python-to-dafny-translator

Translates Python functions to Dafny with static types, contracts, and loop invariants for formal verification.

1|2|Updated Mar 10, 2026
One-click install
npx skills add https://github.com/santosomar/general-secure-coding-agent-skills --skill python-to-dafny-translator-santosomar
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: python-to-dafny-translator
Source: https://github.com/santosomar/general-secure-coding-agent-skills/tree/main/skills/verification/python-to-dafny-translator
Command: npx skills add https://github.com/santosomar/general-secure-coding-agent-skills --skill python-to-dafny-translator-santosomar

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill bridges the gap between untrusted Python code and the rigorous, machine-checked correctness guarantees of Dafny, enabling formal verification of critical algorithms.

Core Features & Use Cases

  • Type Annotation: Infers and adds static types to Python code.
  • Contract Generation: Assists in defining pre/postconditions and loop invariants for verification.
  • Use Case: You have a Python implementation of a core financial algorithm that requires absolute certainty of its correctness. Translate it to Dafny to gain a machine-verified proof of its behavior.

Quick Start

Translate the provided Python function into Dafny, ensuring all necessary types and specifications are included.

Frequently Asked Questions about python-to-dafny-translator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I translate Python functions into verified Dafny code?▼

To translate Python functions into verified Dafny code, the Skill processes the input and infers static types, then generates pre/postconditions and loop invariants to ensure formal verification of the algorithm's behavior.

What is the best way to add formal methods to a dynamic Python algorithm?▼

Adding formal methods to a dynamic Python algorithm involves translating the untrusted code into Dafny by addressing the impedance mismatch through static type inference and specification-driven requirements like pre/postconditions to gain machine-checked correctness guarantees.

How does type inference work when converting Python to Dafny?▼

Type inference during Python to Dafny conversion works by analyzing the dynamic Python code and automatically inferring and adding the necessary static types required for Dafny's rigorous, specification-driven verification environment.

Can I use this to generate pre/postconditions and loop invariants for Python code?▼

Yes, you can use this to generate pre/postconditions and loop invariants for Python code, as it specifically assists in defining these formal specifications to facilitate the creation of verified reference implementations for critical algorithms.

When do I need to translate Python code to a formal verification language like Dafny?▼

You need to translate Python code to a formal verification language like Dafny when you have a critical algorithm, such as a core financial calculation, that requires absolute certainty and machine-verified proof of its correctness.