How to return files to download using flask

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.

Configuring Flask Create the below app. UI Template Now create a download. Testing the Application Now navigate to the project root directory from command line tool and execute the command python main.

If two or multiple files are uploaded at the same hour the same directory would be used. It reads the necessary Startup parameters like. To Stop the Running Server use the following command [ Kills all locally running Flask run processes ]. Follow us on Facebook or Twitter For more practical videos and tutorials. Show your Support! Some examples are :. We will be creating back-end to remove watermark from pdf files.

For that we need to get user file, process remove watermark from pdf file and provide processed file to user for download. We will create a simple HTML page that provides a button to select file and another button to upload that file. Let the HTML page be index.

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How to create a server using NodeJS July 31, Web Development. I've tried to return a tuple of both responses, but it doesn't work. How can I serve the download and the page? Is Flask capable of handling such a scenario? Seems like a commonplace problem, I simply want to send a file back for download, then render the page.

You cannot return multiple responses to a single request. Instead, generate and store the files somewhere, and serve them with another route. Return your rendered template with a url for the route to serve the file. I was just looking for something easiers so here the solution for people who look for something even simpler:.