mirror of
https://github.com/explosion/spaCy.git
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66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
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import re
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import os
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from os import path
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def parse(sent_text, strip_bad_periods=False):
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sent_text = sent_text.strip()
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assert sent_text and sent_text.startswith('(')
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open_brackets = []
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brackets = []
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bracketsRE = re.compile(r'(\()([^\s\)\(]+)|([^\s\)\(]+)?(\))')
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word_i = 0
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words = []
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# Remove outermost bracket
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if sent_text.startswith('(('):
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sent_text = sent_text.replace('((', '( (', 1)
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for match in bracketsRE.finditer(sent_text[2:-1]):
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open_, label, text, close = match.groups()
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if open_:
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assert not close
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assert label.strip()
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open_brackets.append((label, word_i))
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else:
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assert close
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label, start = open_brackets.pop()
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assert label.strip()
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if strip_bad_periods and words and _is_bad_period(words[-1], text):
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continue
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# Traces leave 0-width bracket, but no token
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if text and label != '-NONE-':
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words.append(text)
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word_i += 1
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else:
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brackets.append((label, start, word_i))
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return words, brackets
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def _is_bad_period(prev, period):
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if period != '.':
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return False
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elif prev == '.':
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return False
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elif not prev.endswith('.'):
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return False
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else:
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return True
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def split(text):
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sentences = []
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current = []
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for line in text.strip().split('\n'):
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line = line.rstrip()
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if not line:
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continue
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# Detect the start of sentences by line starting with (
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# This is messy, but it keeps bracket parsing at the sentence level
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if line.startswith('(') and current:
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sentences.append('\n'.join(current))
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current = []
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current.append(line)
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if current:
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sentences.append('\n'.join(current))
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return sentences
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