main.py

from flask import (
    Flask,
    jsonify,
    render_template,
    request
)
import os
import subprocess
import struct

carpeta_actual = os.getcwd()
carpeta_static = carpeta_actual + "/templates/static"

app = Flask(__name__, static_folder=carpeta_static)


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


@app.route("/backpropagation", methods=['POST'])
def backpropagation():
    response = {"answer": "ERROR"}
    try:
        matrix = request.get_json()['matriz']

        with open('cmake-build-debug/matrix.bin', 'wb') as file:
            rows = len(matrix)
            columns = len(matrix[0])
            file.write(struct.pack('ii', rows, columns))
            for f in matrix:
                for element in f:
                    file.write(struct.pack('i', element))

        result = subprocess.run(
            ["./cmake-build-debug/inference"],
            text=True,
            capture_output=True
        )
        print(result)
        if result.returncode != 0:
            raise IOError("Return Code is not 0")
        else:
            response["answer"] = result.stdout
    except Exception as e:
        print(e)
        response["answer"] = "ERROR"

    return jsonify(response)


if __name__ == '__main__':
    app.run(debug=True, port=5000)