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[ Source: indexed-gzip  ]

Package: python3-indexed-gzip (1.8.7-3)

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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 for all available architectures
Architecture Package Size Installed Size Files
amd64 1,052.1 kB38,437.0 kB [list of files]
arm64 971.1 kB36,428.0 kB [list of files]
armel 894.4 kB31,645.0 kB [list of files]
armhf 978.9 kB35,873.0 kB [list of files]
i386 948.8 kB33,180.0 kB [list of files]
mips64el 915.7 kB34,117.0 kB [list of files]
ppc64el 932.9 kB33,070.0 kB [list of files]
riscv64 931.2 kB32,190.0 kB [list of files]
s390x 1,567.7 kB42,461.0 kB [list of files]