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

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How to Load a YAML Subset in Python Without PyYAML

Parse a flat, key-value YAML file with the Python standard library (re and pathlib), handling comments, quotes, and inline comments while skipping nested structures.

yaml parsing stdlib
Python 
import re
from pathlib import Path

def load_yaml_subset(path):
    """Load a flat YAML file (key: value) without external dependencies."""
    data = {}
    with open(path, 'r', encoding='utf-8') as f:
        for line in f:
            # Skip empty lines and comments
            line = line.strip()
            if no…
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