7- File Uploading in Flask

Uploading files in Flask is very simple.

Start with creating upload.html file using "enctype=multipart/form-data":

<html>
    <body>

        <form action = "http://localhost:5000/uploader" method = "POST"
            enctype = "multipart/form-data">
            <input type = "file" name = "file" />
            <input type = 'submit'/>
        </form>
    </body>
</html>

Now create upload.py file using "GET" and "POST" methods and return "Upload succeeded":

from flask import Flask, render_template, request
from werkzeug.utils import secure_filename
app = Flask(__name__)


@app.route('/upload')
def upload():
    return render_template('upload.html')

@app.route('/uploader', methods=["GET", "POST"])
def uploader():
    if request.method == 'POST':
        f = request.files['file']
        f.save(secure_filename(f.filename))
        return ‘Upload succeeded.’
    else:
        return render_template('upload.html')

if __name__ == "__main__":
    app.run(debug=True)

Execute the Python script with:

python upload.py

In your web brother go to:

http://localhost:5000/uploader

The following page should be opened:

Click on “Choose file” to select your file.

Then click on the “Submit” button.

You should see: “Upload succeeded”

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SmartRS

SmartRS

7- File Uploading in Flask