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+#!/usr/bin/env python
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+"""print_label.py - print a label with the name, the company and the person_id (in a barcode) of an attendee
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+
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+Copyright 2015 Emiliano Mattioli <oloturia AT gmail.com>
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+ Davide Alberani <da@erlug.linux.it>
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+ RaspiBO <info@raspibo.org>
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+
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+Licensed under the Apache License 2.0
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+"""
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+
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+import os
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+import sys
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+import cups
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+import time
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+import tempfile
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+from PIL import Image, ImageFont, ImageDraw
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+
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+KEEP_IMG = True
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+LABEL_WIDTH = 6744
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+LABEL_HEIGHT = 1872
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+
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+FONT_TEXT = 'Ubuntu-C.ttf'
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+#FONT_TEXT = 'CONCIBB_.TTF'
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+FONT_TEXT_ENCODING = 'latin-1'
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+FONT_BARCODE = 'free3of9.ttf'
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+
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+PRINTER_NAME = None
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+PRINTER_NAME = 'DYMO_LabelWriter_450'
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+
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+
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+def debug(msg):
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+ print '%s: %s' % (time.time(), msg)
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+
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+
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+def _get_resource(filename):
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+ return os.path.join(os.path.dirname(sys.argv[0]), filename)
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+
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+
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+def build_label(w, h, barcode_text, line1, line2, font_text=FONT_TEXT, font_barcode=FONT_BARCODE):
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+ debug('build_label start')
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+ barcode_text = "*" + barcode_text + "*"
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+ line1 = unicode(line1, 'utf-8').encode(FONT_TEXT_ENCODING, 'ignore')
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+ line2 = unicode(line2, 'utf-8').encode(FONT_TEXT_ENCODING, 'ignore')
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+ fontbar = ImageFont.truetype(_get_resource(font_barcode), 1000)
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+ fontname = ImageFont.truetype(_get_resource(font_text), 550)
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+ fontjob = ImageFont.truetype(_get_resource(font_text), 360)
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+ debug('build_label font done')
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+ image = Image.new('RGB', (w, h), (255, 255, 255))
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+ draw = ImageDraw.Draw(image)
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+ wbar, hbar = draw.textsize(barcode_text, font=fontbar)
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+ wnorm1, hnorm1 = draw.textsize(line1, font=fontname)
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+ wnorm2, hnorm2 = draw.textsize(line2, font=fontjob)
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+ debug('build_label height calc done')
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+ draw.text(((w-wnorm1)/2, -670+(h-hnorm1)/2), line1, (0, 0, 0), font=fontname)
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+ draw.text(((w-wnorm2)/2, -220+(h-hnorm2)/2), line2, (0, 0, 0), font=fontjob)
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+ draw.text(((w-wbar)/2, 425+(h-hbar)/2), barcode_text, (0, 0, 0), font=fontbar)
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+ debug('build_label draw text done')
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+ if not KEEP_IMG:
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+ tmpfile = tempfile.NamedTemporaryFile(prefix='eventman_print_label_', suffix='.png')
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+ else:
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+ tmpfile = tempfile.mktemp(prefix='eventman_print_label_', suffix='.png')
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+ tmpfile = open(tmpfile, 'wb')
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+ image.save(tmpfile, dpi=[600, 300], format='png')
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+ debug('build_label end')
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+ return tmpfile
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+
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+
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+def print_label(label_file, name):
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+ debug('print_label start')
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+ conn = cups.Connection()
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+ printer = PRINTER_NAME or conn.getDefault()
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+ debug('print_label connection done')
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+ conn.printFile(printer, label_file.name, name, {})
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+ debug('print_label end')
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+
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+
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+def run():
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+ debug('run start')
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+ # Always consume stdin.
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+ sys.stdin.read()
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+ name = ' '.join([os.environ.get('NAME') or '', os.environ.get('SURNAME') or ''])
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+ company = os.environ.get('COMPANY') or ''
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+ # Print the decimal value SEQ as an hex of at least 6 digits.
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+ seq = os.environ.get('SEQ_HEX', '0')
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+ label_file = build_label(LABEL_WIDTH, LABEL_HEIGHT, seq, name, company)
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+ print_label(label_file, name)
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+ debug('run end')
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+
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+
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+if __name__ == '__main__':
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+ try:
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+ run()
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+ except Exception, e:
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+ sys.stderr.write('print_label. Exception raised: %s\n' % e)
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+
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hackinbo
