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# -*- coding: utf-8 -*-
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# Natural Language Toolkit: Compatibility
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#
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# Copyright (C) 2001-2020 NLTK Project
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#
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# URL: <http://nltk.org/>
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# For license information, see LICENSE.TXT
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import os
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from functools import wraps
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# ======= Compatibility for datasets that care about Python versions ========
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# The following datasets have a /PY3 subdirectory containing
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# a full copy of the data which has been re-encoded or repickled.
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DATA_UPDATES = [
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("chunkers", "maxent_ne_chunker"),
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("help", "tagsets"),
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("taggers", "maxent_treebank_pos_tagger"),
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("tokenizers", "punkt"),
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]
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_PY3_DATA_UPDATES = [os.path.join(*path_list) for path_list in DATA_UPDATES]
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def add_py3_data(path):
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for item in _PY3_DATA_UPDATES:
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if item in str(path) and "/PY3" not in str(path):
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pos = path.index(item) + len(item)
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if path[pos : pos + 4] == ".zip":
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pos += 4
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path = path[:pos] + "/PY3" + path[pos:]
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break
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return path
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# for use in adding /PY3 to the second (filename) argument
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# of the file pointers in data.py
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def py3_data(init_func):
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def _decorator(*args, **kwargs):
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args = (args[0], add_py3_data(args[1])) + args[2:]
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return init_func(*args, **kwargs)
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return wraps(init_func)(_decorator)
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