本文整理汇总了Python中shogun.Features.StringCharFeatures.apply_preprocessor方法的典型用法代码示例。如果您正苦于以下问题：Python StringCharFeatures.apply_preprocessor方法的具体用法？Python StringCharFeatures.apply_preprocessor怎么用？Python StringCharFeatures.apply_preprocessor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类shogun.Features.StringCharFeatures的用法示例。
在下文中一共展示了StringCharFeatures.apply_preprocessor方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: features_string_char_compressed_modular
# 需要导入模块: from shogun.Features import StringCharFeatures [as 别名]
# 或者: from shogun.Features.StringCharFeatures import apply_preprocessor [as 别名]
def features_string_char_compressed_modular(fname):
from shogun.Features import StringCharFeatures, StringFileCharFeatures, RAWBYTE
from shogun.Library import UNCOMPRESSED, SNAPPY, LZO, GZIP, BZIP2, LZMA, MSG_DEBUG
from shogun.Preprocessor import DecompressCharString
f = StringFileCharFeatures(fname, RAWBYTE)
# print "original strings", f.get_features()
# uncompressed
f.save_compressed("foo_uncompressed.str", UNCOMPRESSED, 1)
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_uncompressed.str", True)
# print "uncompressed strings", f2.get_features()
# print
# load compressed data and uncompress on load
# snappy - not stable yet?!
# f.save_compressed("foo_snappy.str", SNAPPY, 9)
# f2=StringCharFeatures(RAWBYTE);
# f2.load_compressed("foo_snappy.str", True)
# print "snappy strings", f2.get_features()
# print
# lzo
f.save_compressed("foo_lzo.str", LZO, 9)
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_lzo.str", True)
# print "lzo strings", f2.get_features()
# print
##gzip
f.save_compressed("foo_gzip.str", GZIP, 9)
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_gzip.str", True)
# print "gzip strings", f2.get_features()
# print
# bzip2
f.save_compressed("foo_bzip2.str", BZIP2, 9)
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_bzip2.str", True)
# print "bzip2 strings", f2.get_features()
# print
# lzma
f.save_compressed("foo_lzma.str", LZMA, 9)
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_lzma.str", True)
# print "lzma strings", f2.get_features()
# print
# load compressed data and uncompress via preprocessor
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_lzo.str", False)
f2.add_preprocessor(DecompressCharString(LZO))
f2.apply_preprocessor()
# print "lzo strings", f2.get_features()
# print
# load compressed data and uncompress on-the-fly via preprocessor
f2 = StringCharFeatures(RAWBYTE)
f2.load_compressed("foo_lzo.str", False)
# f2.io.set_loglevel(MSG_DEBUG)
f2.add_preprocessor(DecompressCharString(LZO))
f2.enable_on_the_fly_preprocessing()
# print "lzo strings", f2.get_features()
# print
# clean up
import os
for f in [
"foo_uncompressed.str",
"foo_snappy.str",
"foo_lzo.str",
"foo_gzip.str",
"foo_bzip2.str",
"foo_lzma.str",
"foo_lzo.str",
"foo_lzo.str",
]:
if os.path.exists(f):
os.unlink(f)