Auto-installing extras at runtime so users never have to think about dependencies

Table of Contents 1. From one command to a dependency maze 2. Why &ldquo;just use extras&rdquo; breaks down 3. The decorator 4. Checking without importing 5. The metadata bridge 6. Three environments, three strategies A) uv tool install — the persistent environment B) uvx — the ephemeral environment C) Regular virtualenv, pipx , or system install 7. Preventing infinite re-execution loops 8. What…