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Add Flask app with Tesseract OCR, dark UI, clipboard paste support

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Image-to-Text Agent
2026-04-08 22:57:20 +03:00
parent c7bc131b0a
commit e9be764991
5 changed files with 199 additions and 2 deletions
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Dockerfile Normal file
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FROM python:3.11-slim
RUN apt-get update && apt-get install -y \
tesseract-ocr \
tesseract-ocr-rus \
tesseract-ocr-eng \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY app.py .
COPY templates/ ./templates/
EXPOSE 8118
CMD ["python", "app.py"]

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# image-to-text

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from flask import Flask, request, render_template, flash
from PIL import Image
import pytesseract
import io
app = Flask(__name__)
app.secret_key = 'secret-key-change-in-production'
pytesseract.pytesseract.tesseract_cmd = '/usr/bin/tesseract'
@app.route('/', methods=['GET', 'POST'])
def index():
text = ''
lang = request.form.get('lang', 'eng+rus')
if request.method == 'POST':
file = request.files.get('image')
if file:
try:
img = Image.open(file.stream)
text = pytesseract.image_to_string(img, lang=lang)
if not text.strip():
text = '(пусто или текст не распознан)'
except Exception as e:
text = f'Ошибка: {e}'
return render_template('index.html', text=text, lang=lang)
if __name__ == '__main__':
app.run(host='0.0.0.0', port=8118, debug=False)

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requirements.txt Normal file
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flask
pillow
pytesseract

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templates/index.html Normal file
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Image → Text</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #1a1a2e; color: #eee; min-height: 100vh; padding: 2rem; }
.container { max-width: 800px; margin: 0 auto; }
h1 { text-align: center; margin-bottom: 2rem; color: #00d4ff; }
.upload-area {
border: 2px dashed #444;
border-radius: 12px;
padding: 2rem;
text-align: center;
margin-bottom: 1.5rem;
transition: border-color 0.3s;
}
.upload-area:hover { border-color: #00d4ff; }
input[type="file"] { display: none; }
.file-label {
background: #00d4ff;
color: #1a1a2e;
padding: 0.75rem 1.5rem;
border-radius: 8px;
cursor: pointer;
display: inline-block;
font-weight: bold;
}
.file-label:hover { background: #00b8e6; }
#fileName { margin-top: 1rem; color: #888; }
.controls { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
select, button {
padding: 0.75rem 1.5rem;
border-radius: 8px;
border: none;
font-size: 1rem;
}
select { background: #333; color: #fff; flex: 1; min-width: 150px; }
button { background: #e94560; color: #fff; cursor: pointer; font-weight: bold; }
button:hover { background: #d63a54; }
button:disabled { background: #555; cursor: not-allowed; }
.result {
background: #16213e;
border-radius: 12px;
padding: 1.5rem;
margin-top: 1.5rem;
}
.result h2 { color: #00d4ff; margin-bottom: 1rem; font-size: 1.1rem; }
pre {
white-space: pre-wrap;
word-wrap: break-word;
background: #0f0f23;
padding: 1rem;
border-radius: 8px;
max-height: 400px;
overflow-y: auto;
}
.copy-btn {
background: #333;
color: #00d4ff;
border: 1px solid #00d4ff;
margin-top: 1rem;
}
.copy-btn:hover { background: #444; }
</style>
</head>
<body>
<div class="container">
<h1>🖼️ Image to Text</h1>
<form method="post" enctype="multipart/form-data" id="uploadForm">
<div class="upload-area">
<label class="file-label" for="image">Выбрать изображение</label>
<input type="file" name="image" id="image" accept="image/*" required>
<p id="fileName">или перетащите файл сюда</p>
</div>
<div class="controls">
<select name="lang" id="langSelect">
<option value="eng" {% if lang == 'eng' %}selected{% endif %}>English</option>
<option value="rus" {% if lang == 'rus' %}selected{% endif %}>Русский</option>
<option value="eng+rus" {% if lang == 'eng+rus' %}selected{% endif %}>English + Русский</option>
</select>
<button type="submit" id="submitBtn">Распознать</button>
</div>
</form>
{% if text %}
<div class="result">
<h2>📝 Результат:</h2>
<pre id="resultText">{{ text }}</pre>
<button class="copy-btn" onclick="copyText()">📋 Копировать</button>
</div>
{% endif %}
</div>
<script>
const input = document.getElementById('image');
const fileName = document.getElementById('fileName');
const form = document.getElementById('uploadForm');
const submitBtn = document.getElementById('submitBtn');
input.addEventListener('change', () => {
fileName.textContent = input.files[0]?.name || 'выберите файл';
});
// Clipboard paste support
document.addEventListener('paste', e => {
const items = e.clipboardData?.items;
if (!items) return;
for (const item of items) {
if (item.type.startsWith('image/')) {
const file = item.getAsFile();
const dt = new DataTransfer();
dt.items.add(file);
input.files = dt.files;
fileName.textContent = file.name || 'clipboard-image.png';
break;
}
}
});
// Drag and drop
const uploadArea = document.querySelector('.upload-area');
uploadArea.addEventListener('dragover', e => { e.preventDefault(); uploadArea.style.borderColor = '#00d4ff'; });
uploadArea.addEventListener('dragleave', () => uploadArea.style.borderColor = '#444');
uploadArea.addEventListener('drop', e => {
e.preventDefault();
uploadArea.style.borderColor = '#444';
input.files = e.dataTransfer.files;
fileName.textContent = input.files[0]?.name || 'выберите файл';
});
// Submit animation
form.addEventListener('submit', () => {
submitBtn.textContent = '⏳ Обработка...';
submitBtn.disabled = true;
});
function copyText() {
navigator.clipboard.writeText(document.getElementById('resultText').textContent)
.then(() => { alert('Скопировано!'); });
}
</script>
</body>
</html>