Package nicelier
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parent
6d7075f433
commit
378ed9a56a
2 changed files with 38 additions and 13 deletions
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@ -1,9 +1,17 @@
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#!/usr/bin/env python3
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import tspl
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import pdf2tspl
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import socket
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import logging
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import tempfile
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import sys
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if len(sys.argv) != 2:
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print("Usage: %s /dev/path/to/printer" % sys.argv[0])
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sys.exit(1)
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printer = sys.argv[1]
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open(printer, 'wb').close()
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logging.basicConfig(level=logging.DEBUG)
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@ -37,7 +45,10 @@ def accept_one_job(sock):
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with tempfile.NamedTemporaryFile(suffix=".pdf") as pdffile:
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pdffile.write(pdf_data)
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pdffile.flush()
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tspl.print_pdf(pdffile.name)
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tspl = pdf2tspl.pdf2tspl(pdffile.name)
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with open(printer, 'wb') as fp:
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fp.write(tspl)
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logging.info('Job complete')
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@ -43,7 +43,7 @@ def convert_pdf_scaled(pdfname, max_width, max_height):
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return im
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def pdf2tspl(filename, labelwidth_mm=100, labelheight_mm=150, dpi=203):
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def pdf2tspl(filename, labelwidth_mm=100, labelheight_mm=150, dpi=203.2):
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labelwidth = int(round(labelwidth_mm / 25.4 * dpi))
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labelheight = int(round(labelheight_mm / 25.4 * dpi))
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@ -53,16 +53,30 @@ def pdf2tspl(filename, labelwidth_mm=100, labelheight_mm=150, dpi=203):
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paste_y = (labelheight - image.height) // 2
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row_bytes = (image.width + 7) // 8
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command = b"\r\n\r\nSIZE %d mm\r\nCLS\r\nBITMAP %d,%d,%d,%d,0," % (labelwidth_mm, paste_x, paste_y, row_bytes, image.height)
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command += image.data
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command += b"\r\nPRINT 1,1\r\n"
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return command
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def print_pdf(filename):
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cmd = pdf2tspl(filename)
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with open("/dev/usb/lp0", "r+b") as prn:
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prn.write(cmd)
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tspl = b"\r\n\r\nSIZE %d mm,%d mm\r\nCLS\r\nBITMAP %d,%d,%d,%d,0," % (labelwidth_mm, labelheight_mm, paste_x, paste_y, row_bytes, image.height)
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tspl += image.data
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tspl += b"\r\nPRINT 1,1\r\n"
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return tspl
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if __name__ == "__main__":
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import argparse
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import sys
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print_pdf(sys.argv[1])
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parser = argparse.ArgumentParser(description='Convert a PDF to TSPL to send to a label printer.')
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parser.add_argument('pdf_file', help='The PDF to convert.')
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parser.add_argument('tspl_file', help='The file or device to write the TSPL code to. Can be a printer device eg. /dev/usb/lp0, or specify "-" to write to stdout.')
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parser.add_argument('-x', '--width', type=int, default=100, help='The width of the label, in millimetres.')
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parser.add_argument('-y', '--height', type=int, default=150, help='The height of the label, in millimetres.')
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parser.add_argument('-d', '--dpi', type=float, default=203.2, help='Resolution of the printer. Defaults to 8 dots per mm (203.2 dpi)')
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args = parser.parse_args()
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tspl = pdf2tspl(args.pdf_file,
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labelwidth_mm=args.width,
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labelheight_mm=args.height,
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dpi=args.dpi)
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if args.tspl_file == '-':
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sys.stdout.buffer.write(tspl)
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else:
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with open(args.tspl_file, 'wb') as fp:
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fp.write(tspl)
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