Commit 47e7eb80 authored by Mostofa Patwary's avatar Mostofa Patwary
Browse files

Added code to cleanup and fix code

parent 9c2eb971
# coding=utf-8
# Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Filter and clean documents:
Capable to clean docs with less than 512 characters, less than
256 characters and contains javascript, fix text and clean text
"""
import argparse
from functools import partial
import glob
import ftfy
import json
from langdetect import detect
import multiprocessing
import os
from pathlib import Path
import re
import time
def process_doc(json_line, args):
# Read the line.
document = json.loads(json_line)
text = document['text']
output = {'remove_512': False, 'remove_256_javascript': False, \
'remove_512_non_english': False, 'ftfy_fix_text': False, \
'general_cleaning': False}
try:
# Reomove all docs with less than 512 characters
if "remove_512" in args.tasks:
if len(text) < 512:
output['remove_512'] = True
return output, text, document, True
# Remove docs if less than 256 character length and contains Javascript
if "remove_256_javascript" in args.tasks:
if len(text) < 256 and 'javascript' in text.lower():
output['remove_256_javascript'] = True
return output, text, document, True
# Remove docs < 512 and nonenglish
if "remove_512_non_english" in args.tasks:
if len(text) < 512 and detect(text) != 'en':
output['remove_512_non_english'] = True
return output, text, document, True
# Fix the text using ftfy, don't remove the text, hence return False
if "ftfy_fix_text" in args.tasks:
fixed_text = ftfy.fix_text(text)
output['ftfy_fix_text'] = True
return output, fixed_text, document, False
# Cleaning extra spaces and newlines
if "general_cleaning" in args.tasks:
cleaned_text = re.sub(r" +|\b\n+ |\b\n+", " ", text)
output['general_cleaning'] = True
return output, cleaned_text, document, False
except Exception as e:
print('Error: *************************\n{}\ntext: {}'.format(e, \
text), flush=True)
return output, text, True
# don't remove
return output, text, document, False
def process_set(args, input_file, output_f_cleaned, output_f_filtered):
print(' > working on {} ...'.format(input_file), flush=True)
num_docs = num_remove_512 = num_remove_java = num_remove_512_non_english \
= num_ftfy_fix_text = num_general_cleaning = 0
# Output file and counters.
output_cleaned = open(output_f_cleaned, 'wb')
output_filtered = open(output_f_filtered, 'wb')
start_time = time.time()
# Setup multi-processing.
num_workers = 40
fin = open(input_file, 'r', encoding='utf-8')
pool = multiprocessing.Pool(num_workers)
process_doc_partial = partial(process_doc, args=args)
processed_docs = pool.imap(process_doc_partial, fin, 500)
# Process documents.
for output, text, document, to_filter in processed_docs:
num_docs += 1
num_remove_512 += 1 if output['remove_512'] else 0
num_remove_java += 1 if output['remove_256_javascript'] else 0
num_remove_512_non_english += 1 if output['remove_512_non_english'] \
else 0
num_ftfy_fix_text += 1 if output['ftfy_fix_text'] else 0
num_general_cleaning +1 if output['general_cleaning'] else 0
document['text'] = text
myjson = json.dumps(document, ensure_ascii=False)
if to_filter:
output_filtered.write(myjson.encode('utf-8'))
output_filtered.write('\n'.encode('utf-8'))
else:
output_cleaned.write(myjson.encode('utf-8'))
output_cleaned.write('\n'.encode('utf-8'))
if num_docs % args.log_interval == 0:
print(' processed {:9d} documents in {:.2f} seconds ...'.format(
num_docs, time.time() - start_time), flush=True)
# Close the file.
output_cleaned.close()
output_filtered.close()
fin.close()
# Print stats.
print(' >> total docs: {} remove_512 {} remove_256_javascript {} '\
'remove_512_non_english {} ftfy_fix_text {} general_cleaning {}'.\
format(num_docs, num_remove_512, num_remove_java,\
num_remove_512_non_english, num_ftfy_fix_text, \
num_general_cleaning), flush=True)
if __name__ == '__main__':
print('parsing the arguments ...')
parser = argparse.ArgumentParser()
parser.add_argument('--input-files', nargs = '*', required=True, default=\
None, help = 'Input json files that needs to be'\
' creaned')
parser.add_argument('--tasks', nargs = '*', required=True, default=None,\
help = 'Tasks to perform on the input files')
parser.add_argument('--output-path', type=str, default=None,
help='Directory where the output should go')
parser.add_argument('--log-interval', type=int, default=100,
help='Log interval')
args = parser.parse_args()
print('cleanup dataset ...')
for input_file in args.input_files:
input_filename, input_filename_ext = os.path.splitext(Path(input_file)\
.name)
output_f_cleaned = os.path.join(args.output_path, input_filename + \
"_cleaned" + input_filename_ext)
output_f_filtered = os.path.join(args.output_path, input_filename + \
"_filtered" + input_filename_ext)
process_set(args, input_file, output_f_cleaned, output_f_filtered)
print('done :-)', flush=True)
...@@ -181,7 +181,7 @@ def free_ngram(line, args, key, ngrams, ngrams_freq_sorted): ...@@ -181,7 +181,7 @@ def free_ngram(line, args, key, ngrams, ngrams_freq_sorted):
len(text_buf_ngram_free[0]) < len(myjson[key]): len(text_buf_ngram_free[0]) < len(myjson[key]):
trimmed = 1 trimmed = 1
return text_buf_ngram_free, trimmed, local_ngram return text_buf_ngram_free, trimmed, myjson, local_ngram
# insert word sequence into dictionary # insert word sequence into dictionary
def insert_dict(words, ngrams, pos): def insert_dict(words, ngrams, pos):
...@@ -312,7 +312,7 @@ def get_ngrams_below_threshold(args, ngrams, ngrams_below_threshold, \ ...@@ -312,7 +312,7 @@ def get_ngrams_below_threshold(args, ngrams, ngrams_below_threshold, \
free_ngrams_abt = pool.imap(free_ngram_abt_partial, fin, 500) free_ngrams_abt = pool.imap(free_ngram_abt_partial, fin, 500)
counter = 0 counter = 0
for _, _, local_ngram in free_ngrams_abt: for _, _, _, local_ngram in free_ngrams_abt:
counter += 1 counter += 1
if counter % 1000 == 0: if counter % 1000 == 0:
print(' [compute_stat]> processed {} documents in {:.2f} seconds ...'. print(' [compute_stat]> processed {} documents in {:.2f} seconds ...'.
...@@ -361,7 +361,7 @@ def clean_ngrams_below_threshold(args, ngrams_below_threshold, dedup_file, \ ...@@ -361,7 +361,7 @@ def clean_ngrams_below_threshold(args, ngrams_below_threshold, dedup_file, \
out_f = open(args.output, 'wb') out_f = open(args.output, 'wb')
for text_buf_ngram_free, trimmed, _ in free_ngrams_clean: for text_buf_ngram_free, trimmed, myjson, _ in free_ngrams_clean:
counter += 1 counter += 1
try: try:
...@@ -380,9 +380,11 @@ def clean_ngrams_below_threshold(args, ngrams_below_threshold, dedup_file, \ ...@@ -380,9 +380,11 @@ def clean_ngrams_below_threshold(args, ngrams_below_threshold, dedup_file, \
for i in range(len(text_buf_ngram_free)): for i in range(len(text_buf_ngram_free)):
split_id_string = id_prefix + '-{:010d}'.format(int(\ split_id_string = id_prefix + '-{:010d}'.format(int(\
counter)) + '-{:010d}'.format(int(i)) counter)) + '-{:010d}'.format(int(i))
outjson = json.dumps({"text":text_buf_ngram_free[i], myjson[dedup_key] = text_buf_ngram_free[i]
id_prefix+"_split_id":split_id_string}, outjson = json.dumps(myjson, ensure_ascii=False)
ensure_ascii=False) #outjson = json.dumps({"text":text_buf_ngram_free[i],
# id_prefix+"_split_id":split_id_string},
# ensure_ascii=False)
out_f.write(outjson.encode('utf-8')) out_f.write(outjson.encode('utf-8'))
out_f.write('\n'.encode('utf-8')) out_f.write('\n'.encode('utf-8'))
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment