0.5.0

Changelog

• detect spec schema version #167
• static types and Mypy static type check #168
• tests mark network #169
• schemas and validators lazy loading proxy #170
• CLI detect spec version #171
• Shortcuts refactor and validators explicit usage #172

Backward incompatibilities

• redundant shortcuts validate_v*_spec and validate_v*_spec_url removed. Use validate_spec and validate_spec_url with validator parameter instead.
• default_handlers (and whole handlers package) removed. Use handlers from jsonschema_spec.handlers instead.