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import os
import json
import gzip
import pandas as pd
from tqdm import tqdm
from multiprocessing import Pool
langs = ["as", "bn", "gu", "kn", "hi", "ml", "mr", "ne", "or", "sa", "sd", "ta", "ur", "te", "mai"]
toxic_words = {}
for lang in langs:
toxic_word = []
with open(f"toxic_word_list/{lang}.txt", "r") as f:
for line in f:
toxic_word.append(line.strip())
toxic_words[lang] = set(toxic_word)
toxic_url = []
with open("blacklisted_urls.txt", "r") as f:
for line in f:
toxic_url.append(line.strip())
toxic_urls = set(toxic_url)
def toxic(json_obj, lang):
url = json_obj["source_domain"]
if(url in toxic_urls):
return True
content = json_obj["raw_content"]
words = content.split()
for word in words:
if(word in toxic_words[lang]):
return True
return False
def process_file(file_info):
input_path, output_path = file_info
lang = input_path.split('/')[-1].split('_')[0]
# Read JSON objects and filter them
filtered_documents = []
with gzip.open(input_path, 'rt') as input_file:
for line in input_file:
json_obj = json.loads(line)
if(not toxic(json_obj, lang)):
filtered_documents.append(json_obj)
# Write filtered JSON objects to new file
with gzip.open(output_path, 'wt') as output_file:
for doc in filtered_documents:
output_file.write(json.dumps(doc, ensure_ascii=False) + '\n')
def filter_json_files(input_folder, output_folder):
# Create output folder if it doesn't exist
if not os.path.exists(output_folder):
os.makedirs(output_folder)
file_infos = []
# Iterate through each JSON file in the input folder
for filename in sorted(os.listdir(input_folder)):
if filename.endswith(".json.gz"):
input_path = os.path.join(input_folder, filename)
output_path = os.path.join(output_folder, filename)
# print((input_path, output_path, clusters_file))
file_infos.append((input_path, output_path))
# Initialize tqdm with the total number of files
with tqdm(total=len(file_infos)) as pbar:
# Create a pool of workers
with Pool(processes=160) as pool:
# Use tqdm as a context manager to automatically close the pool and update the progress bar
for _ in pool.imap_unordered(process_file, file_infos):
pbar.update()
print("Filtering done for ", input_folder.split('/')[-1])
snapshots = ["2018-17", "2018-22", "2018-26", "2018-30", "2018-34", "2018-39", "2018-43", "2018-47", "2018-51", "2019-04", "2019-09", "2019-13", "2019-18", "2019-22", "2019-26", "2019-30", "2019-35", "2019-39", "2019-43", "2019-47", "2019-51", "2020-05", "2020-10", "2020-16", "2020-24", "2020-29", "2020-34", "2020-40", "2020-45", "2020-50", "2021-04", "2021-10", "2021-17", "2021-21", "2021-25", "2021-31", "2021-39", "2021-43", "2021-49", "2022-05", "2022-21", "2022-27", "2022-33", "2022-40", "2022-49", "2023-06", "2023-14", "2023-23", "2023-40", "2023-50", "2024-10"]
# snapshots = ["2023-06", "2023-14", "2023-23", "2023-40", "2023-50", "2024-10"]
for snap in snapshots:
input_folder = f"/mnt/weka/peacock/wet-data/output/heuristic_filtered_without_bloom_new/{snap}"
output_folder = f"/mnt/weka/peacock/wet-data/output/toxic_filtered_without_bloom_new/{snap}"
filter_json_files(input_folder, output_folder)
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