Python中使用gzip模块压缩文件的简单教程
Jun 10, 2016 pm 03:15 PM
python
compression
压缩数据创建gzip文件
先看一个略麻烦的做法
import StringIO,gzip content = 'Life is short.I use python' zbuf = StringIO.StringIO() zfile = gzip.GzipFile(mode='wb', compresslevel=9, fileobj=zbuf) zfile.write(content) zfile.close()
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但其实有个快捷的封装，不用用到StringIO模块
f = gzip.open('file.gz', 'wb')
f.write(content)
f.close()
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压缩已经存在的文件
python2.7后，可以用with语句
import gzip
with open("/path/to/file", 'rb') as plain_file:
with gzip.open("/path/to/file.gz", 'wb') as zip_file:
zip_file.writelines(plain_file)
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如果不考虑跨平台，只在linux平台，下面这种方式更直接
from subprocess import check_call
check_call('gzip /path/to/file',shell=True)
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