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add grid_debug endpoint, previews, try/except to avoid errors

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Mathieu Broillet
2024-08-04 12:31:51 +02:00
parent 6976f690ff
commit 0d7351d651
2 changed files with 378 additions and 133 deletions
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338
templates/index.html
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@@ -2,7 +2,7 @@
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta content="width=device-width, initial-scale=1.0" name="viewport">
<title>Easy Local ALPR - API</title>
<script src="https://cdn.tailwindcss.com"></script>
<!-- Include Google Sans font -->
@@ -14,144 +14,266 @@
background-size: 20px 20px;
font-family: 'Google Sans', sans-serif;
}
.loading-circle {
border: 4px solid rgba(0, 0, 0, 0.1);
border-left-color: #000;
border-radius: 50%;
width: 24px;
height: 24px;
animation: spin 1s linear infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
input[type="text"], input[type="number"] {
background-color: white;
color: black;
}
input[type="text"].dark, input[type="number"].dark {
background-color: #3b3b3b;
color: white;
}
</style>
</head>
<body class="bg-neutral-100 dark:bg-neutral-900 dark:text-white flex items-center justify-center min-h-screen p-4">
<!-- Logo -->
<div class="absolute top-4 left-4 z-50">
<img id="logo" src="{{ url_for('static', filename='logo_black.webp') }}" alt="Logo" class="h-12 dark:hidden">
<img id="logoDark" src="{{ url_for('static', filename='logo_white.webp') }}" alt="Logo" class="h-12 hidden dark:block">
</div>
<!-- Logo -->
<div class="absolute top-4 left-4 z-50">
<img alt="Logo" class="h-12 dark:hidden" id="logo" src="{{ url_for('static', filename='logo_black.webp') }}">
<img alt="Logo" class="h-12 hidden dark:block" id="logoDark"
src="{{ url_for('static', filename='logo_white.webp') }}">
</div>
<div class="bg-white dark:bg-neutral-800 p-6 rounded-lg shadow-lg w-full max-w-md mt-16">
<h1 class="text-2xl font-bold mb-4 text-center dark:text-gray-200">Upload Image for ALPR</h1>
<form id="uploadForm" enctype="multipart/form-data" class="space-y-4">
<div class="bg-white dark:bg-neutral-800 p-6 rounded-lg shadow-lg w-full max-w-md mt-16">
<h1 class="text-2xl font-bold mb-4 text-center dark:text-gray-200">Select Service</h1>
<form class="space-y-4" id="serviceForm">
<div>
<label class="block text-sm font-medium text-gray-700 dark:text-gray-300" for="service">Choose a
service:</label>
<select class="mt-1 block w-full py-2 px-3 border border-gray-300 bg-white dark:bg-neutral-800 dark:border-neutral-700 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
id="service" name="service" onchange="updateFormFields()">
<option value="alpr">Plate Recognition (ALPR)</option>
<option value="alpr_grid_debug">Grid Size Helper</option>
</select>
</div>
<!-- Plate Recognition (ALPR) Fields -->
<div class="service-fields hidden" id="alprFields">
<div>
<label for="upload" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Choose an image:</label>
<label for="upload_alpr" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Choose an
image:</label>
<div class="mt-1 flex items-center">
<input type="file" id="upload" name="upload" accept="image/*" class="hidden" onchange="updateFileName()">
<label for="upload" class="cursor-pointer inline-flex items-center justify-center px-4 py-2 border border-gray-400 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-300 bg-white dark:bg-neutral-800 hover:bg-neutral-50 dark:hover:bg-neutral-600">
<input type="file" id="upload_alpr" name="upload" accept="image/*" class="hidden"
onchange="updateFileName();">
<label for="upload_alpr"
class="cursor-pointer inline-flex items-center justify-center px-4 py-2 border border-gray-400 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-300 bg-white dark:bg-neutral-800 hover:bg-neutral-50 dark:hover:bg-neutral-600">
Select file
</label>
<span id="fileName" class="ml-2 text-sm text-gray-600 dark:text-gray-300"></span>
<span id="fileName_alpr" class="ml-2 text-sm text-gray-600 dark:text-gray-300"></span>
</div>
</div>
<div>
<label for="grid_size" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Grid Size:</label>
<input type="number" id="grid_size" name="grid_size" value="3" class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark">
<label for="grid_size_alpr" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Grid
Size:</label>
<input type="number" id="grid_size_alpr" name="grid_size" value="3"
class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark dark:bg-neutral-800 dark:border-neutral-700">
</div>
<div>
<label for="wanted_cells" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Wanted Cells:</label>
<input type="text" id="wanted_cells" name="wanted_cells" class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark">
<label for="wanted_cells_alpr" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Wanted
Cells:</label>
<input type="text" id="wanted_cells_alpr" name="wanted_cells" value=""
class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark dark:bg-neutral-800 dark:border-neutral-700">
</div>
<div id="imagePreview" class="mt-4 hidden">
<img id="previewImage" src="#" alt="Preview" class="max-w-full h-auto rounded-lg">
</div>
<button id="submitButton" type="submit" class="w-full py-2 px-4 bg-black text-white font-semibold rounded-md shadow-sm hover:bg-neutral-900 dark:bg-neutral-900 dark:hover:bg-neutral-950 relative flex justify-center items-center">
<span>Upload</span>
<div id="loadingCircle" class="loading-circle absolute hidden"></div>
</button>
</form>
<div class="mt-6">
<h2 class="text-xl font-semibold mb-2 dark:text-gray-200">Response</h2>
<pre id="responseBox" class="bg-neutral-100 dark:bg-neutral-900 p-4 border rounded-lg text-sm text-gray-900 dark:text-gray-200 overflow-x-auto"></pre>
<!-- Hidden field to show plate image from the response in webui -->
<input id="plate_image_alpr" name="plate_image_alpr" type="hidden" value="true">
</div>
<! -- Grid Size Helper Fields -->
<div class="service-fields hidden" id="alpr_grid_debugFields">
<div>
<label for="upload_alpr_grid_debug" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Choose
an
image:</label>
<div class="mt-1 flex items-center">
<input type="file" id="upload_alpr_grid_debug" name="upload" accept="image/*" class="hidden"
onchange="updateFileName();">
<label for="upload_alpr_grid_debug"
class="cursor-pointer inline-flex items-center justify-center px-4 py-2 border border-gray-400 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-300 bg-white dark:bg-neutral-800 hover:bg-neutral-50 dark:hover:bg-neutral-600">
Select file
</label>
<span id="fileName_alpr_grid_debug" class="ml-2 text-sm text-gray-600 dark:text-gray-300"></span>
</div>
</div>
<div>
<label for="grid_size_alpr_grid_debug"
class="block text-sm font-medium text-gray-700 dark:text-gray-300">Grid
Size:</label>
<input type="number" id="grid_size_alpr_grid_debug" name="grid_size" value="3"
class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark dark:bg-neutral-800 dark:border-neutral-700">
</div>
<div>
<label for="wanted_cells_alpr_grid_debug"
class="block text-sm font-medium text-gray-700 dark:text-gray-300">Wanted
Cells:</label>
<input type="text" id="wanted_cells_alpr_grid_debug" name="wanted_cells" value=""
class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm dark dark:bg-neutral-800 dark:border-neutral-700">
</div>
</div>
<div id="imagePreview" class="mt-4 hidden">
<label id="imagePreviewLabel"
class="block text sm font-medium text-gray-700 dark:text-gray-300">Preview:</label>
<img id="previewImage" src="#" alt="Preview" class="max-w-full h-auto rounded-lg">
</div>
<button class="w-full py-2 px-4 bg-black text-white font-semibold rounded-md shadow-sm hover:bg-neutral-900 dark:bg-neutral-900 dark:hover:bg-neutral-950"
id="submitButton"
type="submit">
Submit
</button>
</form>
<div class="mt-6">
<h2 class="text-xl font-semibold mb-2 dark:text-gray-200">
Response
<span class="text-sm font-normal" id="timer"></span>
</h2>
<pre class="bg-neutral-100 dark:bg-neutral-900 p-4 border rounded-lg text-sm text-gray-900 dark:text-gray-200 overflow-x-auto"
id="responseBox"></pre>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
function updateFileName() {
var input = document.getElementById('upload');
var fileName = document.getElementById('fileName');
var imagePreview = document.getElementById('imagePreview');
var previewImage = document.getElementById('previewImage');
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
function updateFormFields() {
var service = document.getElementById('service').value;
fileName.textContent = input.files[0] ? input.files[0].name : '';
localStorage.setItem('selectedService', service); // Save the selected service
if (input.files && input.files[0]) {
var reader = new FileReader();
elementsIdToEmpty = ['responseBox', 'timer', 'fileName_' + service, 'previewImage', 'imagePreview', 'upload_' + service];
elementsIdToEmpty.forEach(element => {
element = document.getElementById(element);
console.log(element.tagName);
reader.onload = function (e) {
previewImage.src = e.target.result;
imagePreview.classList.remove('hidden');
}
reader.readAsDataURL(input.files[0]);
switch (element.tagName) {
case 'DIV':
element.classList.add('hidden');
break;
case 'INPUT':
element.value = '';
break;
case 'SPAN': // fallthrough
case 'PRE':
element.textContent = '';
break;
case 'IMG':
element.src = '';
break;
}
});
var allServicesFields = document.getElementById('serviceForm').querySelectorAll('.service-fields');
allServicesFields.forEach(field => {
field.classList.add('hidden');
field.querySelectorAll('input, select').forEach(field => field.disabled = true);
});
var selectedServiceFields = document.getElementById(service + 'Fields');
selectedServiceFields.classList.remove('hidden');
selectedServiceFields.querySelectorAll('input, select').forEach(field => field.disabled = false);
}
function initializeForm() {
var savedService = localStorage.getItem('selectedService');
if (savedService) {
document.getElementById('service').value = savedService;
updateFormFields();
}
}
const prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
function toggleLogo() {
const logo = document.getElementById('logo');
const logoDark = document.getElementById('logoDark');
const upload = document.getElementById('upload');
const gridSize = document.getElementById('grid_size');
const wantedCells = document.getElementById('wanted_cells');
const prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
if (prefersDarkScheme.matches) {
logo.style.display = 'none';
logoDark.style.display = 'block';
upload.classList.add('dark');
gridSize.classList.add('dark');
wantedCells.classList.add('dark');
} else {
logo.style.display = 'block';
logoDark.style.display = 'none';
upload.classList.remove('dark');
gridSize.classList.remove('dark');
wantedCells.classList.remove('dark');
function toggleLogo() {
const logo = document.getElementById('logo');
const logoDark = document.getElementById('logoDark');
if (prefersDarkScheme.matches) {
logo.style.display = 'none';
logoDark.style.display = 'block';
} else {
logo.style.display = 'block';
logoDark.style.display = 'none';
}
}
toggleLogo();
prefersDarkScheme.addEventListener('change', toggleLogo);
function updateFileName() {
var service = document.getElementById('service').value;
var input = document.getElementById('upload_' + service);
var fileName = document.getElementById('fileName' + '_' + service);
var imagePreview = document.getElementById('imagePreview');
var previewImage = document.getElementById('previewImage');
var imagePreviewLabel = document.getElementById('imagePreviewLabel');
fileName.textContent = input.files[0] ? input.files[0].name : '';
imagePreviewLabel.textContent = 'Preview:';
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function (e) {
previewImage.src = e.target.result;
imagePreview.classList.remove('hidden');
}
reader.readAsDataURL(input.files[0]);
}
}
toggleLogo();
prefersDarkScheme.addEventListener('change', toggleLogo);
$(document).ready(function () {
$('#uploadForm').on('submit', function (e) {
e.preventDefault();
var formData = new FormData(this);
$('#submitButton').prop('disabled', true);
$('#loadingCircle').removeClass('hidden');
$(document).ready(function () {
initializeForm(); // Initialize the form on page load
$.ajax({
url: '/v1/image/alpr',
type: 'POST',
data: formData,
processData: false,
contentType: false,
success: function (data) {
$('#responseBox').text(JSON.stringify(data, null, 2));
},
error: function (xhr, status, error) {
var err = JSON.parse(xhr.responseText);
$('#responseBox').text(JSON.stringify(err, null, 2));
},
complete: function () {
$('#submitButton').prop('disabled', false);
$('#loadingCircle').addClass('hidden');
$('#serviceForm').on('submit', function (e) {
e.preventDefault();
var service = $('#service').val();
var formData = new FormData(this);
var url;
if (service === 'alpr') {
url = '/v1/image/alpr';
type = 'POST';
} else if (service === 'alpr_grid_debug') {
url = '/v1/image/alpr_grid_debug';
type = 'POST';
}
var $submitButton = $('#submitButton');
$submitButton.prop('disabled', true);
$submitButton.html('<svg class="animate-spin h-5 w-5 text-white mx-auto" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle><path class="opacity-75" fill="currentColor" d="M12 2a10 10 0 00-8 4.9l1.5 1A8 8 0 0112 4V2z"></path></svg>');
var startTime = Date.now();
$.ajax({
url: url,
type: type,
data: formData,
processData: false,
contentType: false,
success: function (data) {
var endTime = Date.now();
var elapsedTime = endTime - startTime;
$('#responseBox').text(JSON.stringify(data, null, 2));
$('#timer').text(`(${elapsedTime} ms)`);
$submitButton.prop('disabled', false);
$submitButton.text('Submit');
if (data.image) {
$('#previewImage').attr('src', data.image);
$('#imagePreview').removeClass('hidden');
if (service === 'alpr') {
$('#imagePreviewLabel')[0].textContent = 'Identified plate image:';
}
} else {
updateFileName();
}
});
},
error: function (xhr, status, error) {
var endTime = Date.now();
var elapsedTime = endTime - startTime;
var err = JSON.parse(xhr.responseText);
$('#responseBox').text(JSON.stringify(err, null, 2));
$('#timer').text(`(${elapsedTime} ms)`);
$submitButton.prop('disabled', false);
$submitButton.text('Submit');
}
});
});
</script>
});
</script>
</body>
</html>