I have a Flask Web App with a button. When I click on the button I would like to execute a python method not a Javascript method. How can I do this? I just want it to execute the python method. I am making this for a Raspberry Pi robot car. When I press the forward button, I want it to run the method to Turn wheels forward. I have seen similar questions to mine on Stackoverflow, but they don't seem to answer my question or I am unable to understand the answer.
If someone could please provide me a simple way to call a Python method on button click event, it would be greatly appreciated. You can simply do this with help of AJAX Here is a example which calls a python function which prints hello without redirecting or refreshing the page. Here when you press the button Test simple in the console you can see "Hello" is displaying without any refreshing. It sounds like you want to use this web application as a remote control for your robot, and a core issue is that you won't want a page reload every time you perform an action, in which case, the last link you posted answers your problem.
I think you may be misunderstanding a few things about Flask. For one, you can't nest multiple functions in a single route. You're not making a set of functions available for a particular route, you're defining the one specific thing the server will do when that route is called. August 7, July 31, July 17, May 28, November 14, July 20, December 2, June 23, This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.
Accept Read More. Unit tests in Django. How to use Lambda in Python. Illegal start of expression in Java. Socket Programming in Python. Django authentication with LinkedIn. Django authentication with Twitter. How to create a password generator using Python. Django authentication with GitHub. Django Authentication with Facebook. Home Python How to upload and download files using Flask. Table of Contents. Share 0 Facebook Twitter Pinterest Email.
You may also like. How to use Lambda in Python November 2, Socket Programming in Python November 1, How to create a password generator using Python October 30, Notice in the above template file I am using Flask EL Expression language to evaluate the link endpoint. Now navigate to the project root directory from command line tool and execute the command python main.
If you want to change the port then you can change the line app. Any way to clear the cache from Flask? Your email address will not be published.
Roy Tutorials Technical… Theoretical… Practical…. Introduction Here I am going to show a simple example on how to download a file from web application using Python Flask. Prerequisites Python 3. Project Directory First step is to create a project root directory under which I will put all the required files for the project. I see. The Overflow Blog. Podcast Who is building clouds for the independent developer?
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