v0.3.1

Full Changelog: v0.3.0...v0.3.1

v0.3.0

What's New in v0.3.0

Bug Fixes

• Fix overly strict duplicate detection — Hosts.add() now only checks hostname equality, allowing the common pattern of mapping the same IP to different hostnames (#24)
• Fix whitespace-only hostname validation — Hostnames consisting only of whitespace are now correctly rejected (#25)
• Fix comment validation — Comments containing carriage returns (\r) are now properly rejected (#26)

New Features

• Context manager support — Hosts can now be used as a context manager (with Hosts() as h: ...) that auto-saves on clean exit (#33)

Improvements

• Modernized typing syntax — Uses Python 3.10+ X | Y union syntax via from __future__ import annotations (#27)
• Slotted dataclass — Host now uses @dataclass(frozen=True, slots=True) for better memory efficiency (#28)
• match/case — Platform resolver uses structural pattern matching instead of if/elif chains (#29)

CI & Tooling

• mypy in CI — Strict type checking is now enforced in the CI pipeline (#30)
• ruff replaces pycodestyle — Faster, more comprehensive linting with ruff (#31)
• Coverage threshold — CI now enforces a minimum 80% code coverage (#32)

Documentation

• Thread-safety note — Hosts class docstring and README now document that the class is not thread-safe (#34)

Testing

• 25 new edge-case tests — Comprehensive coverage for empty files, IPv6, malformed lines, inline comments, backup, reload, slicing, and more (#35)

Full Changelog: v0.2.0...v0.3.0