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[bro.py] use brotli.MODE_GENERIC as default compression mode;

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remove additional low-level parameters
This commit is contained in:
Cosimo Lupo 2015-05-11 11:10:48 +01:00
parent aa6f7d8f0c
commit c93c0dab92
1 changed files with 5 additions and 26 deletions
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31
python/bro.py
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@ -14,14 +14,10 @@ __version__ = '1.0'
# default values of encoder parameters
DEFAULT_PARAMS = {
'mode': brotli.MODE_TEXT,
'mode': brotli.MODE_GENERIC,
'quality': 11,
'lgwin': 22,
'lgblock': 0,
'enable_dictionary': True,
'enable_transforms': False,
'greedy_block_split': False,
'enable_context_modeling': True
}
@ -69,8 +65,9 @@ def main():
help='Decompress input file', default=False)
params = parser.add_argument_group('optional encoder parameters')
params.add_argument('-m', '--mode', metavar="MODE", type=int, choices=[0, 1],
help='The compression mode can be 0 (text) or 1 (font). '
'Defaults to text mode.')
help='The compression mode can be 0 for generic input, '
'1 for UTF-8 encoded text, or 2 for WOFF 2.0 font data.'
'Defaults to 0.')
params.add_argument('-q', '--quality', metavar="QUALITY", type=int,
choices=list(range(0, 12)),
help='Controls the compression-speed vs compression-density '
@ -85,20 +82,6 @@ def main():
help='Base 2 logarithm of the maximum input block size. '
'Range is 16 to 24. If set to 0, the value will be set based '
'on the quality. Defaults to 0.')
above9 = parser.add_argument_group(
'encoder parameters respected only if quality > 9.')
above9.add_argument('--no-dictionary', action='store_false',
dest='enable_dictionary',
help='Disable encoder dictionary.')
above9.add_argument('--transform', action='store_true',
dest='enable_transforms',
help='Enable encoder transforms.')
above9.add_argument('--greedy-block-split', action='store_true',
dest='greedy_block_split',
help='Enable a faster but less dense compression mode.')
above9.add_argument('--no-context-modeling', action='store_false',
dest='enable_context_modeling',
help='Disable context modeling.')
# set default values using global DEFAULT_PARAMS dictionary
parser.set_defaults(**DEFAULT_PARAMS)
@ -129,11 +112,7 @@ def main():
else:
data = brotli.compress(
data, mode=options.mode, quality=options.quality,
lgwin=options.lgwin, lgblock=options.lgblock,
enable_dictionary=options.enable_dictionary,
enable_transforms=options.enable_transforms,
greedy_block_split=options.greedy_block_split,
enable_context_modeling=options.enable_context_modeling)
lgwin=options.lgwin, lgblock=options.lgblock)
except brotli.error as e:
parser.exit(1,'bro: error: %s: %s' % (e, options.infile or 'sys.stdin'))