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100 lines
2.5 KiB
100 lines
2.5 KiB
2 years ago
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import re
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import typing
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from rebulk.match import Match
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seps = frozenset(r' [](){}+*|=-_~#/\\.,;:' + '\uff08\uff09')
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suppress_chars = frozenset("'")
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release_name_re = re.compile(r'(?P<release>[^\.\s]+(?:\.[^\.\s]+){2,})')
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def to_words(value: str,
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separators: typing.FrozenSet[str] = seps,
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ignore_chars: typing.FrozenSet[str] = suppress_chars,
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predicate: typing.Callable[[str], bool] = lambda x: True):
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input_string = value
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start = 0
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i = 0
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word = ''
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words: typing.List[Match] = []
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for c in input_string:
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i += 1
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if c in ignore_chars:
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continue
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if c not in separators:
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word += c
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continue
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if not word:
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start = i
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continue
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end = i - 1
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if not predicate(value[start:end]):
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input_string = blank(input_string, start, end)
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else:
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words.append(Match(start, i - 1, value=word))
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word = ''
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start = i
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if word:
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if not predicate(value[start:]):
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input_string = blank(input_string, start, len(input_string))
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else:
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words.append(Match(start, i, value=word))
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for w in words:
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w.input_string = input_string
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return words
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def to_combinations(words: typing.List[Match], max_items: int):
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results: typing.List[typing.List[Match]] = []
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n_words = len(words)
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cur_size = min(max_items, n_words)
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start = 0
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while cur_size > 0:
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end = start + cur_size
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if end > n_words:
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start = 0
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cur_size -= 1
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continue
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results.append(words[start:end])
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start += 1
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return results
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def to_sentence(combination: typing.List[Match]):
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return ' '.join([c.value for c in combination])
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def to_match(combination: typing.List[Match], value: typing.Any):
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start = combination[0].start
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end = combination[-1].end
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input_string = combination[0].input_string
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return Match(start, end, value=value, input_string=input_string)
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def blank(string: str, start: int, end: int):
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return string[:start] + ''.ljust(end - start, ' ') + string[end:]
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def blank_match(match: Match):
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return blank(match.input_string, match.start, match.end)
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def blank_release_names(value: str):
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result = value
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match = release_name_re.search(value)
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while match:
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result = blank(result, match.start('release'), match.end('release'))
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match = release_name_re.search(value, match.end('release'))
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return result
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