echo.py

import sys

import requests
import asyncio

from rich.console import Console
from rich.markdown import Markdown

console = Console()


async def fetch_content_async(url):
 loop = asyncio.get_event_loop()
 response = await loop.run_in_executor(None, requests.get, url)
 return response


def fetch_content_sync(url):
 response = requests.get(url)
 return response


async def main():
 if len(sys.argv) < 2:
 console.print("Error: URL is missing!")
 return

 url = sys.argv[-1]

 # sync request
 response_sync = fetch_content_sync(url)
 console.print(Markdown(response_sync.text))

 # async
 response_async = await fetch_content_async(url)
 console.print(Markdown(response_async.text))


if __name__ == "__main__":
 asyncio.run(main())