How to compress string and store in redis using python

Question

I would like to store all my string using Utf8 String Codec with GZIP in python.

I tried below code but compression not happening properly. I don't know what's missing here. How to insert data into redis using gzip compression technique.

After insertion into redis it just printing some number like d49

import redis
import StringIO
import gzip

r = redis.StrictRedis(host='127.0.0.1', port=80, db=0, decode_responses=True)

out = StringIO.StringIO()
with gzip.GzipFile(fileobj=out, mode='w') as f:
    value = f.write('this is my test value')
    r.set('test', value)

Appreciated your help in advance!

Thanks

Preston Badeer · Accepted Answer · 2018-08-16 19:33:44Z

3

You can directly use compress() method of gzip.

If you are directly compressing the text string,

import redis
import gzip

r = redis.StrictRedis(host='127.0.0.1', port=80, db=0, decode_responses=True)
text = 'this is my test value'
value = gzip.compress(text.encode())
r.set('test', value)

If you are trying to compress the file,

import redis
import gzip

r = redis.StrictRedis(host='127.0.0.1', port=80, db=0, decode_responses=True)
with open('text.txt', 'rb') as fp:
    value = gzip.compress(fp.read())
    r.set('test', value)

edited Aug 16, 2018 at 19:33

Preston Badeer

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answered Nov 3, 2017 at 8:50

daemon24

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1 Comment

daemon24 Over a year ago

Which python version you are using? It's working in python 3.5.

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