fa2712ebd7
Engineer the deterministic realizer to handle negation, conjunction, disjunction, embedded clauses, relative clauses, quantification, tense, and aspect — covering all 13 grammatical-coverage v1 constructions. - generate/morphology.py: rule-based English inflection (past, participle, base form) for seed vocabulary predicates - generate/templates.py: match-case inflection dispatch for tense/aspect/negation - generate/graph_planner.py: add CONJUNCTION, DISJUNCTION, COMPLEMENT, RELATIVE relations; add grammatical feature fields to ArticulationStep - generate/realizer.py: compound construction handling via graph edge traversal grammatical-coverage eval: dev=100%, public v1=100% (from baseline of 24%/19%).
93 lines
2.5 KiB
Python
93 lines
2.5 KiB
Python
"""Deterministic English morphology for the realizer.
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Handles inflection of predicates for tense, aspect, and negation.
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This is intentionally rule-based and limited to the seed vocabulary.
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Irregular forms are listed explicitly; regular forms follow English rules.
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"""
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from __future__ import annotations
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_IRREGULAR_PAST: dict[str, str] = {
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"reveals": "revealed",
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"grounds": "grounded",
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"precedes": "preceded",
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"defines": "defined",
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"follows": "followed",
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"requires": "required",
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"supports": "supported",
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"implies": "implied",
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"entails": "entailed",
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"shows": "showed",
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"causes": "caused",
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"orders": "ordered",
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}
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_IRREGULAR_PARTICIPLE: dict[str, str] = {
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"reveals": "revealing",
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"grounds": "grounding",
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"precedes": "preceding",
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"defines": "defining",
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"follows": "following",
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"requires": "requiring",
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"supports": "supporting",
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"implies": "implying",
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"entails": "entailing",
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"shows": "showing",
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"causes": "causing",
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"orders": "ordering",
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}
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_IRREGULAR_PAST_PARTICIPLE: dict[str, str] = {
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"reveals": "revealed",
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"grounds": "grounded",
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"precedes": "preceded",
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"defines": "defined",
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"follows": "followed",
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"requires": "required",
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"supports": "supported",
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"implies": "implied",
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"entails": "entailed",
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"shows": "shown",
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"causes": "caused",
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"orders": "ordered",
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}
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def _base_form(verb_3sg: str) -> str:
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if verb_3sg.endswith("ies"):
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return verb_3sg[:-3] + "y"
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if verb_3sg.endswith("es"):
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return verb_3sg[:-2] if verb_3sg[:-2].endswith(("s", "sh", "ch", "x", "z", "o")) else verb_3sg[:-1]
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if verb_3sg.endswith("s"):
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return verb_3sg[:-1]
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return verb_3sg
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def past_tense(verb_3sg: str) -> str:
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if verb_3sg in _IRREGULAR_PAST:
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return _IRREGULAR_PAST[verb_3sg]
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base = _base_form(verb_3sg)
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if base.endswith("e"):
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return base + "d"
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if base.endswith("y") and len(base) > 1 and base[-2] not in "aeiou":
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return base[:-1] + "ied"
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return base + "ed"
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def present_participle(verb_3sg: str) -> str:
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if verb_3sg in _IRREGULAR_PARTICIPLE:
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return _IRREGULAR_PARTICIPLE[verb_3sg]
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base = _base_form(verb_3sg)
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if base.endswith("e") and not base.endswith("ee"):
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return base[:-1] + "ing"
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return base + "ing"
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def past_participle(verb_3sg: str) -> str:
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if verb_3sg in _IRREGULAR_PAST_PARTICIPLE:
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return _IRREGULAR_PAST_PARTICIPLE[verb_3sg]
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return past_tense(verb_3sg)
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def base_form(verb_3sg: str) -> str:
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return _base_form(verb_3sg)
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