Python HTTP Data Fetching

Fetch remote data in Python using httpx with async support, retry logic, timeout handling, response parsing with Pydantic models, and connection pooling for.

Python Data Fetching Updated: 2026-01-15

Code

snippet

import httpx
from pydantic import BaseModel

class User(BaseModel):
    id: int
    name: str
    email: str

async def fetch_user(user_id: int) -> User:
    async with httpx.AsyncClient(timeout=10.0) as client:
        for attempt in range(3):
            try:
                res = await client.get(f'https://api.example.com/users/{user_id}')
                res.raise_for_status()
                return User(**res.json())
            except httpx.HTTPError:
                if attempt == 2:
                    raise