add barcodes python script

barcodes.py

@@ -0,0 +1,38 @@
+#!/usr/bin/python
+#
+# requires zint binary from zint package
+#
+
+from subprocess import Popen, PIPE
+import sys
+
+svghead = """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" width="1052.3622" height="744.09448" version="1.1" id="svg2" inkscape:version="0.47 r22583" sodipodi:docname="barcodes.svg">
+"""
+
+svgfoot = """
+</svg>
+"""
+
+if len(sys.argv) > 1:
+    start = int(sys.argv[1])
+else:
+    start = 0
+cntx = 7
+cnty = 10
+scalex = 1
+scaley = 0.8
+
+f = open('barcodes.svg','w')
+f.write(svghead)
+
+for i in range(cntx):
+    for j in range(cnty):
+        elem = Popen(('zint','--directsvg','-d','%06d' % (start+i*cnty+j) ), stdout = PIPE).communicate()[0].split('\n')
+        elem = elem[8:-2]
+        elem[0] = elem[0].replace('id="barcode"', 'transform="matrix(%f,0,0,%f,%f,%f)"' % (scalex, scaley, 42+i*150 , 14+j*74.3) )
+        elem[23] = 'brm - ' + elem[23].strip() + ' - lab'
+        f.write('\n'.join(elem))
+
+f.write(svgfoot)
+f.close()