lengths = [ 7 ]
28 checks = [ 8 ]
30 def _encode(self, n):
31 """Encode an ean8 barcode"""
32 self.label = self.space(n[:4], 3, n[4:])
33 return self.enclose( self.encode_left(n[:4]), self.encode_right(n[4:]) )