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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Pin Python package versions in requirements.txt

Pin package versions in requirements.txt-style text by adding ==version when no specifier is present, while preserving existing version constraints and comments.

requirements automation versions
Python 
import re
from pathlib import Path


def pin_versions(requirements_text: str) -> str:
    """
    Pin package versions in requirements.txt-style text.
    Adds ==version if no version specifier is present.
    Keeps existing specifiers (>=, <=, ~=, etc.) unchanged.
    """
    lines = requirements_text.strip().splitli…
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