Python flask html listing files to download

If you are not dynamically generating the file then why not use flask. Even if you were dynamically generating the best practice is to save the file to the disk and then serve it through Apache or nginx since web servers are much much more efficient at serving files than flask.

So they are not dynamically generated. KDawG I already tried to use flask. Add a comment. Active Oldest Votes. Error Improve this answer. Is used when a class is defined -- there is only a function here, and this isn't passed to the function, so its understandable that the reference to this doesn't make any sense here. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

Email Required, but never shown. The Overflow Blog. 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. Now we render this page as the main page i.

We need to specify a directory to the Flask app where the uploaded files would be stored. Above line creates a uploads folder in the same directory where the src code of the site is stored.

We should also check for file extension that the user is uploading as there would be some specific type of file that the site can process. Also there is security issue if the user can upload any type of file. 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 Your email address will not be published.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. 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.

Source Code Download.