Python - How To Open a Zip File Without Extracting It in Python

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This article explains how to open a zip file without temporarily extracting it in the Python software. To open a zip file without temporarily extracting it in Python, use the zipfile Python library.

For this, import the zipfile standard library. Then, use either of the following functions.

  • Use the zipfile.ZipFile() function in read-mode.
  • Use the ZipFile.open() function in read-mode.

Before we begin, please get the zip file ready. Follow the below steps.

  • Prepare a text file named mail.txt with some content inside it as:
    This is from mail.txt 
  • Zip the mail.txt file.
  • Name the zip file as mail.zip.

Use the zipfile.ZipFile() Function to Open a Zip File Without Temporarily Extracting It in Python

Below is an example program that shows you how to open a zip file without temporarily extracting it in Python. Use the zipfile.ZipFile() function in read-mode in the following way.

zipfile.ZipFile(file, mode='r') 

Here, the file is either:

  • A path to a file (a string)
  • A file-like object
  • A path-like object

For example,

import zipfile archive = zipfile.ZipFile('mail.zip', 'r') #Let us verify the operation.. txtdata = archive.read('mail.txt') print(txtdata) 

Output:

b'This is from mail.txt' 

Use the ZipFile.open() Function to Open a Zip File Without Temporarily Extracting It in Python

Here’s an example that demonstrates how to open a zip file without temporarily extracting it in Python.

Here, we use the open() function in read-mode.

ZipFile.open(name, mode='r') 

The member of the zip file is treated as a binary file-like object. The name here can be either:

  • The name of a file within the zip
  • A ZipInfo object

Here’s an example.

import zipfile with zipfile.ZipFile('mail.zip') as thezip:     with thezip.open('mail.txt',mode='r') as thefile:         #Let us verify the operation..         print(thefile.read()) 

Output:

b'This is from mail.txt' 

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