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Package: python3-indexed-gzip (1.7.0-1.1ubuntu1)

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 Package Size Installed Size Files
amd64 525.6 kB1686 kB [list of files]
arm64 472.6 kB1488 kB [list of files]
armhf 510.6 kB1120 kB [list of files]
ppc64el 546.8 kB2064 kB [list of files]
riscv64 534.9 kB1315 kB [list of files]