203 lines
8.1 KiB
Python
203 lines
8.1 KiB
Python
import json
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import re
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import os
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import time
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from selenium import webdriver
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from selenium.webdriver.firefox.options import Options
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from bs4 import BeautifulSoup
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from tqdm import tqdm # Progress bar
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OIL_NEWS_URL = "https://oilprice.com/Latest-Energy-News/World-News/"
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SCRAPER_DIR = os.path.dirname(os.path.dirname(__file__)) # One level up
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DATA_DIR = os.path.join(SCRAPER_DIR, "data")
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KEYWORD_FILE_PATH = os.path.join(SCRAPER_DIR, "assets", "oil_key_words.txt")
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if not os.path.exists(DATA_DIR):
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os.makedirs(DATA_DIR)
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def load_existing_data(file_path):
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if os.path.exists(file_path):
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with open(file_path, 'r', encoding='utf-8') as f:
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return json.load(f)
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return []
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def save_to_json(data, file_path):
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existing_data = load_existing_data(file_path)
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existing_links = {article['link'] for article in existing_data if 'link' in article}
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new_data = []
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for article in data:
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if 'link' not in article or article['link'] in existing_links:
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print(f"Skipping duplicate or missing link article: {article.get('headline', 'Unknown Headline')}")
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continue
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new_data.append(article)
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combined_data = existing_data + new_data
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with open(file_path, 'w', encoding='utf-8') as f:
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json.dump(combined_data, f, ensure_ascii=False, indent=4)
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print(f"Data saved to {file_path}")
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def load_keyword_importance(file_path):
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keyword_importance = {}
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if os.path.exists(file_path):
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with open(file_path, 'r', encoding='utf-8') as f:
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for line in f:
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parts = line.strip().split()
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if len(parts) == 2:
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keyword, importance = parts
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keyword_importance[keyword.lower()] = int(importance)
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else:
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print(f"Keyword file not found at {file_path}")
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return keyword_importance
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keyword_importance = load_keyword_importance(KEYWORD_FILE_PATH)
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def extract_keywords(text, keyword_importance):
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words = re.findall(r'\b\w+\b', text.lower())
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keywords = {word: keyword_importance[word] for word in words if word in keyword_importance}
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return sorted(keywords.items(), key=lambda x: x[1], reverse=True)[:10]
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def filter_content(content):
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"""Remove advertisements, irrelevant phrases, headers, and disclaimers from content."""
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patterns = [
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r'ADVERTISEMENT',
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r'Click Here for \d+\+ Global Oil Prices',
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r'Find us on:',
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r'Back to homepage',
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r'Join the discussion',
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r'More Top Reads From Oilprice.com',
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r'©OilPrice\.com.*?educational purposes',
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r'A Media Solutions.*?Oilprice.com',
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r'\"It\'s most important 8 minute read of my week…\"',
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r'^[\w\s]*?is a [\w\s]*? for Oilprice\.com.*?More Info',
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r'^.*?DNOW is a supplier.*?,',
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]
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for pattern in patterns:
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content = re.sub(pattern, '', content, flags=re.IGNORECASE)
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content = re.sub(r'\s+', ' ', content).strip()
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return content
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def extract_author_info(driver, article_soup):
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"""Extract detailed author information from the 'read more' link if available."""
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author = "Unknown Author"
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author_bio = ""
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author_tag = article_soup.find('a', text=re.compile(r'More Info|Read More', re.IGNORECASE))
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if author_tag:
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try:
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driver.get(author_tag['href'])
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# Increased wait time to handle slow-loading pages
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WebDriverWait(driver, 15).until(
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EC.presence_of_element_located((By.CLASS_NAME, "authorBio"))
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)
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bio_soup = BeautifulSoup(driver.page_source, "html.parser")
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# Primary search for author name and bio
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author_name_tag = bio_soup.find('h1')
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author_bio_tag = bio_soup.find('p')
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# Fallback if primary elements are not found
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if not author_name_tag or not author_bio_tag:
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author_name_tag = bio_soup.find('span', class_='author-name') # Hypothetical class for author name
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author_bio_tag = bio_soup.find('div', class_='bio-content') # Hypothetical class for bio content
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author = author_name_tag.get_text(strip=True) if author_name_tag else "Unknown Author"
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author_bio = author_bio_tag.get_text(strip=True) if author_bio_tag else "No bio available"
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except Exception as e:
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print(f"Author bio page failed to load or extract. Error: {e}")
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return author, author_bio
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def scrape_oil_news():
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print("Scraping oil news articles for sentiment analysis...")
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options = Options()
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options.headless = True
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driver = webdriver.Firefox(options=options)
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news_data = []
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page_number = 1
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max_pages = 1
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total_articles = 0
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while page_number <= max_pages:
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driver.get(f"{OIL_NEWS_URL}Page-{page_number}.html")
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try:
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WebDriverWait(driver, 10).until(
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EC.presence_of_element_located((By.CLASS_NAME, "categoryArticle"))
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)
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except:
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break
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soup = BeautifulSoup(driver.page_source, "html.parser")
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total_articles += len(soup.find_all('div', class_='categoryArticle'))
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page_number += 1
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page_number = 1
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with tqdm(total=total_articles, desc="Scraping articles", unit="article") as pbar:
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while page_number <= max_pages:
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print(f"\nProcessing page {page_number}...")
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driver.get(f"{OIL_NEWS_URL}Page-{page_number}.html")
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soup = BeautifulSoup(driver.page_source, "html.parser")
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articles = soup.find_all('div', class_='categoryArticle')
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if not articles:
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break
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for article in articles:
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headline = article.find('h2', class_='categoryArticle__title').get_text(strip=True) if article.find('h2', class_='categoryArticle__title') else None
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link_tag = article.find('a', href=True)
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link = link_tag['href'] if link_tag else None
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date_meta = article.find('p', class_='categoryArticle__meta')
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date = date_meta.get_text(strip=True).split('|')[0].strip() if date_meta else None
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content = ""
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if link:
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print(f"Fetching article: {link}")
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driver.get(link)
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try:
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WebDriverWait(driver, 10).until(
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EC.presence_of_element_located((By.CLASS_NAME, "singleArticle"))
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)
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article_soup = BeautifulSoup(driver.page_source, "html.parser")
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raw_content = " ".join([p.get_text(strip=True) for p in article_soup.find_all('p')])
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content = filter_content(raw_content)
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author, author_bio = extract_author_info(driver, article_soup)
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except:
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print(f"Error: Content did not load for article {headline}.")
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extracted_keywords = extract_keywords(f"{headline} {content}", keyword_importance)
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if headline and link and date:
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news_data.append({
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'headline': headline,
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'link': link,
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'content': content,
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'date': date,
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'author': author,
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'author_bio': author_bio,
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'keywords': extracted_keywords,
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})
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pbar.set_postfix_str(f"Processing article: {headline[:40]}...")
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pbar.update(1)
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page_number += 1
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time.sleep(2)
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driver.quit()
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return news_data
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def run_preprocessor():
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file_path = os.path.join(DATA_DIR, 'preprocessed_oil_news.json')
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news_data = scrape_oil_news()
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save_to_json(news_data, file_path)
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if __name__ == "__main__":
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run_preprocessor()
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