72 خطوط
2.4 KiB
Python
Executable file
72 خطوط
2.4 KiB
Python
Executable file
#!/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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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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Licensed under the Apache License 2.0
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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 tempfile
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from PIL import Image, ImageFont, ImageDraw
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LABEL_WIDTH = 13488
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LABEL_HEIGHT = 3744
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FONT_TEXT = 'Ubuntu-C.ttf'
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FONT_TEXT_ENCODING = 'latin-1'
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FONT_BARCODE = 'free3of9.ttf'
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PRINTER_NAME = None
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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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def build_label(w, h, barcode_text, line1, line2, font_text=FONT_TEXT, font_barcode=FONT_BARCODE):
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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), 1200)
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fontnorm = ImageFont.truetype(_get_resource(font_text), 780)
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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=fontnorm)
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wnorm2, hnorm2 = draw.textsize(line2, font=fontnorm)
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draw.text(((w-wnorm1)/2, -1200+(h-hnorm1)/2), line1, (0, 0, 0), font=fontnorm)
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draw.text(((w-wnorm2)/2, -450+(h-hnorm2)/2), line2, (0, 0, 0), font=fontnorm)
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draw.text(((w-wbar)/2, 750+(h-hbar)/2), barcode_text, (0, 0, 0), font=fontbar)
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tmpfile = tempfile.NamedTemporaryFile(prefix='eventman_print_label_', suffix='.png')
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image.save(tmpfile, dpi=[600,300], format='png')
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return tmpfile
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def print_label(label_file, name):
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conn = cups.Connection()
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printer = PRINTER_NAME or conn.getDefault()
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conn.printFile(printer, label_file.name, name, {})
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def run():
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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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person_id = os.environ.get('PERSON_ID', '').upper()
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label_file = build_label(LABEL_WIDTH, LABEL_HEIGHT, person_id, name, company)
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print_label(label_file, name)
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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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