![flask file upload example flask file upload example](https://i.stack.imgur.com/4xzO8.png)
Let the HTML page be index.htmlįrom flask import Flask, request, redirect, url_for, render_template, send_from_directory from werkzeug.utils import secure_filename app. We will create a simple HTML page that provides a button to select file and another button to upload that file.
FLASK FILE UPLOAD EXAMPLE PDF
For that we need to get user file, process (remove watermark from pdf file) and provide processed file to user for download. We will be creating back-end to remove watermark from pdf files.
FLASK FILE UPLOAD EXAMPLE HOW TO
FLASK FILE UPLOAD EXAMPLE DOWNLOAD
![flask file upload example flask file upload example](https://i.stack.imgur.com/HIDXY.jpg)
config = def allowed_image ( filename ): if not "." in filename : return False ext = filename. To mitigate any damage our application might receive from a malicius actor or user error, we should consider the following:Įnsuring the file has a filename is a simple fix:įrom flask import request, redirect from werkzeug.utils import secure_filename import os app. Securing file uploadsĪt this point, a user could upload any kind of file of any filesize, which is dangerous. Save the file and upload an image to see it in action. We use image.filename to access the filename of the image and join that with the path to the uploads folder with os.join(). filename )) print ( "Image saved" ) return redirect ( request. config = "/mnt/c/wsl/projects/pythonise/tutorials/flask_series/app/app/static/img/uploads". We'll also go ahead and import redirect too.įrom flask import request, redirect import os app. To access a file being posted by a fowm, we use request.files provided by the request object. Now that we have our form and file browser, we can move on to handling the upload in our route.
![flask file upload example flask file upload example](https://1.bp.blogspot.com/-nsWaLveKlNA/X_-NNQ8ZkBI/AAAAAAAAXGY/0b4ztCnF_nwAQxC2oZdz33ZhsJMGenjagCLcBGAsYHQ/s1293/flask_upload_multiple_images_usingmysql.jpg)
Tip - When uploading images via a form with Flask, you must add the enctype attribute to the form with the value multipart/form-data We've created a new child template containing a form with a single input, a file browser.