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Async
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from typing import Callable, Coroutine, List | |
import aiohttp | |
import asyncio | |
async def http_get(session: aiohttp.ClientSession, url: str) -> Coroutine: | |
"""Execute an GET http call async """ | |
async with session.get(url) as response: | |
resp = await response.json() | |
return resp | |
async def http_post(session: aiohttp.ClientSession, url: str) -> Coroutine: | |
"""Execute an POST http call async """ | |
async with session.post(url) as response: | |
resp = await response.json() | |
return resp | |
async def fetch_all(urls: List, inner: Callable): | |
"""Gather many HTTP call made async """ | |
async with aiohttp.ClientSession() as session: | |
tasks = [] | |
for url in urls: | |
tasks.append( | |
inner( | |
session, | |
url | |
) | |
) | |
responses = await asyncio.gather(*tasks, return_exceptions=True) | |
return responses | |
def run(): | |
comments = [f"https://jsonplaceholder.typicode.com/comments/{id_}" for id_ in range(1,500)] | |
responses = asyncio.get_event_loop().run_until_complete(fetch_all(comments, http_get)) | |
print(responses) | |
run() |
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from dataclasses import dataclass | |
import threading | |
import queue | |
from typing import Dict, List | |
import requests | |
@dataclass | |
class ThreadRequests(object): | |
urls: queue.Queue = queue.Queue() | |
infos: queue.Queue = queue.Queue() | |
def __init__( | |
self, | |
urls: List[str], | |
http_method: str, | |
nb_threads: int = 2, | |
) -> None: | |
"""Put all urls to the queue url """ | |
self.nb_threads = nb_threads | |
self.http_method = http_method | |
self.workers = {"GET": self.worker_get, "POST": self.worker_post} | |
for url in urls: | |
self.urls.put(url) | |
@property | |
def responses(self) -> List[Dict]: | |
return list(self.infos.queue) | |
def run(self) -> None: | |
""" Run all workers""" | |
for i in range(0, self.nb_threads): | |
threading.Thread(target=self.workers[self.http_method], daemon=True).start() | |
self.urls.join() | |
def worker_get(self) -> None: | |
"""Pull a url from the queue and make a get request to endpoint""" | |
while not self.urls.empty(): | |
url = self.urls.get() | |
resp = requests.get(url) | |
self.infos.put(resp.json()) | |
self.urls.task_done() | |
def worker_post(self) -> None: | |
"""Pull a url from the queue and make a post request to endpoint""" | |
while not self.urls.empty(): | |
url = self.urls.get() | |
resp = requests.post(url) | |
self.infos.put(resp.json()) | |
self.urls.task_done() | |
comments = [ | |
f"https://jsonplaceholder.typicode.com/comments/{id_}" for id_ in range(1, 500) | |
] | |
client = ThreadRequests(comments, "GET", nb_threads=5) | |
client.run() |
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