How to uncompress a ".tar.gz" file using python ?

An example of how to extract all the files from a compressed ".tar.gz" file using python:

Uncompress a tar file in python

Let's consider a compressed file called for example data.tar.gz. In python to uncompress a tar file, a solution is to use the tarfile module:

import tarfile

fname = "data.tar.gz"

if fname.endswith("tar.gz"):
    tar = tarfile.open(fname, "r:gz")
    tar.extractall()
    tar.close()
elif fname.endswith("tar"):
    tar = tarfile.open(fname, "r:")
    tar.extractall()
    tar.close()

A case study

For a project (that can be found here on Github), I wanted to download a compressed file from an url address and uncompress it on my local machine using python:

Download the compressed file ('modis_c6_luts.tar.gz') from the following url address:

import urllib.request

url = 'https://atmosphere-imager.gsfc.nasa.gov/sites/default/files/ModAtmo/resources/modis_c6_luts.tar.gz'

downloaded_filename = 'modis_c6_luts.tar.gz'

urllib.request.urlretrieve(url, downloaded_filename)

and uncompress it

import tarfile

fname = 'modis_c6_luts.tar.gz'

if fname.endswith("tar.gz"):

    tar = tarfile.open(fname, "r:gz")
    tar.extractall()
    tar.close()

References

• I want to create a script for unzip (.tar.gz) file via (Python)
• How do I extract a tar file using python 2.4?