Ean8.py revision 12a239f8730c2bb6e3738d5e75b3237877594d07
#
# Copyright (C) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Python barcode renderer for EAN8 barcodes. Designed for use with Inkscape.
"""
from BaseEan import EanBarcode
class Ean8(EanBarcode):
"""Provide an EAN8 barcode generator"""
name = 'ean8'
lengths = [ 7 ]
checks = [ 8 ]
def _encode(self, n):
"""Encode an ean8 barcode"""
self.label = self.space(n[:4], 3, n[4:])
return self.enclose( self.encode_left(n[:4]), self.encode_right(n[4:]) )