Python HTTP Request Optimization Guide: Improve the Performance of Your Web Applications-Python Tutorial-php.cn

Python HTTP Request Optimization Guide: Improve the Performance of Your Web Applications

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Release： 2024-02-24 14:40:35

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Python HTTP请求优化指南：提高你的网络应用性能

Optimizationpython HttpThe performance of requests is essential to improve the speed and response of network applications Competence is crucial. This guide will introduce some tips and best practices for optimizing Python HTTP requests to help you improve the performance of your network applications.

1. Use connection pool

Connection pooling is a mechanism for managing HTTP connections. It can reduce the overhead of creating and destroying connections, thereby improving the performance of HTTP requests. Python provides the requests library, which has built-in connection pool support. You only need to pass in pool_connections## when creating the <strong class="keylink">Sess</strong>ion object. #Parameters enable the connection pool.

import requests

session = requests.Session()
session.mount("http://", requests.adapters.HTTPAdapter(pool_connections=10))
session.mount("https://", requests.adapters.HTTPAdapter(pool_connections=10))

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2. Use timeout settings

Timeout settings prevent HTTP requests from waiting indefinitely for a response. Python provides the

timeout parameter, which you can pass into the requests library’s get(), post() and other methods. to set the request timeout. For example:

import requests

response = requests.get("https://example.com", timeout=5)

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3. Use gzip compression

Gzip compression can reduce the size of HTTP requests, thereby increasing request speed. Python provides the

gzip module, which you can use to compress HTTP requests. For example:

import requests
import gzip

data = "This is some data to send to the server."
compressed_data = gzip.compress(data.encode("utf-8"))

response = requests.post("https://example.com", data=compressed_data, headers={"Content-Encoding": "gzip"})

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4. Using asynchronous HTTP client

The asynchronous HTTP client can handle multiple HTTP requests at the same time, thereby increasing the request speed. Python provides the

ai<strong class="keylink">ohttp</strong> library, which is an asynchronous HTTP client that can help you improve the performance of HTTP requests. For example:

import aiohttp

async def make_request(url):
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
return await response.text()

tasks = [make_request(url) for url in urls]
results = await asyncio.gather(*tasks)

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5. Use CDN

CDN (Content Delivery Network) can

cache your static resources (such as images, CSS, javascript, etc.) closer to the user ##Server, thereby improving the loading speed of resources. You can use a CDN in your web application to improve the loading speed of static resources. For example, you can use Cloudflare CDN or Amazon CloudFront CDN. 6. Use HTTP/2

HTTP/2 is a new HTTP protocol that improves the performance of HTTP requests. HTTP/2 introduces new features such as multiplexing, server push, and header compression that reduce latency and increase throughput. You can use Python's

library to use HTTP/2. For example:<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:python;toolbar:false;">import h2.connection connection = h2.connection.H2Connection() connection.send_headers(path="/index.html") connection.send_data(b"<h1>Hello, world!</h1>") connection.close()</pre><div class="contentsignin">Copy after login</div></div>7. Use performance analysis

tools

Performance analysis tools can help you find HTTP request performance bottlenecks. You can use Python's

requests-cache

library to record HTTP request performance data. For example:

import requests_cache

session = requests_cache.CachedSession()
session.mount("http://", requests_cache.CacheAdapter())
session.mount("https://", requests_cache.CacheAdapter())

response = session.get("https://example.com")

print(session.cache.last_request.elapsed)

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