Add web/core/scripture_normalizer.py
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web/core/scripture_normalizer.py
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web/core/scripture_normalizer.py
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# core/scripture_normalizer.py
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from __future__ import annotations
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import re
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from typing import Dict, List, Tuple
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# --- Book map (common full names + abbreviations -> canonical abbr) ---
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# Tweak any canonical value if you prefer a different house style.
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BOOK_CANON = {
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# OT
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"genesis": "Gen.", "gen": "Gen.", "genesisesis": "Gen.",
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"exodus": "Ex.", "ex": "Ex.",
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"leviticus": "Lev.", "lev": "Lev.",
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"numbers": "Num.", "num": "Num.", "nums": "Num.",
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"deuteronomy": "Deut.", "deut": "Deut.", "deu": "Deut.", "deutronomy": "Deut.", "deut.": "Deut.",
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"joshua": "Josh.", "josh": "Josh.",
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"judges": "Judg.", "judg": "Judg.",
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"ruth": "Ruth",
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"1 samuel": "1 Sam.", "i samuel": "1 Sam.", "1 sam": "1 Sam.",
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"2 samuel": "2 Sam.", "ii samuel": "2 Sam.", "2 sam": "2 Sam.",
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"1 kings": "1 Ki.", "i kings": "1 Ki.", "1 ki": "1 Ki.", "1kgs": "1 Ki.", "1 kgs": "1 Ki.",
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"2 kings": "2 Ki.", "ii kings": "2 Ki.", "2 ki": "2 Ki.", "2kgs": "2 Ki.", "2 kgs": "2 Ki.",
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"1 chronicles": "1 Chron.", "i chronicles": "1 Chron.", "1 chron": "1 Chron.",
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"2 chronicles": "2 Chron.", "ii chronicles": "2 Chron.", "2 chron": "2 Chron.",
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"ezra": "Ezra",
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"nehemiah": "Neh.", "neh": "Neh.",
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"esther": "Esth.", "esth": "Esth.",
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"job": "Job",
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"psalm": "Ps.", "psalms": "Ps.", "ps": "Ps.",
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"proverbs": "Prov.", "prov": "Prov.",
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"ecclesiastes": "Eccl.", "eccles": "Eccl.", "eccl": "Eccl.",
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"song of solomon": "Song", "song of songs": "Song", "song": "Song",
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"isaiah": "Isa.", "isa": "Isa.",
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"jeremiah": "Jer.", "jer": "Jer.", "jer.": "Jer.",
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"lamentations": "Lam.", "lam": "Lam.",
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"ezekiel": "Ezek.", "ezek": "Ezek.",
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"daniel": "Dan.", "dan": "Dan.",
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"hosea": "Hos.", "hos": "Hos.",
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"joel": "Joel",
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"amos": "Amos",
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"obadiah": "Obad.", "obad": "Obad.",
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"jonah": "Jon.", "jon": "Jon.",
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"micah": "Mic.", "mic": "Mic.",
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"nahum": "Nah.", "nah": "Nah.",
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"habakkuk": "Hab.", "hab": "Hab.",
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"zephaniah": "Zeph.", "zeph": "Zeph.",
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"haggai": "Hag.", "hag": "Hag.",
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"zechariah": "Zech.", "zech": "Zech.",
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"malachi": "Mal.", "mal": "Mal.",
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# NT
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"matthew": "Matt.", "matt": "Matt.",
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"mark": "Mark",
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"luke": "Luke",
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"john": "John",
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"acts": "Acts",
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"romans": "Rom.", "rom": "Rom.",
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"1 corinthians": "1 Cor.", "i corinthians": "1 Cor.", "1 cor": "1 Cor.", "1 cor.": "1 Cor.",
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"2 corinthians": "2 Cor.", "ii corinthians": "2 Cor.", "2 cor": "2 Cor.", "2 cor.": "2 Cor.",
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"galatians": "Gal.", "gal": "Gal.",
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"ephesians": "Eph.", "eph": "Eph.", "eph.": "Eph.",
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"philippians": "Phil.", "phil": "Phil.", "philippians 216": "Phil.", # common import glitch
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"colossians": "Col.", "col": "Col.",
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"1 thessalonians": "1 Thess.", "i thessalonians": "1 Thess.", "1 thess": "1 Thess.",
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"2 thessalonians": "2 Thess.", "ii thessalonians": "2 Thess.", "2 thess": "2 Thess.",
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"1 timothy": "1 Tim.", "i timothy": "1 Tim.", "1 tim": "1 Tim.",
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"2 timothy": "2 Tim.", "ii timothy": "2 Tim.", "2 tim": "2 Tim.",
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"titus": "Titus",
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"philemon": "Philem.", "philem": "Philem.",
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"hebrews": "Heb.", "heb": "Heb.",
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"james": "Jas.", "jas": "Jas.",
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"1 peter": "1 Pet.", "i peter": "1 Pet.", "1 pet": "1 Pet.",
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"2 peter": "2 Pet.", "ii peter": "2 Pet.", "2 pet": "2 Pet.",
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"1 john": "1 John", "i john": "1 John",
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"2 john": "2 John", "ii john": "2 John",
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"3 john": "3 John", "iii john": "3 John",
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"jude": "Jude",
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"revelation": "Rev.", "rev": "Rev.",
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}
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# add “numbered+book” fallbacks like “1 cor”, “2 ki”, “1 chron”, etc.
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def _variants() -> Dict[str, str]:
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base = dict(BOOK_CANON)
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numbered = [
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("samuel", "Sam."), ("kings", "Ki."), ("chronicles", "Chron."),
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("corinthians", "Cor."), ("thessalonians", "Thess."),
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("timothy", "Tim."), ("peter", "Pet."), ("john", "John"),
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]
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for n in ("1", "i"):
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for name, abbr in numbered:
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base[f"{n} {name}"] = f"1 {abbr}"
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for n in ("2", "ii"):
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for name, abbr in numbered:
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base[f"{n} {name}"] = f"2 {abbr}"
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for n in ("3", "iii"):
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base[f"{n} john"] = "3 John"
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# very common shorthands
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base["ps"] = "Ps."
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base["prov"] = "Prov."
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base["eccles"] = "Eccl."
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base["deut "] = "Deut."
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base["deut."] = "Deut."
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return base
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BOOK_MAP = _variants()
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# strip cruft words like "Read", "chapter"
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CRUFT_RE = re.compile(r"\b(read|see|chap(?:ter)?|ch)\b\.?", re.I)
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# book prefix pattern (handles “1 Cor.”, “2 Peter”, “Rom.”, “Psalms”)
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BOOK_RE = re.compile(
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r"""
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^\s*
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(?:
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(?P<num>[1-3]|i{1,3})\s* # optional leading 1/2/3 (or roman i/ii/iii)
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)?
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\s*
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(?P<book>[A-Za-z\.]+(?:\s+[A-Za-z\.]+){0,2}) # book words (1-3 words)
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\s*
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""",
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re.X
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)
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# chapter/verse piece like "4:6, 7-9" or "21" (chapter only)
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C_V_RE = re.compile(
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r"""
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(?:
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(?P<ch>\d+)
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(?:
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:(?P<vs>[\d,\-\u2013\u2014\s]+) # verses: lists/ranges, allow en/em dash
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)?
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)
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""",
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re.X
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)
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def _clean_text(s: str) -> str:
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s = s.replace("\xa0", " ").replace("\u2009", " ").replace("\u202f", " ")
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s = CRUFT_RE.sub("", s)
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s = s.replace("..", ".").replace("—", "-").replace("–", "-")
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s = s.replace(" ", " ").strip(" ;,.\t\r\n")
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return s.strip()
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def _canon_book(book_raw: str) -> str | None:
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if not book_raw:
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return None
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key = book_raw.lower().strip().replace(".", "")
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key = re.sub(r"\s+", " ", key)
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# try exact
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if key in BOOK_MAP:
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return BOOK_MAP[key]
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# try adding number + name variants already in map
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return BOOK_CANON.get(key) # last-resort
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def _parse_segment(seg: str, last_book: str | None) -> Tuple[str | None, str | None]:
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"""
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Return (book_canon, cv_string) for one semicolon-delimited segment.
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If no book is present, reuse last_book.
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"""
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s = _clean_text(seg)
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if not s:
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return (None, None)
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# try to see if it starts with a book
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m = BOOK_RE.match(s)
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book = None
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rest = s
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if m:
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raw = ((m.group("num") or "").strip() + " " + (m.group("book") or "").strip()).strip()
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raw = raw.replace(" ", " ")
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# if the "book" word is obviously a book
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canon = _canon_book(raw)
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if canon:
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book = canon
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rest = s[m.end():].strip(",;: .")
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else:
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# maybe m just matched a word that's not a book; keep whole as rest
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rest = s
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if not book:
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book = last_book # inherit prior
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# now rest should hold "4:6,7-9" or "21" etc — normalize spaces
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rest = rest.replace(" ", "")
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# fix cases like "2: 24" -> "2:24"
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rest = re.sub(r":\s+", ":", rest)
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# allow chapter-only
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if not rest:
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cv = None
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else:
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# validate basic shape
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if C_V_RE.search(rest):
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cv = rest
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# normalize commas around verses e.g. "6, 7" -> "6,7"
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cv = cv.replace(" ", "")
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else:
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# weird text (like just a word) — treat as chapter-only number if any
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m2 = re.search(r"\d+(?::[\d,\-]+)?", rest)
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cv = m2.group(0).replace(" ", "") if m2 else None
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return (book, cv)
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def normalize_scripture_field(text: str) -> Tuple[str, List[str]]:
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"""
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Normalize a whole scripture_raw string.
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Returns (normalized_text, warnings).
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"""
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warnings: List[str] = []
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if not text:
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return ("", warnings)
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# split on semicolons; keep empty pieces out
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pieces = [p for p in re.split(r"\s*;\s*", text) if p and p.strip()]
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out: List[str] = []
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last_book: str | None = None
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for piece in pieces:
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book, cv = _parse_segment(piece, last_book)
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if not book and not cv:
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continue
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if book and not cv:
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# only a book (e.g., "Acts")
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out.append(book)
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last_book = book
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continue
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if not book and cv:
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# verses but no book — cannot link properly; warn and skip
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warnings.append(f"Missing book for '{piece.strip()}'")
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continue
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# normalize verse separators "1, 2" -> "1,2" already done; ensure ranges use hyphen
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cv = cv.replace("–", "-").replace("—", "-")
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# build
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out.append(f"{book} {cv}")
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last_book = book
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# de-dup whitespace, join with semicolons
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norm = "; ".join(o.strip() for o in out if o.strip())
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norm = norm.strip(" ;,")
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# final tiny cleanup
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norm = re.sub(r"\s+", " ", norm)
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return (norm, warnings)
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