Stop Writing Your Own Python Parsers! Use This Free API Instead 🛑

TL;DR: Stop wasting time writing complex ast logic. Use the Prometheus Text & Code Toolkit API to analyze Python code complexity and structure in milliseconds. It's free for developers.

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As Python developers, we often build tools that need to analyze code. Maybe you're building:

• A student grading system 🎓
• A code quality checker ✅
• A customized linter 🧹

The standard way involves importing the ast module, visiting nodes, handling recursion, and dealing with edge cases. It's painful and time-consuming.

Today, I'm sharing a tool I built to solve this: Prometheus Text & Code Toolkit.

What is it? 🤖

It's a serverless API that does the heavy lifting for you.

1. Code Analysis: Instantly get cyclomatic complexity, function counts, classes, and imports from raw Python code.
2. Text Tools: Extract keywords, calculate reading time (e.g. for blog posts), and generate slugs.

Best part? It's completely FREE for developers. (500 calls/month)

How to use it? 🚀

1. Get a Key

Go to RapidAPI - Prometheus Toolkit, subscribe to the Basic Plan (Free).

2. The Code

Here is how you check if a piece of code is too complex:

import requests

url = "https://prometheus-text-and-code-toolkit.p.rapidapi.com/api/explain"

# The code you want to analyze
my_code = """
def complex_function():
    if True:
        for i in range(10):
            print(i)
"""

payload = {
    "code": my_code,
    "language": "python"
}

headers = {
    "x-rapidapi-key": "YOUR_API_KEY_HERE",
    "x-rapidapi-host": "prometheus-text-and-code-toolkit.p.rapidapi.com",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

# 👇 Use this to fail a CI/CD pipeline if code is too messy!
print(response.json())

3. The Result

{
  "functions": [
    {
      "name": "complex_function",
      "lineno": 1,
      "args": []
    }
  ],
  "complexity": 3, 
  "classes": [],
  "imports": []
}

Why use this API? 💡

• Privacy First: It's a static analysis engine. It processes your code in RAM and forgets it instantly. No storage.
• Zero Dependencies: You don't need to install heavy libraries locally.
• Fast: Built on Vercel Edge functions for low latency.

👉 Try it now: Prometheus Toolkit on RapidAPI

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If you find this useful, please leave a generic comment or a ❤️! It helps a lot.