Carves the first slice out of the monolithic rc-jav.py (now 2017
lines, was 2230). Two new modules:
rcjav/model.py FileEntry dataclass — the one shared shape that
every other submodule will need.
rcjav/ids.py Single source of truth for everything that
influences a FileEntry.jav_id: PRIMARY_ID_RE,
FALLBACK_ID_RE, COMPOUND_ID_RE, BUILTIN_PART_RES,
configure_part_patterns, detect_part,
detect_part_from_stem, part_key, extract_id,
normalize_id, describe_id_match, expand_range,
plus the supporting "private" regexes
(_BRACKET_ID_RE, _RESOLUTION_TAG_RE, etc.) that
other code in rc-jav.py still reads.
rcjav/__init__.py re-exports the public surface so future external
consumers can `from rcjav import extract_id` without caring which
submodule it lives in.
rc-jav.py drops the inline ID block and pulls everything from
rcjav.ids via a single import statement. PART_RES is intentionally
NOT imported — it's mutated by configure_part_patterns at runtime, so
a captured top-level reference would go stale. A small helper
`_current_part_res()` reads it dynamically via `_rcjav_ids.PART_RES`.
fixtures/run.py fix: synthesized importlib module name changed from
"rcjav" (which now collides with the real package directory) to
"rcjav_script". Also prepends ROOT to sys.path so rc-jav.py's
`from rcjav.model import …` resolves when run as
`python fixtures/run.py`.
Verified:
- python rc-jav.py --help → usage banner prints
- python fixtures/run.py → 17/17 cases pass
- python -m unittest tests.test_rules → 5/5 OK
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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