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Mock pip-compile to Resolve Requirements in Python

A mock function that mimics pip-compile by converting a requirements.in file into pinned, locked package versions.

pip-tools requirements mock
Python
import subprocess
import tempfile
from pathlib import Path


def compile_requirements_mock(requirements_in: str) -> str:
    """Mock pip-compile: resolve a simple requirements.in into a locked format."""
    lines = [line.strip() for line in requirements_in.splitlines() if line.strip() and not line.startswith("#")]
  …
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PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

How to use this library

  1. Pick a topic section — strings, lists, files, functions, and more
  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.