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[ Source: indexed-gzip  ]

Package: python3-indexed-gzip (1.10.3-1 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
alpha (unofficial port) 1.10.3-1 454.2 kB4,608.0 kB [list of files]
amd64 1.10.3-1 480.8 kB4,426.0 kB [list of files]
arm64 1.10.3-1 440.2 kB4,415.0 kB [list of files]
armhf 1.10.3-1 453.7 kB4,216.0 kB [list of files]
hppa (unofficial port) 1.10.3-1 459.8 kB4,572.0 kB [list of files]
i386 1.10.3-1 478.8 kB4,512.0 kB [list of files]
ia64 (unofficial port) 1.7.0-1.1 996.6 kB5,858.0 kB [list of files]
loong64 1.10.3-1 462.2 kB4,542.0 kB [list of files]
m68k (unofficial port) 1.10.3-1 440.5 kB4,354.0 kB [list of files]
ppc64 (unofficial port) 1.10.3-1 469.6 kB4,612.0 kB [list of files]
ppc64el 1.10.3-1 473.6 kB4,606.0 kB [list of files]
riscv64 1.10.3-1 471.0 kB4,250.0 kB [list of files]
s390x 1.10.3-1 461.4 kB4,450.0 kB [list of files]
sh4 (unofficial port) 1.10.3-1 518.6 kB4,344.0 kB [list of files]
sparc64 (unofficial port) 1.10.3-1 427.9 kB5,767.0 kB [list of files]
x32 (unofficial port) 1.8.7-3+b3 1,054.9 kB37,779.0 kB [list of files]