def _get_compression_filters(compression='default'):
if compression == 'default':
config = conf.config()
compression = config.get('io', 'compression')
elif compression is True:
compression = 'zlib'
if (compression is False or compression is None or compression == 'none'
or compression == 'None'):
ff = None
else:
if isinstance(compression, (tuple, list)):
compression, level = compression
else:
level = 9
try:
ff = tables.Filters(complevel=level,
complib=compression,
shuffle=True)
except Exception:
warnings.warn(("(deepdish.io.save) Missing compression method {}: "
"no compression will be used.").format(compression))
ff = None
return ff
def _get_compression_filters(compression='default'):
if compression == 'default':
config = conf.config()
compression = config.get('io', 'compression')
elif compression is True:
compression = 'zlib'
if (compression is False or compression is None or
compression == 'none' or compression == 'None'):
ff = None
else:
if isinstance(compression, (tuple, list)):
compression, level = compression
else:
level = 9
try:
ff = tables.Filters(complevel=level, complib=compression,
shuffle=True)
except Exception:
warnings.warn(("(deepdish.io.save) Missing compression method {}: "
"no compression will be used.").format(compression))
ff = None
return ff