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#
# Copyright (C) 2014 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 02110-1301, USA.
#
"""
Renderer for barcodes, SVG extention for Inkscape.
For supported barcodes see Barcode module directory.
"""
# This lists all known Barcodes missing from this package
# ===== UPC-Based Extensions ====== #
# Code11
# ========= Code25-Based ========== #
# Codabar
# Postnet
# ITF25
# ========= Alpha-numeric ========= #
# Code39Mod
# USPS128
# =========== 2D Based ============ #
# PDF417
# PDF417-Macro
# PDF417-Truncated
# PDF417-GLI
import sys
class NoBarcode(object):
"""Simple class for no barcode"""
def generate(self):
return None
def getBarcode(code, **kw):
"""Gets a barcode from a list of available barcode formats"""
if not code:
return sys.stderr.write("No barcode format given!\n")
code = str(code).replace('-', '').strip()
mod = 'Barcode'
try:
return getattr(__import__(mod+'.'+code, fromlist=[mod]), code)(kw)
except ImportError:
sys.stderr.write("Invalid type of barcode: %s\n" % code)
except AttributeError:
sys.stderr.write("Barcode module is missing barcode class: %s\n" % code)
return NoBarcode()
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