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API design & gRPC

REST best practices, protobuf, API versioning, and backward-compatible service contracts.

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API design & gRPC easy

How to handle CORS preflight OPTIONS requests in Python

Create a mock HTTP server with a CORS preflight OPTIONS handler that returns the correct headers for browser-based API requests.

cors http server
Python
from http.server import BaseHTTPRequestHandler, HTTPServer

class CORSRequestHandler(BaseHTTPRequestHandler):
    def _send_cors_headers(self):
        self.send_header("Access-Control-Allow-Origin", "*")
        self.send_header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
        self.send_head…
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