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Generates various barcodes using barcode.ps and pillow.

Project description

Elaphe is a python binding of Barcode Writer In Pure PostScript (http://www.terryburton.co.uk/barcodewriter/). It generates barcode symbol as PostScript code fragment using BWIPP. The generated code is then embedded in encapsulated PostScript image which can be handled by PIL.

Prerequisites

  • Python 2.7 or later (functional decorators, ternary operator, and generator expressions are used).

    Note

    Except setup.py test, code may still work on 2.5-2.6.

  • If you want to render barcode into bitmap image, EpsImagePlugin of Python Imaging Library (http://www.pythonware.com/products/pil) or Pillow is required. Note that EpsImagePlugin requires Ghostscript is correctly installed.

Simple Usage

The following example:

>>> from elaphe import barcode
>>> barcode('qrcode',
...         'Hello Barcode Writer In Pure PostScript.',
...         options=dict(version=9, eclevel='M'),
...         margin=10, data_mode='8bits'))   # Generates PIL.EpsImageFile instance
<PIL.EpsImagePlugin.EpsImageFile ... at ...>
>>> _.show() # Show rendered bitmap

will invoke some viewer which shows a QRcode symbol with 10px margin.

Remember, barcode() returns PIL image object.

0.1.1 (2016-05-25)

  • Fix packaging.
  • Switch to zest.releaser.

0.1.0 (2016-05-24)

  • First version of elaphe3 that can be installed from PyPI

Project details


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