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https://github.com/explosion/spaCy.git
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94 lines
2.7 KiB
Python
Executable File
94 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import unicode_literals, print_function
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import plac
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import joblib
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from os import path
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import os
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import bz2
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import ujson
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from preshed.counter import PreshCounter
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from joblib import Parallel, delayed
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import io
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from spacy.en import English
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from spacy.strings import StringStore
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from spacy.attrs import ORTH
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from spacy.tokenizer import Tokenizer
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from spacy.vocab import Vocab
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def iter_comments(loc):
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with bz2.BZ2File(loc) as file_:
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for line in file_:
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yield ujson.loads(line)
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def count_freqs(input_loc, output_loc):
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print(output_loc)
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vocab = English.default_vocab(get_lex_attr=None)
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tokenizer = Tokenizer.from_dir(vocab,
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path.join(English.default_data_dir(), 'tokenizer'))
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counts = PreshCounter()
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for json_comment in iter_comments(input_loc):
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doc = tokenizer(json_comment['body'])
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doc.count_by(ORTH, counts=counts)
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with io.open(output_loc, 'w', 'utf8') as file_:
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for orth, freq in counts:
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string = tokenizer.vocab.strings[orth]
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if not string.isspace():
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file_.write('%d\t%s\n' % (freq, string))
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def parallelize(func, iterator, n_jobs):
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Parallel(n_jobs=n_jobs)(delayed(func)(*item) for item in iterator)
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def merge_counts(locs, out_loc):
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string_map = StringStore()
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counts = PreshCounter()
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for loc in locs:
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with io.open(loc, 'r', encoding='utf8') as file_:
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for line in file_:
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freq, word = line.strip().split('\t', 1)
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orth = string_map[word]
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counts.inc(orth, int(freq))
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with io.open(out_loc, 'w', encoding='utf8') as file_:
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for orth, count in counts:
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string = string_map[orth]
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file_.write('%d\t%s\n' % (count, string))
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@plac.annotations(
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input_loc=("Location of input file list"),
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freqs_dir=("Directory for frequency files"),
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output_loc=("Location for output file"),
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n_jobs=("Number of workers", "option", "n", int),
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skip_existing=("Skip inputs where an output file exists", "flag", "s", bool),
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)
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def main(input_loc, freqs_dir, output_loc, n_jobs=2, skip_existing=False):
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tasks = []
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outputs = []
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for input_path in open(input_loc):
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input_path = input_path.strip()
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if not input_path:
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continue
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filename = input_path.split('/')[-1]
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output_path = path.join(freqs_dir, filename.replace('bz2', 'freq'))
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outputs.append(output_path)
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if not path.exists(output_path) or not skip_existing:
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tasks.append((input_path, output_path))
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if tasks:
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parallelize(count_freqs, tasks, n_jobs)
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print("Merge")
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merge_counts(outputs, output_loc)
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if __name__ == '__main__':
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plac.call(main)
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