89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
import re
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__KATA_TO_HIRA_MAP = {
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i: i - 96 for i in [
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*range(0x30A1, 0x30F6),
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*range(0x30FD, 0x30FE),
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]
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}
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__HALFWIDTH_TO_FULLWIDTH_MAP = {
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i: i + 0xFEE0 for i in [
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*range(0x21, 0x7F),
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]
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}
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def kata_to_hira(text):
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hira = text.translate(__KATA_TO_HIRA_MAP)
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return hira
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def add_fullwidth(expressions):
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for expression in expressions:
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new_exp = expression.translate(__HALFWIDTH_TO_FULLWIDTH_MAP)
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if new_exp not in expressions:
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expressions.append(new_exp)
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def add_variant_kanji(expressions, variant_kanji):
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for old_kanji, new_kanji in variant_kanji.items():
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new_exps = []
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for expression in expressions:
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if old_kanji in expression:
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new_exp = expression.replace(old_kanji, new_kanji)
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new_exps.append(new_exp)
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for new_exp in new_exps:
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if new_exp not in expressions:
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expressions.append(new_exp)
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def remove_iteration_mark(expressions):
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iterated_kanji = r"(.)々"
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for expression in expressions:
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for char in re.findall(iterated_kanji, expression):
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new_exp = expression.replace(f"{char}々", f"{char}{char}")
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if new_exp not in expressions:
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expressions.append(new_exp)
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def add_iteration_mark(expressions):
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repeat_kanji = r"([^0-z０-ｚぁ-ヿ])\1"
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for expression in expressions:
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for char in re.findall(repeat_kanji, expression):
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new_exp = expression.replace(f"{char}{char}", f"{char}々")
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if new_exp not in expressions:
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expressions.append(new_exp)
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def expand_abbreviation(abbreviated_expression):
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"""Return a list of words described by a 省略 notation.
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eg. "有（り）合（わ）せ" -> [
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"有り合わせ", "有合わせ", "有り合せ", "有合せ"
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]
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"""
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groups = re.findall(r"([^（]*)(（([^（]+)）)?", abbreviated_expression)
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expressions = [""]
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for group in groups:
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new_exps = []
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for expression in expressions:
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new_exps.append(expression + group[0])
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expressions = new_exps.copy()
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if group[2] == '':
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continue
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new_exps = []
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for expression in expressions:
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new_exps.append(expression + group[2])
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expressions = new_exps.copy() + expressions.copy()
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return expressions
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def expand_abbreviation_list(expressions):
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new_exps = []
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for expression in expressions:
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for new_exp in expand_abbreviation(expression):
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if new_exp not in new_exps:
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new_exps.append(new_exp)
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return new_exps
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