fixed few errors

app.py

@@ -15,7 +15,6 @@ import numpy as np
 import joblib
 import base64
 from werkzeug.utils import secure_filename
-from flask_sqlalchemy import SQLAlchemy
 
 # HTML template with embedded JavaScript
 HTML_TEMPLATE = """
@@ -320,7 +319,6 @@ class EnhancedDocProcessor:
         return results
 
 app = Flask(__name__)
-db = SQLAlchemy(app)
 processor = EnhancedDocProcessor()
 
 @app.route('/')
@@ -336,21 +334,14 @@ def batch_process():
     user_id = request.form.get('user_id')
     
     file_paths = []
-    temp_dir = '/tmp/batch_process'
-    os.makedirs(temp_dir, exist_ok=True)
-
+    for file in files:
+        if file.filename.endswith('.pdf'):
+            temp_path = f"temp_{file.filename}"
+            file.save(temp_path)
+            file_paths.append(temp_path)
+    
     try:
-        for file in files:
-            if file.filename.endswith('.pdf'):
-                filename = secure_filename(file.filename)
-                temp_path = os.path.join(temp_dir, filename)
-                file.save(temp_path)
-                file_paths.append(temp_path)
-        
-        processor = EnhancedDocProcessor(db, app.config['UPLOAD_FOLDER'], app.config['TEMP_FOLDER'])
         results = processor.process_batch(file_paths, user_id)
-    except PermissionError:
-        return jsonify({'error': 'Permission denied. Please check your permissions.'}), 403
     except Exception as e:
         return jsonify({'error': str(e)}), 500
     finally:
@@ -360,8 +351,7 @@ def batch_process():
                 os.remove(path)
             except:
                 pass
-        shutil.rmtree(temp_dir)
-
+                
     return jsonify(results)
 
 if __name__ == '__main__':

requirements.txt

@@ -4,5 +4,4 @@ scikit-learn==1.0.2
 numpy==1.21.2
 joblib==1.1.0
 gunicorn==20.1.0
-werkzeug==2.0.1
-flask-sqlalchemy
+werkzeug==2.0.1