views.py

from django.shortcuts import render
from .models import Image
from .forms import ImageForm
from django.http import JsonResponse
import os, shutil
import glob
import cv2
import pytesseract

def index(request):
    form = ImageForm(request.POST or None, request.FILES or None)
    if form.is_valid():
        form.save()
        path = os.getcwd() + "/media/images/*"
    for path_to_license_plate in glob.glob(path, recursive=True):
        img = cv2.imread(path_to_license_plate)
        pytesseract.pytesseract.tesseract_cmd = r'/usr/bin/tesseract'
        predicted_result = pytesseract.image_to_string(img, lang='eng',config='--oem 3 --psm 6 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
       filter_predicted_result = "".join(predicted_result.split()).replace(":", "").replace("-", "")
       context = { 'filter_predicted_result' : filter_predicted_result }
    delete()
    return JsonResponse({'message': 'it works', 'context' : context})
   context = {'form': form}
   return render(request, 'images/index.html', context)

def delete():
    folder = os.getcwd() + '/media/images'
    for filename in os.listdir(folder):
        file_path = os.path.join(folder, filename)
    try:
        if os.path.isfile(file_path) or os.path.islink(file_path):
            os.unlink(file_path)
        elif os.path.isdir(file_path):
            shutil.rmtree(file_path)
     except Exception as e:
         print('Failed to delete %s. Reason: %s' % (file_path, e))