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Create Selenium Framework or Project
This video demonstrates how to use the Create Selenium Framework or Project template.
import logging
import uvicorn
from fastapi import FastAPI
from fastapi.responses import HTMLResponse
from fastapi.templating import Jinja2Templates
from selenium_utils import SeleniumUtility
URL_TO_FETCH = "https://www.example.com"
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
app = FastAPI()
templates = Jinja2Templates(directory="templates")
@app.get("/", response_class=HTMLResponse)
async def page_information():
selenium_util = SeleniumUtility()
title = (
selenium_util.get_page_title(URL_TO_FETCH) or "Failed to retrieve page title"
)
return templates.TemplateResponse("page_information.html", {"page_title": title})Frequently Asked Questions
What are some business applications for this Selenium App template?
The Selenium App template is versatile and can be used for various business applications, including: - Web scraping and data extraction from dynamic websites - Automated quality assurance testing for web applications - Monitoring competitor websites for price changes or new product releases - Automating repetitive tasks on web-based systems - Creating custom reports by aggregating data from multiple web sources
How can this Selenium App template improve efficiency in a business setting?
This template can significantly improve efficiency by: - Reducing manual labor for repetitive web-based tasks - Enabling faster and more frequent testing of web applications - Providing real-time monitoring of important web metrics - Allowing for scalable data collection from multiple sources - Minimizing human error in data collection and analysis processes
What industries could benefit most from using this Selenium App template?
The Selenium App template can be particularly beneficial for: - E-commerce: price monitoring, competitor analysis, and inventory tracking - Finance: automated trading, market data collection, and financial reporting - Marketing: social media monitoring, SEO analysis, and content aggregation - Healthcare: patient data management and medical research data collection - Travel: flight and hotel price tracking, availability monitoring
How can I modify the Selenium App template to scrape multiple pages?
To scrape multiple pages, you can modify the SeleniumUtility class in selenium_utils.py. Here's an example of how to add a method for multi-page scraping:
python
def scrape_multiple_pages(self, urls):
results = []
for url in urls:
try:
self.open_url(url)
title = self.get_current_page_title()
# Add more scraping logic here
results.append({"url": url, "title": title})
except Exception as e:
logger.error(f"Failed to scrape {url}: {e}")
self.close()
return results
Then, in main.py, you can use this method like this:
python
@app.get("/scrape-multiple", response_class=HTMLResponse)
async def scrape_multiple_pages():
selenium_util = SeleniumUtility()
urls = ["https://example1.com", "https://example2.com", "https://example3.com"]
results = selenium_util.scrape_multiple_pages(urls)
return templates.TemplateResponse("multiple_pages.html", {"results": results})
How can I add custom wait conditions in the Selenium App template?
You can add custom wait conditions by using Selenium's WebDriverWait in the SeleniumUtility class. Here's an example of how to implement a method with a custom wait condition:
```python from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By
class SeleniumUtility: # ... existing code ...
def wait_for_element(self, selector, timeout=10):
try:
element = WebDriverWait(self.driver, timeout).until(
EC.presence_of_element_located((By.CSS_SELECTOR, selector))
)
return element
except Exception as e:
logger.error(f"Element not found: {selector}. Error: {e}")
return None
```
You can then use this method in your scraping logic to wait for specific elements before interacting with them or extracting data.
Created: | Last Updated:
Introduction to the SeleniumApp Template
Welcome to the SeleniumApp template guide! This template is designed to help you build applications that require web automation, such as end-to-end tests, functional tests, or web crawling with sophisticated interactions like clicks and element retrieval. The SeleniumApp template uses Selenium for browser automation, FastAPI for creating a web server, and Jinja2 for templating HTML responses.
Getting Started
To begin using this template, simply click on "Start with this Template" in the Lazy Builder interface. This will pre-populate the code in your workspace, so you won't need to copy or paste any code manually.
Test: Deploying the App
Once you have the template ready, press the "Test" button to start the deployment process. The Lazy platform will handle the deployment, and you won't need to worry about installing libraries or setting up the environment.
Entering Input
After pressing the "Test" button, if the app requires any user input, the Lazy CLI will prompt you to provide it. For this template, there is no user input required through the CLI, so you can proceed to the next step.
Using the App
After deployment, Lazy will provide you with a dedicated server link to access your app. Since this template uses FastAPI, you will also receive a link to the FastAPI documentation, which can be useful for understanding how to interact with your API.
To view the page title fetched by Selenium, simply navigate to the server link provided by Lazy. You will see a simple HTML page rendered with the title of the page you fetched using Selenium.
Integrating the App
If you need to integrate this app into another service or frontend, you can use the server link provided by Lazy as the base URL for your API calls. For example, if you want to fetch the page title from a different frontend, you can make a GET request to the "/" endpoint of your server link.
Here's a sample code snippet that you could use in an external tool to make a request to your FastAPI server:
fetch('YOUR_LAZY_SERVER_LINK/')
.then(response => response.text())
.then(html => {
// Process the HTML response here
console.log(html);
})
.catch(error => console.error('Error fetching page title:', error));
Replace 'YOUR_LAZY_SERVER_LINK' with the actual server link provided by Lazy.
And that's it! You've successfully deployed and integrated an app using the SeleniumApp template on Lazy. Enjoy automating the web!
Template Benefits
-
Automated Web Testing: This template provides a robust foundation for creating automated web tests, enabling businesses to efficiently validate their web applications across different browsers and scenarios, reducing manual testing efforts and improving overall software quality.
-
Web Scraping and Data Extraction: The integration of Selenium allows for sophisticated web scraping capabilities, enabling businesses to extract valuable data from complex websites that require user interaction, login processes, or dynamic content loading.
-
Process Automation: Companies can leverage this template to automate repetitive web-based tasks, such as form filling, data entry, or report generation, leading to increased productivity and reduced human error in business operations.
-
Continuous Integration and Deployment: The template can be easily integrated into CI/CD pipelines, allowing businesses to implement automated testing as part of their development workflow, ensuring faster release cycles and improved software reliability.
-
Cross-browser Compatibility Testing: With Selenium's multi-browser support, this template enables businesses to efficiently test their web applications across different browsers and versions, ensuring a consistent user experience and broader market reach.
Technologies
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