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webscraper.py
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webscraper.py
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import requests
from bs4 import BeautifulSoup
import pymongo
# MongoDB configuration
MONGODB_URI = "mongodb://localhost:27017/news_database"
DB_NAME = "news_database"
COLLECTION_NAME = "headlines"
# List of news websites to scrape
websites = [
{'name': 'ZeroHedge', 'url': 'https://www.zerohedge.com/', 'headline_tag': 'h2'},
{'name': 'The Guardian', 'url': 'https://www.theguardian.com/international', 'headline_tag': 'h3'},
]
# Function to connect to MongoDB
def connect_to_mongodb():
try:
client = pymongo.MongoClient(MONGODB_URI)
db = client[DB_NAME]
collection = db[COLLECTION_NAME]
return collection
except pymongo.errors.ConnectionFailure as e:
print(f"Failed to connect to MongoDB: {e}")
raise
# Function to scrape headlines from a given website URL and store in MongoDB
def scrape_headlines(website):
print(f"Scraping headlines from {website['name']}...")
try:
response = requests.get(website['url'])
response.raise_for_status() # Raise HTTPError for bad status codes
soup = BeautifulSoup(response.content, 'html.parser')
headlines = [headline.text.strip() for headline in soup.find_all(website['headline_tag'])]
collection = connect_to_mongodb()
for headline_text in headlines:
existing_headline = collection.find_one({'headline_text': headline_text})
if existing_headline is None:
headline_data = {
'website': website['name'],
'headline_text': headline_text
}
collection.insert_one(headline_data)
print(f"Inserted headline: {headline_text}")
else:
print(f"Duplicate headline found: {headline_text}. Skipping...")
print(f"Stored {len(headlines)} headlines from {website['name']} in MongoDB.")
except (requests.exceptions.RequestException, pymongo.errors.PyMongoError) as e:
print(f"Error while scraping {website['name']}: {e}")
# Scrape headlines from each website in the list
for site in websites:
scrape_headlines(site)
print() # Add a blank line for readability between websites
# mongod --dbpath ./data
# /usr/local/bin/python3 webscraper.py