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11 Commits

Author SHA1 Message Date
Thomas Waldmann a0330d578e
run black 23.1.0 on the code 2023-02-01 12:30:37 +01:00
Thomas Waldmann 7957af562d blacken all the code 
https://black.readthedocs.io/
 2022-07-06 16:34:38 +02:00
Thomas Waldmann 2c25123284 check that borg does not require pytest for normal usage, fixes #6563 
also: move the note about this to the very top of the affected modules.
 2022-05-07 02:24:18 +02:00
Thomas Waldmann 6d0f9a52eb detect all-zero chunks, avoid hashing them 
comparing zeros is quicker than hashing them.
the comparison should fail quickly inside non-zero data.
 2021-01-08 17:40:06 +01:00
Thomas Waldmann 7319f85b54 adapt the existing chunker tests 2021-01-08 17:33:25 +01:00
Thomas Waldmann b8bb0494f6 create --sparse, file map support for the "fixed" chunker, see #14 
a file map can be:

- created internally inside chunkify by calling sparsemap, which uses
  SEEK_DATA / SEEK_HOLE to determine data and hole ranges inside a
  seekable sparse file.
  Usage: borg create --sparse --chunker-params=fixed,BLOCKSIZE ...
  BLOCKSIZE is the chunker blocksize here, not the filesystem blocksize!

- made by some other means and given to the chunkify function.
  this is not used yet, but in future this could be used to only read
  the changed parts and seek over the (known) unchanged parts of a file.

sparsemap: the generate range sizes are multiples of the fs block size.
           the tests assume 4kiB fs block size.
 2020-12-27 22:06:08 +01:00
Thomas Waldmann 80e0b42f7d add fixed blocksize chunker, fixes #1086 2019-02-13 04:24:14 +01:00
Thomas Waldmann c4ffbd2a17 prepare to support multiple chunkers 2019-02-13 04:24:14 +01:00
Marian Beermann 3f8a0221ee Revert "move chunker to borg.algorithms" 
This reverts commit 956b50b29c.

# Conflicts:
#	setup.py
#	src/borg/archive.py
#	src/borg/helpers.py
 2017-06-07 23:51:42 +02:00
Marian Beermann 956b50b29c move chunker to borg.algorithms 2017-05-02 19:15:01 +02:00
Thomas Waldmann d1ea925a5b move borg package to src/ 2016-05-05 20:19:50 +02:00
Renamed from borg/testsuite/chunker.py (Browse further)