POST request to flask server for automated testing. 400 Bad Request, KeyError 'files'

Question

I am trying to create an endpoint called /automated_testing. This endpoint will receive an automated POST request which will be a .txt file which contains some strings. I want to read those strings and perform some operations on it.

I am getting error :

raise exceptions.BadRequestKeyError(key) werkzeug.exceptions.BadRequestKeyError: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand. KeyError: 'files'

I am using the below code to send a request which I trigger from separate script.

import requests

with open('test.txt', 'rb') as f:
    r = requests.post('http://127.0.0.1:5000/automated_testing', files={'test.txt': f})

Code for the flask server

@app.route('/automated_testing', methods=['GET','POST'])
def getfile():
    if request.method == 'POST':
        file = request.files['files']
        a = ""
        with open(file,'r') as f:
            file_content = f.read()
            a+=file_content
        return a    
    else:
        return "GET REQ"

    return "Hi"

Content of test.txt

Hi
hello

I get that the error indicates ['files'] but I am not able to resolve the problem. Is the way I am sending the post request wrong or the flask server?

Answer 1

Try

 file = request.files['text.txt']

or iterate over all sent files:

    for file in request.files:
        #do_stuff