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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>Sepal Length Predictor V2</title> |
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<style> |
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body { |
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font-family: sans-serif; |
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display: flex; |
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flex-direction: column; |
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align-items: center; |
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margin-top: 50px; |
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background-color: #f4f4f9; |
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} |
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.container { |
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background-color: #fff; |
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padding: 30px; |
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border-radius: 8px; |
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box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); |
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text-align: center; |
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} |
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h1 { |
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color: #333; |
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margin-bottom: 20px; |
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} |
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label { |
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font-size: 1.1em; |
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margin-right: 10px; |
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color: #555; |
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} |
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input[type="number"] { |
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padding: 10px; |
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border: 1px solid #ddd; |
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border-radius: 4px; |
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font-size: 1em; |
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width: 100px; |
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margin-bottom: 20px; |
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} |
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button { |
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padding: 10px 20px; |
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font-size: 1em; |
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color: #fff; |
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background-color: #007bff; |
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border: none; |
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border-radius: 4px; |
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cursor: pointer; |
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transition: background-color 0.3s ease; |
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} |
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button:hover { |
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background-color: #0056b3; |
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} |
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#predictionResult { |
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margin-top: 20px; |
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font-size: 1.2em; |
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color: #333; |
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min-height: 30px; |
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} |
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.error { |
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color: red; |
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} |
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</style> |
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</head> |
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<body> |
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<div class="container"> |
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<h1>Iris Flower Prediction V1</h1> |
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<div> |
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<label for="sepalLength">Sepal Length (cm):</label> |
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<input type="number" id="sepalLength" name="sepalLength" step="0.1" placeholder="e.g., 5.1" required> |
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</div> |
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<button onclick="predictSepalLength()">Predict</button> |
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<div id="predictionResult"></div> |
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</div> |
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<script> |
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async function predictSepalLength() { |
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const sepalLengthInput = document.getElementById('sepalLength'); |
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const predictionResultDiv = document.getElementById('predictionResult'); |
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predictionResultDiv.textContent = ''; |
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predictionResultDiv.classList.remove('error'); |
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const sepalLength = parseFloat(sepalLengthInput.value); |
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if (isNaN(sepalLength) || sepalLength <= 0) { |
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predictionResultDiv.textContent = 'Please enter a valid positive number for sepal length.'; |
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predictionResultDiv.classList.add('error'); |
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return; |
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} |
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const data = { |
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sepal_length: sepalLength |
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}; |
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try { |
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const response = await fetch('/predict', { |
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method: 'POST', |
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headers: { |
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'Content-Type': 'application/json' |
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}, |
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body: JSON.stringify(data) |
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}); |
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if (!response.ok) { |
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const errorData = await response.json().catch(() => ({ detail: 'Unknown server error or non-JSON error response' })); |
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let errorMessage = `HTTP error! status: ${response.status}`; |
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if (errorData && errorData.detail) { |
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if (Array.isArray(errorData.detail)) { |
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errorMessage += errorData.detail.map(err => ` ${err.loc[1]}: ${err.msg}`).join(';'); |
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} else { |
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errorMessage += `: ${errorData.detail}`; |
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} |
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} else if (response.statusText) { |
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errorMessage += `: ${response.statusText}`; |
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} |
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throw new Error(errorMessage); |
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} |
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const result = await response.json(); |
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if (result && result.prediction !== undefined) { |
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predictionResultDiv.textContent = 'Prediction: ' + result.prediction; |
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} else { |
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console.log('Unexpected response format:', result); |
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predictionResultDiv.textContent = 'Received an unexpected response format from the server.'; |
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predictionResultDiv.classList.add('error'); |
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} |
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} catch (error) { |
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console.error('Error:', error); |
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predictionResultDiv.textContent = 'Error: ' + error.message; |
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predictionResultDiv.classList.add('error'); |
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} |
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} |
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</script> |
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</body> |
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</html> |
