Iurii Uses: #Python

polytypo.dev – Locale-Correct Typography Engine and Spec

Open-source spec and engine that turns straight quotes, hyphens and three dots into curly quotes, dashes, ellipses and no-break spaces for 10 locales.

pikkuna.fi – AI-Powered Localization Pipeline

A production localization pipeline built entirely on the OpenAI API, with one English source of truth and SEO-aware translation prompts.

eu-vat-rates-data – Free & Open-Source EU VAT Rates Dataset

Free, open-source EU VAT rates for all 27 member states + UK. Published as native packages for npm, PyPI, Packagist, Go, and RubyGems.

Perpetual Futures Grid Trading System

Production algorithmic trading system for perpetual futures – multi-account, event-driven, with a dynamic progressive grid and 10-level risk management.

Open-source Python tool that discovers URLs from sitemap.xml and validates each in desktop and mobile modes with parallel checks.

Why registrar and CA renewal emails leave gaps, what a self-hosted domain and SSL expiry check needs to do, and when it beats paid monitoring SaaS.

An i18n linter that checks address register per audience, not just per language, plus key order and drift across a 32-locale JSON translation set.

AI document processing in production: full PDF pipeline – OCR fallbacks, structured output, validation, cost at scale. Beyond naive GPT calls.

Data format comparison: JSON, YAML, TOML, CSV, Protobuf, MessagePack – tradeoffs, performance, and a decision framework for production systems in 2026.

Bybit grid trading bot in Python for live futures: event-driven architecture, ATR-based grid steps, 10-level risk management, atomic state, pytest suite.

How to publish one dataset to npm, PyPI, Go Module, RubyGems, and Packagist with GitHub Actions – architecture, versioning, and per-ecosystem gotchas.