fix: add werkzeug dependency

app.py

@@ -1,6 +1,54 @@
+# from flask import Flask, render_template, request, send_from_directory
+# from paddleocr import PaddleOCR
+# import os
+
+# app = Flask(__name__)
+
+# # Upload folder
+# UPLOAD_FOLDER = 'uploads'
+# app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
+# if not os.path.exists(UPLOAD_FOLDER):
+#     os.makedirs(UPLOAD_FOLDER)
+
+# # Initialize OCR
+# ocr = PaddleOCR(use_angle_cls=True, lang='en')
+
+# @app.route('/', methods=['GET', 'POST'])
+# def upload_file():
+#     text = None
+#     filename = None
+#     if request.method == 'POST':
+#         file = request.files.get('file')
+#         if not file or file.filename == '':
+#             return render_template('index.html', error="No file selected")
+
+#         filepath = os.path.join(app.config['UPLOAD_FOLDER'], file.filename)
+#         file.save(filepath)
+
+#         # Run OCR
+#         result = ocr.ocr(filepath, cls=True)
+#         extracted_text = ""
+#         for line in result:
+#             for word_info in line:
+#                 extracted_text += word_info[1][0] + " "
+
+#         text = extracted_text
+#         filename = file.filename
+
+#     return render_template('index.html', text=text, filename=filename)
+
+# @app.route('/uploads/<filename>')
+# def uploaded_file(filename):
+#     return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
+
+# if __name__ == '__main__':
+#     port = int(os.environ.get('PORT', 5000))  # <-- IMPORTANT
+#     app.run(host='0.0.0.0', port=port)
+
 from flask import Flask, render_template, request, send_from_directory
 from paddleocr import PaddleOCR
 import os
+import time
 
 app = Flask(__name__)
 
@@ -10,38 +58,68 @@ app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
 if not os.path.exists(UPLOAD_FOLDER):
     os.makedirs(UPLOAD_FOLDER)
 
-# Initialize OCR
-ocr = PaddleOCR(use_angle_cls=True, lang='en')
+# Initialize OCR with error handling and optimized settings
+try:
+    ocr = PaddleOCR(
+        use_angle_cls=True,
+        lang='en',
+        use_gpu=False,  # Disable GPU on Render
+        rec_model_dir='paddle_models/rec',  # Cache models
+        det_model_dir='paddle_models/det',
+        cls_model_dir='paddle_models/cls',
+        enable_mkldnn=True,  # CPU optimization
+        thread_num=2  # Limit threads to prevent OOM
+    )
+except Exception as e:
+    print(f"OCR initialization failed: {str(e)}")
+    ocr = None
 
 @app.route('/', methods=['GET', 'POST'])
 def upload_file():
     text = None
     filename = None
+    error = None
+    
     if request.method == 'POST':
         file = request.files.get('file')
         if not file or file.filename == '':
             return render_template('index.html', error="No file selected")
 
-        filepath = os.path.join(app.config['UPLOAD_FOLDER'], file.filename)
-        file.save(filepath)
+        try:
+            # Save file with timestamp to prevent overwrites
+            timestamp = str(int(time.time()))
+            safe_filename = f"{timestamp}_{file.filename}"
+            filepath = os.path.join(app.config['UPLOAD_FOLDER'], safe_filename)
+            file.save(filepath)
 
-        # Run OCR
-        result = ocr.ocr(filepath, cls=True)
-        extracted_text = ""
-        for line in result:
-            for word_info in line:
-                extracted_text += word_info[1][0] + " "
+            # Check OCR initialization
+            if not ocr:
+                raise Exception("OCR engine not available")
 
-        text = extracted_text
-        filename = file.filename
+            # Run OCR with timeout safeguard
+            start_time = time.time()
+            result = ocr.ocr(filepath, cls=True)
+            
+            # Process results
+            extracted_text = ""
+            if result and len(result) > 0:
+                for line in result[0]:  # Note: result[0] contains the actual OCR data
+                    if line and len(line) >= 2:  # Check if line has text information
+                        extracted_text += line[1][0] + " "
 
-    return render_template('index.html', text=text, filename=filename)
+            text = extracted_text.strip()
+            filename = safe_filename
+
+        except Exception as e:
+            error = f"Error processing file: {str(e)}"
+            print(error)
+
+    return render_template('index.html', text=text, filename=filename, error=error)
 
 @app.route('/uploads/<filename>')
 def uploaded_file(filename):
     return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
 
 if __name__ == '__main__':
-    port = int(os.environ.get('PORT', 5000))  # <-- IMPORTANT
-    app.run(host='0.0.0.0', port=port)
-
+    port = int(os.environ.get('PORT', 5000))
+    app.run(host='0.0.0.0', port=port)