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When you upload file with Django, the response won't be returned until the file upload has completed. If the uploaded file is large, it will take a long time, during which the user can't do anything but wait. Is there any way to implement asynchronous processing of file uploading? So, when a file is uploading backend, the user can do some other operation on the current page without interrupting the upload?
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Django has support for writing asynchronous (“async”) views, along with an entirely async-enabled request stack if you are running under ASGI. Async views will still work under WSGI, but with performance penalties, and without the ability to have efficient long-running requests.
The Django documentation for File Uploads, gives a brief understanding of the workflow of how to upload a single file using forms and importing in views. In a similar way, we can also tweak it to upload multiple files using forms and views.
An async view function in Django is detected by the annotation async def , which then runs the async view in a thread within its own event loop. This gives the benefit of being able to do and run tasks concurrently inside the async views.
Django provides built-in library and methods that help to upload a file to the server. The forms. FileField() method is used to create a file input and submit the file to the server. While working with files, make sure the HTML form tag contains enctype="multipart/form-data" property.
I am aware that it has been more that 5 years since this question was asked but I have similar problem and there are no "simple answers" on SO.
For your problem I may suggest using a progress bar (if using Django forms). Uploading a file asynchronously might not be possible in Django.
In my case the browser element is not crucial and I am considering moving the file upload from browser upload to some sort of FTP / AWS S3 file storage and working on this.
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