Tornado Python
In Python, “tornado” refers to a popular web framework that allows you to build scalable and non-blocking web applications. It is designed to handle a large number of concurrent connections efficiently and is particularly suitable for real-time web applications and web services that require high performance.
Tornado is often used for applications that need low latency and high throughput, such as long polling, WebSockets, chat applications, real-time analytics, and more.
To get started with Tornado, you need to install the package. You can do this using pip, Python’s package manager:
pip install tornado
Once you have installed Tornado, you can create a basic web application using its simple API. Here’s a simple example of a Tornado web server that listens on port 8888 and displays “Hello, World!” in the browser:
import tornado.ioloop
import tornado.web
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write("Hello, World!")
def make_app():
return tornado.web.Application([(r"/", MainHandler)])
if __name__ == "__main__":
app = make_app()
app.listen(8888)
tornado.ioloop.IOLoop.current().start()
In this example, we import the necessary modules from Tornado and create a simple MainHandler class that handles HTTP GET requests on the root path (“/”). When a request is made to the root path, it responds with “Hello, World!”
To run this server, save the code into a file (e.g., app.py) and then run it with Python:
python app.py
Now, if you open your web browser and go to http://localhost:8888, you should see “Hello, World!” displayed.
Keep in mind that this is just a basic example, and Tornado has many more features to explore. It supports asynchronous request handling, templates, authentication, and more. You can find more information and documentation on the Tornado website: https://www.tornadoweb.org/en/stable/
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