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Reference library

Files & data

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

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Files & data medium

Create a Local File Versioning System Using Pure Python

Track file changes locally by copying versions with SHA-256 hashes and JSON metadata using only the Python standard library.

file-versioning files backup
Python
import os
import shutil
import hashlib
import json
import time
from pathlib import Path

class LocalFileVersioning:
    def __init__(self, target_dir="versioned_files", versions_dir="versions"):
        self.target_dir = Path(target_dir)
        self.versions_dir = Path(versions_dir)
        self.metadata_file = self.…
4 0 Open
Files & data medium

How to Sync Two Folders in Python (Lightweight Backup)

A Python script that synchronizes a source folder to a destination folder, copying new or updated files and removing files that no longer exist in the source.

sync backup filesystem
Python
import os
import shutil
import sys
from pathlib import Path

def sync_folders(src: Path, dst: Path):
    """Sync src folder to dst folder, copying missing/updated files."""
    dst.mkdir(parents=True, exist_ok=True)

    for src_path in src.rglob("*"):
        relative = src_path.relative_to(src)
        dst_path = ds…
3 0 Open

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