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Python | shutil.get_unpack_formats() method
  • Last Updated : 07 Jun, 2019

Shutil module in Python provides many functions of high-level operations on files and collections of files. It comes under Python’s standard utility modules. This module helps in automating process of copying and removal of files and directories.

shutil.get_unpack_formats() method in Python is used to get the list of all supported formats available for unpacking archived files.
Following formats are available by default for unpacking archived files:

  • zip: ZIP file. If the zlib module is available
  • tar: uncompressed tar file.
  • gztar: gzip’ed tar-file. If the zlib module is available
  • bztar: bzip2’ed tar-file. If the bz2 module is available
  • xztar: xz’ed tar-file. If the lzma module is available

We can also register new formats or specify own function for unpacking existing formats using shutil.register_unpack_format() method or deregister a existing format using shutil.unregister_unpack_format() method.

Syntax: shutil.get_unpack_formats()

Parameter: No parameter is required



Return Type: This method returns a list which represents the available formats supported for unpacking archived files. Each element of the list is a tuple (name, extension description).

Code: Use of shutil.get_unpack_formats() method

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# Python program to explain shutil.get_unpack_formats() method 
    
# importing shutil module 
import shutil
  
# Get the list of 
# supported unpacking formats
formats = shutil.get_unpack_formats()
  
  
# Print the list
print("Supported unpacking formats:\n", formats)

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Output:

Supported unpacking formats:
Supported unpacking formats:
 [('bztar', ['.tar.bz2', '.tbz2'], "bzip2'ed tar-file"), ('gztar', ['.tar.gz', '.tgz'], "gzip'ed tar-file"), ('tar', ['.tar'], 'uncompressed tar file'), ('xztar', ['.tar.xz', '.txz'], "xz'ed tar-file"), ('zip', ['.zip'], 'ZIP file')]

Reference: https://docs.python.org/3/library/shutil.html

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