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WebScraper Pro
This video demonstrates how to use the WebScraper Pro template.
import logging
import os
import requests
logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO)
def fetch_webpage(url):
try:
response = requests.get(url)
response.raise_for_status()
return response.text
except requests.RequestException as e:
logger.error(f"Error fetching webpage: {e}")
return None
def main():
url = "https://example.com"
logger.info(f"Fetching content from {url}")
content = fetch_webpage(url)
if content:
logger.info("Webpage content:")
print(content)
else:Created: | Last Updated:
Here's a step-by-step guide on how to use the WebScraper Pro template:
Introduction to the WebScraper Pro Template
The WebScraper Pro template is a simple web scraping tool that fetches and displays HTML content from a specified URL. This template is ideal for developers who need to quickly retrieve web page content for analysis or further processing.
Getting Started
To begin using the WebScraper Pro template, follow these steps:
-
Click "Start with this Template" to load the template into your Lazy Builder interface.
-
Review the pre-populated code in the main.py file. You'll see that it includes a function to fetch webpage content and a main function to execute the scraping process.
Testing the App
To test the WebScraper Pro app:
- Click the "Test" button in the Lazy Builder interface.
- The Lazy CLI will appear, and the app will start running.
Entering Input
After pressing the "Test" button, you'll be prompted to provide input through the Lazy CLI:
- When prompted, enter the URL of the webpage you want to scrape.
For example:
https://example.com
Using the App
Once you've entered the URL, the app will:
- Attempt to fetch the content from the specified URL.
- If successful, it will display the HTML content of the webpage in the console.
- If unsuccessful, it will show an error message indicating that it failed to fetch the webpage content.
Customizing the App
To customize the WebScraper Pro for your specific needs:
- Modify the
urlvariable in themain()function if you want to set a default URL. - Add additional processing logic in the
main()function to parse or analyze the fetched content.
For example, you could add HTML parsing to extract specific elements:
```python from bs4 import BeautifulSoup
def main(): url = input("Enter the URL to scrape: ") logger.info(f"Fetching content from {url}") content = fetch_webpage(url) if content: soup = BeautifulSoup(content, 'html.parser') title = soup.title.string if soup.title else "No title found" logger.info(f"Page title: {title}") else: logger.info("Failed to fetch webpage content") ```
Remember to add beautifulsoup4 to your requirements.txt file if you implement this change.
By following these steps, you can effectively use and customize the WebScraper Pro template to fetch and process web content according to your needs.
