Leandro Hirt

Learn Python mimetypes to identify file types, validate uploads, and set safer HTTP Content-Type headers.

Learn Python html.parser to extract text, links, and metadata, process HTML incrementally, and avoid confusing parsing with sanitization.

Learn Python http.client for low-level HTTP and HTTPS connections, streaming, headers, TLS, connection reuse, size limits, and errors.

Learn Python urllib.robotparser to respect robots.txt, crawl-delay, request-rate, sitemaps, caching, and responsible crawling limits.

Learn Python urllib.request for GET, POST, JSON, downloads, TLS, redirects, proxies, size limits, and robust HTTP error handling.

Learn Python socketserver to build TCP and UDP servers with handlers, concurrency, framing, limits, timeouts, and graceful shutdown.

Learn Python ssl to build TLS clients and servers, validate certificates and hostnames, configure CA trust, minimum versions, and mTLS.

Learn Python HMAC to sign and verify webhooks, files, and service messages with SHA-256, safe keys, canonical data, and replay