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""" |
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News links extractor |
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Extracts and stores relevant links from local French online news articles. |
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pip install beautifulsoup4 mysql-connector-python colorama |
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Author : Guillaume Eckendoerffer |
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Date : 28-09-23 |
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Repository : https://github.com/Eckendoerffer/TorchTrainerFlow/ |
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""" |
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import os, hashlib |
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from bs4 import BeautifulSoup |
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from colorama import Fore, init |
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from config import DB_CONFIG |
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from utils import create_connection, get_file_content |
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connection = create_connection(DB_CONFIG) |
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cursor = connection.cursor() |
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query = "SELECT `key_media` FROM `base_news` WHERE `key_media` != ''" |
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cursor.execute(query) |
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keys = cursor.fetchall() |
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formatted_keys = "|".join([key[0] for key in keys]) + "|" |
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init(autoreset=True) |
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def get_dom_path(url): |
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from urllib.parse import urlparse |
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parsed_url = urlparse(url) |
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return f"{parsed_url.scheme}://{parsed_url.netloc}" |
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def process_news_source(id_source, url_source, id_media): |
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global formatted_keys |
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dom = get_dom_path(url_source) |
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cursor.execute(f"UPDATE `base_news` SET `link`='1' WHERE `id`='{id_source}' LIMIT 1") |
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connection.commit() |
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file_path = f"sources/html_news/{id_source}.txt" |
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if os.path.exists(file_path): |
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html_content = get_file_content(file_path) |
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else: |
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return |
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print(f"{id_source} {url_source} {id_media} ({len(html_content)})") |
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soup = BeautifulSoup(html_content, 'html.parser') |
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nb_add = 0 |
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for link in soup.find_all('a'): |
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url = link.get('href') |
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if url is None: |
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continue |
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url = url.split("#")[0] |
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url = url.split("?")[0] |
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if not url: |
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continue |
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if not "//" in url: |
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url = f"{dom}/{url}" if url[0] != '/' else f"{dom}{url}" |
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elif "http" not in url: |
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url = 'https:' + url |
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if not url.startswith(("http://", "https://")) or url.count(' ') or url.count('%') or url.count('\''): |
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continue |
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key = hashlib.md5(url.encode()).hexdigest() |
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nb_base_news = formatted_keys.count(f'{key}|') |
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if url.startswith(dom): |
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if nb_base_news: |
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continue |
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elif ( |
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url.count("-") > 6 and |
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not any(substring in url for substring in ['replay', 'video', 'login', '/inloggen', '?redirect', '.jpg', '.png', 'mailto']) |
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): |
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print(Fore.GREEN + url) |
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insert_query = f"INSERT INTO `base_news` (`id`, `key_media`, `media`, `url`, `step`) VALUES (NULL, '{key}', '{id_media}', '{url}', '0');" |
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cursor.execute(insert_query) |
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connection.commit() |
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formatted_keys = f'{formatted_keys}{key}|' |
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nb_add += 1 |
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else: |
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continue |
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def process(): |
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global formatted_keys |
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cursor = connection.cursor() |
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query = ("SELECT `id`, `url`, `media` FROM `base_news` WHERE `link`='0' AND `step` > 0 ORDER BY Rand() LIMIT 1000") |
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cursor.execute(query) |
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rows = cursor.fetchall() |
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if not rows: |
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print('No unprocessed news source found.') |
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for row in rows: |
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id_source, url_source, id_media = row |
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process_news_source(id_source, url_source, id_media) |
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while True: |
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process() |
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