Add LZ77 compression algorithm #8059
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cclauss merged 19 commits intoTheAlgorithms:masterfrom Dec 28, 2022
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…ing LZ77 compression algorithm
Add LZ77 compression algorithm
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compression/lz77.py
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| Class containg compress and decompress methods using LZ77 compression algorithm. | ||
| """ | ||
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| def __init__(self, window_size=13, lookahead_buffer_size=6) -> None: |
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Please provide type hint for the parameter: window_size
Please provide type hint for the parameter: lookahead_buffer_size
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Hi @cclauss, @CaedenPH, @dhruvmanila, may I ask for a PR review, thank you. |
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| self.length = length | ||
| self.indicator = indicator | ||
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| def __repr__(self) -> str: |
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As there is no test file in this pull request nor any test function or class in the file compression/lz77.py, please provide doctest for the function __repr__
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* - add "lz77_compressor" class with compress and decompress methods using LZ77 compression algorithm * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * - use "list" instead "List", formatting * - fix spelling * - add Python type hints * - add 'Token' class to represent triplet (offset, length, indicator) * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * - add test, hange type rom List to list * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * - remove extra import * - remove extra types in comments * - better test * - edit comments * - add return types * - add tests for __str__ and __repr__ * Update lz77.py * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Christian Clauss <cclauss@me.com>
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Describe your change:
Add a solution for the LZ77 compression algorithm within the "LZ77Compressor" class containing compress and decompress methods.
Checklist:
Fixes: #{$ISSUE_NO}.