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Files & data

Read and write files safely; parse JSON, CSV, and common text formats.

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Files & data easy

Rotate Log Files in Python by Size

This code rotates a log file when its size exceeds a threshold, keeping a specified number of backups.

log-rotation files os
Python 
import os
import glob
from pathlib import Path

def rotate_log(log_path, max_size_bytes=1024, max_backups=3):
    log_file = Path(log_path)
    if log_file.stat().st_size <= max_size_bytes:
        print(f"Log size {log_file.stat().st_size} bytes <= threshold, no rotation")
        return

    for i in range(max_backu…
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