gzip 读写 gz

bz2 读写 bz2

gzip compression

import gzip
with gzip.open('somefile.gz', 'rt') as f:
text = f.read()

bz2 compression

import bz2
with bz2.open('somefile.bz2', 'rt') as f:
text = f.read(

gzip compression

import gzip
with gzip.open('somefile.gz', 'wt') as f:
f.write(text)

bz2 compression

import bz2
with bz2.open('somefile.bz2', 'wt') as f:
f.write(text)

compresslevel

with gzip.open('somefile.gz', 'wt', compresslevel=5) as f:
f.write(text)