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[ Source: indexed-gzip  ]

Package: python3-indexed-gzip (0.8.6-1 and others)

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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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Download python3-indexed-gzip

Download for all available architectures
Architecture Version Package Size Installed Size Files
amd64 0.8.6-1+b1 384.6 kB1,435.0 kB [list of files]
arm64 0.8.6-1+b1 290.7 kB1,316.0 kB [list of files]
armel 0.8.6-1+b1 337.2 kB1,407.0 kB [list of files]
armhf 0.8.6-1+b1 350.0 kB959.0 kB [list of files]
i386 0.8.6-1+b1 327.1 kB1,494.0 kB [list of files]
mips 0.8.6-1+b1 271.4 kB1,554.0 kB [list of files]
mips64el 0.8.6-1+b1 273.2 kB1,538.0 kB [list of files]
mipsel 0.8.6-1+b1 280.8 kB1,554.0 kB [list of files]
ppc64el 0.8.6-1+b1 307.8 kB1,848.0 kB [list of files]
s390x 0.8.6-1+b1 317.7 kB1,521.0 kB [list of files]