{
    "info": {
        "author": "Ivan Habunek",
        "author_email": "ivan.habunek@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 4 - Beta",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6"
        ],
        "description": "===================================\nPDF417 barcode generator for Python\n===================================\n\n.. image:: https://img.shields.io/travis/mosquito/pdf417.svg?maxAge=3600&style=flat-square\n   :target: https://travis-ci.org/mosquito/pdf417\n\n.. image:: https://img.shields.io/badge/author-%40mosquito-blue.svg?maxAge=3600&style=flat-square\n   :target: https://twitter.com/mosquito\n\n.. image:: https://img.shields.io/github/license/mosquito/pdf417.svg?maxAge=3600&style=flat-square\n   :target: https://opensource.org/licenses/MIT\n\n.. image:: https://img.shields.io/pypi/v/pdf417.svg?maxAge=3600&style=flat-square\n   :target: https://pypi.python.org/pypi/pdf417\n\n\nEasily encode your data into a 2D barcode using the PDF417 format.\n\n.. image:: https://raw.githubusercontent.com/mosquito/pdf417/master/images/1_basic.jpg\n\nLicensed under the MIT License, see `LICENSE <LICENSE>`_.\n\nInstallation\n------------\n\nInstall using pip:\n\n.. code-block::\n\n    pip install pdf417\n\n\nCLI\n---\n\nThe ``pdf417gen`` command can be used to generate a barcode from commandline. It\ntakes the input either as an argument or from stdin.\n\n.. code-block:: bash\n\n    # Show help\n    pdf417gen encode --help\n\n    # Encode given text and display the barcode\n    pdf417gen encode \"Beautiful is better than ugly\"\n\n    # Encode given text and save barcode to a file (extension determines format)\n    pdf417gen encode -o barcode.png \"Explicit is better than implicit\"\n\n    # Input from a file\n    pdf417gen encode < input.txt\n\n    # Piped input\n    python -c \"import this\" | pdf417gen encode\n\n\nUsage\n-----\n\nCreating bar codes is done in two steps:\n\n* Encode a string to a list of code words using ``encode()``\n* Render the barcode using one of the rendering functions: ``render_image()``,\n  ``render_svg()``.\n\nUsage overview:\n\n.. code-block:: python\n\n    from pdf417 import encode, render_image, render_svg\n\n    # Some data to encode\n    text = \"\"\"Beautiful is better than ugly.\n    Explicit is better than implicit.\n    Simple is better than complex.\n    Complex is better than complicated.\"\"\"\n\n    # Convert to code words\n    codes = encode(text)\n\n    # Generate barcode as image\n    image = render_image(codes)  # Pillow Image object\n    image.save('barcode.jpg')\n\n    # Generate barcode as SVG\n    svg = render_svg(codes)  # ElementTree object\n    svg.write(\"barcode.svg\")\n\n\nSupports strings (unicode in py2) and byte arrays (str in py2):\n\n.. code-block:: python\n\n    # These two inputs encode to the same code words\n    encode(u\"love \ud83d\udc94\")\n    encode(b\"love \\xf0\\x9f\\x92\\x94\")\n\n    # Default encoding is UTF-8, but you can specify your own\n    encode(u\"love \ud83d\udc94\", encoding=\"utf-8\")\n\n\n\nEncoding data\n-------------\n\nThe first step is to encode your data to a list of code words.\n\n.. code-block:: python\n\n    encode(data, columns=6, security_level=2)\n\nColumns\n~~~~~~~\n\nThe bar code size can be customized by defining the number of columns used to\nrender the data, between 1 and 30, the default value is 6. A bar code can have a\nmaximum of 90 rows, so for larger data sets you may need to increase the number\nof columns to decrease the rows count.\n\n.. code-block:: python\n\n    codes = encode(text, columns=12)\n    image = render_image(codes)\n    image.show()\n\n.. image:: https://raw.githubusercontent.com/mosquito/pdf417/master/images/2_columns.jpg\n\nSecurity level\n~~~~~~~~~~~~~~\n\nIncreasing the security level will produce stronger (and more numerous) error\ncorrection codes, making the bar code larger, but less prone to corruption. The\nsecurity level can range from 0 to 8, and procuces ``2^(level+1)`` error\ncorrection code words, meaning level 0 produces 2 code words and level 8\nproduces 512. The default security level is 2.\n\n.. code-block:: python\n\n    codes = encode(text, columns=12, security_level=6)\n    image = render_image(codes)\n    image.show()\n\n.. image:: https://raw.githubusercontent.com/mosquito/pdf417/master/images/3_security_level.jpg\n\nAuto Numeric Compaction Mode\n----------------------------\n\nThis mode can pack almost 3 digits (2.93) info a symbol character.\nThe words with length less 13 symbols will be invoked as Text\n\n.. code-block:: python\n\n    codes = encode(text, numeric_compaction=True)\n\n\nRender image\n------------\n\nThe ``render_image`` function takes the following options:\n\n* ``scale`` - module width, in pixels (default: 3)\n* ``ratio`` - module height to width ratio (default: 3)\n* ``padding`` - image padding, in pixels (default: 20)\n* ``fg_color`` - foreground color (default: ``#000000``)\n* ``bg_color`` - background color (default: ``#FFFFFF``)\n\n.. note::\n\n   A module is the smallest element of a barcode, analogous to a pixel. Modules\n   in a PDF417 bar code are tall and narrow.\n\nThe function returns a Pillow Image_ object containing the barcode.\n\nColors can be specified as hex codes or using HTML color names.\n\n.. code-block:: python\n\n    codes = encode(text, columns=3)\n    image = render_image(codes, scale=5, ratio=2, padding=5, fg_color=\"Indigo\", bg_color=\"#ddd\")\n    image.show()\n\n.. image:: https://raw.githubusercontent.com/mosquito/pdf417/master/images/4_rendering.jpg\n\nRender SVG\n----------\n\nThe ``render_svg`` function takes the following options:\n\n* ``scale`` - module width, in pixels (default: 3)\n* ``ratio`` - module height to width ratio (default: 3)\n* ``padding`` - image padding, in pixels (default: 20)\n* ``color`` - foreground color (default: `#000000`)\n\nThe function returns a ElementTree_ object containing the barcode in SVG format.\n\nUnlike ``render_image``, this function does not take a background color option.\nThe background is left transparent.\n\n.. code-block:: python\n\n    codes = encode(text, columns=3)\n    svg = render_svg(codes, scale=5, ratio=2, color=\"Seaweed\")\n    svg.write('barcode.svg')\n\nSee also\n~~~~~~~~\n\n* pdf417-php_ - a PHP implementation\n* golang-pdf417_ - a Go implementation\n* Specifications_ - USS-PDF-417\n\n.. _pdf417-php: https://github.com/ihabunek/pdf417-php\n.. _golang-pdf417: https://github.com/ruudk/golang-pdf417\n.. _ElementTree: https://docs.python.org/3.5/library/xml.etree.elementtree.html#elementtree-objects\n.. _Image: https://pillow.readthedocs.io/en/3.2.x/reference/Image.html\n.. _Specifications: https://www.expresscorp.com/public/uploads/specifications/44/USS-PDF-417.pdf",
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