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[ Source: indexed-gzip  ]

Package: python3-indexed-gzip (1.7.0-1.1 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 for all available architectures
Architecture Version Package Size Installed Size Files
alpha (unofficial port) 1.7.0-1.1 837.3 kB3,682.0 kB [list of files]
amd64 1.7.0-1.1 940.4 kB3,130.0 kB [list of files]
arm64 1.7.0-1.1 760.7 kB2,842.0 kB [list of files]
armel 1.7.0-1.1 791.6 kB2,824.0 kB [list of files]
armhf 1.7.0-1.1 823.9 kB2,048.0 kB [list of files]
hppa (unofficial port) 1.7.0-1.1 864.0 kB4,183.0 kB [list of files]
i386 1.7.0-1.1 919.6 kB3,448.0 kB [list of files]
ia64 (unofficial port) 1.7.0-1.1 996.6 kB5,858.0 kB [list of files]
m68k (unofficial port) 1.7.0-1.1 783.1 kB2,846.0 kB [list of files]
mips64el 1.7.0-1.1 712.0 kB3,263.0 kB [list of files]
ppc64 (unofficial port) 1.7.0-1.1 827.0 kB3,754.0 kB [list of files]
ppc64el 1.7.0-1.1 847.2 kB3,546.0 kB [list of files]
riscv64 1.7.0-1.1 876.9 kB2,254.0 kB [list of files]
s390x 1.7.0-1.1 818.2 kB3,058.0 kB [list of files]
sh4 (unofficial port) 1.7.0-1.1 1,093.4 kB2,660.0 kB [list of files]
sparc64 (unofficial port) 1.7.0-1.1 733.0 kB6,388.0 kB [list of files]
x32 (unofficial port) 1.6.4-2+b2 561.6 kB1,665.0 kB [list of files]