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84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
from senpy.plugins import AnalysisPlugin
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from senpy.models import Entry
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from nltk.tokenize.punkt import PunktSentenceTokenizer
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from nltk.tokenize.simple import LineTokenizer
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import nltk
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class Split(AnalysisPlugin):
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'''description: A sample plugin that chunks input text'''
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author = ["@militarpancho", '@balkian']
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version = '0.3'
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url = "https://github.com/gsi-upm/senpy"
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extra_params = {
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'delimiter': {
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'aliases': ['type', 't'],
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'required': False,
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'default': 'sentence',
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'options': ['sentence', 'paragraph']
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},
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}
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def activate(self):
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nltk.download('punkt')
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def analyse_entry(self, entry, params):
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yield entry
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chunker_type = params["delimiter"]
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original_text = entry['nif:isString']
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if chunker_type == "sentence":
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tokenizer = PunktSentenceTokenizer()
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if chunker_type == "paragraph":
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tokenizer = LineTokenizer()
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chars = list(tokenizer.span_tokenize(original_text))
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if len(chars) == 1:
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# This sentence was already split
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return
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for i, chunk in enumerate(chars):
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start, end = chunk
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e = Entry()
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e['nif:isString'] = original_text[start:end]
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if entry.id:
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e.id = entry.id + "#char={},{}".format(start, end)
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yield e
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test_cases = [
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{
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'entry': {
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'nif:isString': 'Hello. World.'
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},
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'params': {
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'delimiter': 'sentence',
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},
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'expected': [
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{
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'nif:isString': 'Hello.'
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},
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{
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'nif:isString': 'World.'
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}
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]
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},
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{
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'entry': {
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"@id": ":test",
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'nif:isString': 'Hello\nWorld'
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},
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'params': {
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'delimiter': 'paragraph',
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},
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'expected': [
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{
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"@id": ":test#char=0,5",
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'nif:isString': 'Hello'
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},
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{
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"@id": ":test#char=6,11",
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'nif:isString': 'World'
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}
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]
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}
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]
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