annotate mupdf-source/thirdparty/brotli/python/brotli.py @ 46:7ee69f120f19 default tip

>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
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1 # Copyright 2016 The Brotli Authors. All rights reserved.
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2 #
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3 # Distributed under MIT license.
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4 # See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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6 """Functions to compress and decompress data using the Brotli library."""
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8 import _brotli
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10 # The library version.
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11 version = __version__ = _brotli.__version__
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13 # The compression mode.
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14 MODE_GENERIC = _brotli.MODE_GENERIC
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15 MODE_TEXT = _brotli.MODE_TEXT
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16 MODE_FONT = _brotli.MODE_FONT
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18 # The Compressor object.
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19 Compressor = _brotli.Compressor
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21 # The Decompressor object.
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22 Decompressor = _brotli.Decompressor
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24 # Compress a byte string.
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25 def compress(string, mode=MODE_GENERIC, quality=11, lgwin=22, lgblock=0):
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26 """Compress a byte string.
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28 Args:
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29 string (bytes): The input data.
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30 mode (int, optional): The compression mode; value 0 should be used for
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31 generic input (MODE_GENERIC); value 1 might be beneficial for UTF-8 text
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32 input (MODE_TEXT); value 2 tunes encoder for WOFF 2.0 data (MODE_FONT).
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33 Defaults to 0.
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34 quality (int, optional): Controls the compression-speed vs compression-
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35 density tradeoff. The higher the quality, the slower the compression.
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36 Range is 0 to 11. Defaults to 11.
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37 lgwin (int, optional): Base 2 logarithm of the sliding window size. Range
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38 is 10 to 24. Defaults to 22.
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39 lgblock (int, optional): Base 2 logarithm of the maximum input block size.
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40 Range is 16 to 24. If set to 0, the value will be set based on the
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41 quality. Defaults to 0.
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43 Returns:
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44 The compressed byte string.
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46 Raises:
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47 brotli.error: If arguments are invalid, or compressor fails.
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48 """
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49 compressor = Compressor(mode=mode, quality=quality, lgwin=lgwin,
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50 lgblock=lgblock)
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51 return compressor.process(string) + compressor.finish()
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53 # Decompress a compressed byte string.
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54 decompress = _brotli.decompress
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56 # Raised if compression or decompression fails.
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57 error = _brotli.error