Read from a gzip file in python

Question

I’ve just make excises of gzip on python.

import gzip
f=gzip.open('Onlyfinnaly.log.gz','rb')
file_content=f.read()
print file_content

And I get no output on the screen. As a beginner of python, I’m wondering what should I do if I want to read the content of the file in the gzip file. Thank you.

Asked By: Michael

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Source

Answer 1

Try gzipping some data through the gzip libary like this…

import gzip
content = "Lots of content here"
f = gzip.open('Onlyfinnaly.log.gz', 'wb')
f.write(content)
f.close()

… then run your code as posted …

import gzip
f=gzip.open('Onlyfinnaly.log.gz','rb')
file_content=f.read()
print file_content

This method worked for me as for some reason the gzip library fails to read some files.

Answered By: Matt Olan

Answer 2

python: read lines from compressed text files

Using gzip.GzipFile:

import gzip

with gzip.open('input.gz','r') as fin:        
    for line in fin:        
        print('got line', line)

Answered By: Arunava Ghosh

Answer 3

for parquet file, pls using pandas to read

data = read_parquet("file.parquet.gzip")
data.head()

Answered By: Fan Yang

Answer 4

If you want to read the contents to a string, then open the file in text mode (mode="rt")

import gzip

with gzip.open("Onlyfinnaly.log.gz", mode="rt") as f:
    file_content = f.read()
    print(file_content)

Answered By: Michael Hall

Read from a gzip file in python

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