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Python Best Practices Fail Fast Imports

Checked
dawiddutoit·vlatest·backend

Helps with Python, best practices as part of developing backend services and APIs workflows.

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Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add dawiddutoit/custom-claude --skill python-best-practices-fail-fast-imports -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

dawiddutoit

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Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

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  • Pinned to a commit: passed

    Scanned dawiddutoit/custom-claude at 17b45a90a6.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
17b45a90a6
Manifest
skills/python-best-practices-fail-fast-imports/SKILL.md
Scanned
2 files, 1,067 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
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About this skill

What it does

This skill ensures Python code imports fail quickly, preventing unexpected errors later in the development process. It achieves this by proactively checking for import issues during startup and early execution. This helps identify missing dependencies or incorrect module paths immediately, leading to faster debugging and more robust applications.

When to use it

  • New projects: Integrate into new Python projects to establish a "fail fast" approach from the beginning.
  • Refactoring existing code: Apply when refactoring large codebases to improve reliability and reduce hidden dependencies.
  • Dependency management: Use alongside dependency management tools (like pip) to catch import-related problems early on.
  • Continuous Integration/CD pipelines: Incorporate into automated testing environments for immediate feedback on import errors.

Key capabilities

  • Early detection of missing modules
  • Proactive error checking during startup
  • Improved code robustness
  • Faster debugging cycles

Example prompts

  • "Apply fail-fast imports to this Python script."
  • "Check the current project for any potential import errors using fail-fast techniques."
  • "Integrate fail-fast imports into my existing codebase."

Tips & gotchas

  • Requires a basic understanding of Python's import system.
  • May require adjustments to existing code that relies on lazy imports or complex module loading patterns.