How Can I Achieve Cross-Platform File Locking in Python?

Cross-Platform File Locking in Python

In need of locking a file for writing while allowing access from multiple Python processes simultaneously? Cross-platform solutions for this task can be elusive.

FileLock: A Comprehensive Solution

After exploring various approaches, a robust solution emerged: FileLock. This versatile library provides cross-platform file locking capabilities with ease of use:

from filelock import FileLock

with FileLock("myfile.txt.lock"):
    # Perform operations on the locked file
    print("Lock successfully acquired.")

FileLock ensures exclusive access to the locked file, preventing multiple processes from modifying it concurrently.

Alternative Options

While FileLock stands out as a top choice, other cross-platform file locking libraries are available:

• Portalocker: Another well-regarded option, but with less active maintenance.
• oslo.concurrency: A more comprehensive library for multi-process synchronization, including file locking.

Depending on your specific requirements, one of these alternatives may be a suitable fit.

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