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[ 源代码: indexed-gzip  ]

软件包: python3-indexed-gzip (0.6.1-1)

fast random access of gzip files in Python

Drop-in replacement `IndexedGzipFile` for the built-in Python `gzip.GzipFile` class that does not need to start decompressing from the beginning of the file when for every `seek()`. It gets around this performance limitation by building an index, which contains *seek points*, mappings between corresponding locations in the compressed and uncompressed data streams. Each seek point is accompanied by a chunk (32KB) of uncompressed data which is used to initialise the decompression algorithm, allowing to start reading from any seek point. If the index is built with a seek point spacing of 1MB, only 512KB (on average) of data have to be decompressed to read from any location in the file.

This package provides the Python 3 module.

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  • dep: cython3
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  • dep: libc6 (>= 2.14) [amd64]
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    同时作为一个虚包由这些包填实: libc6-udeb
    dep: libc6 (>= 2.4) [i386]
  • dep: python3
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    dep: python3 (<< 3.7)
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  • dep: python3-numpy
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  • dep: zlib1g (>= 1:1.2.2.4)
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