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# -*- coding: utf-8 -*-
"""
Random Line Fetcher for Large Datasets
Extracts and stores relevant links from local French online news articles.
pip install beautifulsoup4 mysql-connector-python colorama
Author : Guillaume Eckendoerffer
Date : 28-09-23
Repository : https://github.com/Eckendoerffer/TorchTrainerFlow/
https://huggingface.co/datasets/eckendoerffer/news_fr
"""
import os
from bs4 import BeautifulSoup
import mysql.connector
import hashlib
from colorama import Fore, init
# Database configuration
db_config = {
"host": "[host]",
"user": "[user]",
"password": "[passwd]",
"database": "[database]"
}
conn = mysql.connector.connect(**db_config)
cursor = conn.cursor()
query = "SELECT `key_media` FROM `base_news` WHERE `key_media` != ''"
cursor.execute(query)
keys = cursor.fetchall()
formatted_keys = "|".join([key[0] for key in keys]) + "|"
init(autoreset=True)
def get_dom_path(url):
from urllib.parse import urlparse
parsed_url = urlparse(url)
return f"{parsed_url.scheme}://{parsed_url.netloc}"
def get_html_content(file_path):
with open(file_path, 'r', encoding='utf8', errors='ignore') as file:
return file.read()
def mysqli_return_number(conn, query, params=None):
cursor = conn.cursor()
cursor.execute(query)
result = cursor.fetchone()
cursor.close()
return result[0] if result else 0
def process_news_source(id_source, url_source, id_media):
global formatted_keys
dom = get_dom_path(url_source)
cursor.execute(f"UPDATE `base_news` SET `link`='1' WHERE `id`='{id_source}' LIMIT 1")
conn.commit()
file_path = f"sources/html_news/{id_source}.txt"
if os.path.exists(file_path):
html_content = get_html_content(file_path)
else:
return
print(f"{id_source} {url_source} {id_media} ({len(html_content)})")
soup = BeautifulSoup(html_content, 'html.parser')
nb_add = 0
for link in soup.find_all('a'):
url = link.get('href')
if url is None:
continue
url = url.split("#")[0]
url = url.split("?")[0]
if not url:
continue
if not "//" in url:
url = f"{dom}/{url}" if url[0] != '/' else f"{dom}{url}"
elif "http" not in url:
url = 'https:' + url
if not url.startswith(("http://", "https://")) or url.count(' ') or url.count('%') or url.count('\''):
continue
key = hashlib.md5(url.encode()).hexdigest()
nb_base_news = formatted_keys.count(f'{key}|')
if url.startswith(dom):
if nb_base_news:
#print(Fore.YELLOW + url)
continue
elif (
url.count("-") > 6 and
not any(substring in url for substring in ['replay', 'video', 'login', '/inloggen', '?redirect', '.jpg', '.png', 'mailto'])
):
print(Fore.GREEN + url)
insert_query = f"INSERT INTO `base_news` (`id`, `key_media`, `media`, `url`, `step`) VALUES (NULL, '{key}', '{id_media}', '{url}', '0');"
cursor.execute(insert_query)
conn.commit()
formatted_keys = f'{formatted_keys}{key}|'
nb_add += 1
else:
#print(Fore.RED + url)
continue
def process():
global formatted_keys
cursor = conn.cursor()
query = ("SELECT `id`, `url`, `media` FROM `base_news` WHERE `link`='0' AND `step` > 0 ORDER BY Rand() LIMIT 1000")
cursor.execute(query)
rows = cursor.fetchall()
if not rows:
print('No unprocessed news source found.')
for row in rows:
id_source, url_source, id_media = row
process_news_source(id_source, url_source, id_media)
while True:
process()
conn.close()
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