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Python Code Samples

Copy-ready Python snippets by topic and difficulty — short, focused, and runnable in the browser editor.

2 matches
Microservices patterns medium

How to Build an OAuth Client Credentials Mock Server in Python

A minimal HTTP mock server implementing the OAuth 2.0 client credentials grant for local testing and microservice development.

oauth mock-server microservices
Python
from http.server import HTTPServer, BaseHTTPRequestHandler
import json

TOKENS = {"valid_token": "demo_access_token", "client_id": "my_service"}

class OAuthHandler(BaseHTTPRequestHandler):
    def do_POST(self):
        if self.path == "/oauth/token":
            length = int(self.headers.get("Content-Length", 0))
  …
14 0 Open
Auth & security at scale medium

Mock client credentials machine auth in Python

This code simulates the OAuth2 client-credentials flow for service-to-service calls, generating a mock bearer token with expiry and caching, plus a revoke method, using only the standard library.

oauth2 auth mock
Python
import time
import hashlib
import secrets

class MachineAuth:
    """Mock client-credentials machine auth for service-to-service calls."""
    
    def __init__(self, client_id, client_secret):
        self.client_id = client_id
        self.client_secret = client_secret
        self._token = None
        self._expire…
15 0 Open

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