import py7zr # Simple extraction with py7zr.SevenZipFile('sample.7z', mode='r') as archive: archive.extractall(path="/your/target/folder") Use code with caution. Copied to clipboard
with py7zr.SevenZipFile('backup.7z', mode='w') as archive: archive.writeall("my_project_folder/", "project_backup") Use code with caution. Copied to clipboard
You can use py7zr either as a Python script or directly through the command line (CLI).
If your task is performance-heavy (e.g., compressing terabytes of data), it is often faster to call the official 7-Zip CLI using Python's subprocess module rather than using a pure Python library.
If you have the py7zr library installed, you don't even need to write code to use it. Run these directly in your terminal: py7zr l test.7z Quick extract: py7zr x test.7z Test archive integrity: py7zr t test.7z
The most popular way to handle .7z files in Python is through py7zr . It is a complete library that doesn't require the 7-Zip software to be installed on your machine. pip install py7zr Use code with caution. Copied to clipboard
It supports AES-256 encryption, multi-volume archives, and modern compression algorithms like ZStandard and LZMA. 2. Basic Guide to Commands
with py7zr.SevenZipFile('secure_data.7z', mode='r', password='your_password') as archive: archive.extractall() Use code with caution. Copied to clipboard 3. Comparison: Why 7z for Python? High (30–70% smaller) Encryption AES-256 (Robust) Header Security Yes (hides filenames) Compatibility Requires 3rd party tool 4. Advanced: Using the Command Line