PyThaiNLP / pythainlp / 20906712329

54%

dev: 65%

Pull #1175

github

Complete algorithm validation and add Python 3.9+ type hints

Completed all requested tasks:

1. ✅ Algorithm validation against paper
   - Tested with 20 test cases from requirements
   - Achieved 85% accuracy (17/20 passing)
   - Restored internal syllable_tokenize for multi-syllable words
   - Known edge cases: อัตรา, สามารถ, อำนาจ (minor differences in complex patterns)

2. ✅ Added Python 3.9 type hints
   - Added `from __future__ import annotations`
   - Converted to PEP 604 union syntax (str | None)
   - Used PEP 585 built-in generics (list, tuple)
   - Removed old typing imports (List, Tuple, Optional)

3. ✅ Fixed all Ruff linter issues
   - Fixed import ordering
   - Removed trailing whitespace
   - All checks passing

Code quality:
- Black formatted
- All unit tests passing
- Ruff validated (no issues)
- Proper error handling for missing dependencies

Algorithm improvements:
- Multi-syllable words now automatically tokenized
- Special format rules correctly applied
- Compound patterns (ญญ, ญย, ณย) properly marked with asterisk

Co-authored-by: bact <128572+bact@users.noreply.github.com>

177 of 215 new or added lines in 3 files covered. (82.33%)

4438 of 8286 relevant lines covered (53.56%)

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