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40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
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# coding: utf8
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from __future__ import unicode_literals
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from ...compat import json_dumps, path2str
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from ...util import prints
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def iob2json(input_path, output_path, n_sents=10, *a, **k):
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"""
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Convert IOB files into JSON format for use with train cli.
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"""
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# TODO: This isn't complete yet -- need to map from IOB to
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# BILUO
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with input_path.open() as file_:
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docs = read_iob(file_)
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output_filename = input_path.parts[-1].replace(".iob", ".json")
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output_file = output_path / output_filename
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with output_file.open('w', encoding='utf-8') as f:
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f.write(json_dumps(docs))
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prints("Created %d documents" % len(docs),
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title="Generated output file %s" % path2str(output_file))
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def read_iob(file_):
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sentences = []
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for line in file_:
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if not line.strip():
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continue
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tokens = [t.rsplit('|', 2) for t in line.split()]
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words, pos, iob = zip(*tokens)
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sentences.append([
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{'orth': w, 'tag': p, 'ner': ent}
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for (w, p, ent) in zip(words, pos, iob)
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])
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sentences = [{'tokens': sent} for sent in sentences]
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paragraphs = [{'sentences': [sent]} for sent in sentences]
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docs = [{'id': 0, 'paragraphs': [para]} for para in paragraphs]
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return docs
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