2021-05-15 16:18:02 +02:00

70 lines
1.6 KiB
Python

# Adopted from Syncoid :)
# this software is licensed for use under the Free Software Foundation's GPL v3.0 license, as retrieved
# from http://www.gnu.org/licenses/gpl-3.0.html on 2014-11-17. A copy should also be available in this
# project's Git repository at https://github.com/jimsalterjrs/sanoid/blob/master/LICENSE.
COMPRESS_CMDS = {
'gzip': {
'cmd': 'gzip',
'args': [ '-3' ],
'dcmd': 'zcat',
'dargs': [],
},
'pigz-fast': {
'cmd': 'pigz',
'args': [ '-3' ],
'dcmd': 'pigz',
'dargs': [ '-dc' ],
},
'pigz-slow': {
'cmd': 'pigz',
'args': [ '-9' ],
'dcmd': 'pigz',
'dargs': [ '-dc' ],
},
'zstd-fast': {
'cmd': 'zstdmt',
'args': [ '-3' ],
'dcmd': 'zstdmt',
'dargs': [ '-dc' ],
},
'zstd-slow': {
'cmd': 'zstdmt',
'args': [ '-19' ],
'dcmd': 'zstdmt',
'dargs': [ '-dc' ],
},
'xz': {
'cmd': 'xz',
'args': [],
'dcmd': 'xz',
'dargs': [ '-d' ],
},
'lzo': {
'cmd': 'lzop',
'args': [],
'dcmd': 'lzop',
'dargs': [ '-dfc' ],
},
'lz4': {
'cmd': 'lz4',
'args': [],
'dcmd': 'lz4',
'dargs': [ '-dc' ],
},
}
def compress_cmd(compressor):
ret=[ COMPRESS_CMDS[compressor]['cmd'] ]
ret.extend( COMPRESS_CMDS[compressor]['args'])
return ret
def decompress_cmd(compressor):
ret= [ COMPRESS_CMDS[compressor]['dcmd'] ]
ret.extend(COMPRESS_CMDS[compressor]['dargs'])
return ret
def choices():
return COMPRESS_CMDS.keys()