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

app.py

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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)