Automated Python script that tracks e-commerce price drops and sends instant email alerts.
Tick off requirements as you build to track real-time completion.
Follow this chronological guide to build the project from scratch.
Establish a connection to the e-commerce store and fetch raw HTML. Using custom headers prevents requests from being blocked by CDN anti-bot engines.
import requests
from bs4 import BeautifulSoup
HEADERS = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"Accept-Language": "en-US,en;q=0.9",
"Referer": "https://google.com"
}
def fetch_html(url):
try:
response = requests.get(url, headers=HEADERS, timeout=10)
response.raise_for_status()
return response.text
except requests.exceptions.RequestException as e:
print(f"Error fetching URL: {e}")
return NoneReal issues students hit during development and how to troubleshoot them fast.
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