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        "author": "Behdad Esfahbod",
        "author_email": "behdad@behdad.org",
        "bugtrack_url": null,
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            "Development Status :: 3 - Alpha",
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            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
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        "description": "# packTab\n\nI first wrote something like this back in 2001 when I needed it in FriBidi:\n\n  https://github.com/fribidi/fribidi/blob/master/gen.tab/packtab.c\n\nIn 2019 I wanted to use that to produce more compact Unicode data tables\nfor HarfBuzz, but for convenience I wanted to use it from Python.  While\nI considered wrapping the C code in a module, it occurred to me that I\ncan rewrite it in pure Python in a much cleaner way.  That code remains\na stain on my resume in terms of readability (or lack thereof!). :D\n\nThis Python version builds on the same ideas, but is different from the\nC version in two major ways:\n\n1. Whereas the C version uses backtracking to find best split opportunities,\n   I found that the same can be achieved using dynamic-programming.  So the\n   Python version implements the DP approach, which is much faster.\n\n2. The C version does not try packing multiple items into a single byte.\n   The Python version does.  Ie. if items fit, they might get packed into\n   1, 2, or 4 bits per item.\n\nThere's also a bunch of other optimizations, which make (eventually, when\ncomplete) the Python version more generic and usable for a wider variety\nof data tables.\n\n## TODO:\n\n- Reduce code duplication between Inner/Outer genCode().\n- Handle empty data array.\n- Bake in width multiplier into array data if doing so doesn't enlarge\n  data type.  Again, that would save ops.\n- If an array is not larger than 64 bits, inline it in code directly\n  as one integer.\n- Currently we only cull array of defaults at the end.  Do it at\n  beginning as well, and adjust split code to find optimum shift.\n- Byte reuse!  Much bigger work item.\n\n\n",
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        "license": "Apache Software License 2.0",
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        "name": "packtab",
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        "summary": "Unicode (and other integer) table packer",
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