Update app.py

app.py

@@ -99,7 +99,7 @@ class MultiConverter:
 def convert_file(file):
     """Process uploaded file and convert it to text"""
     if file is None:
-        return "No file uploaded. Please select a file first.", None
+        return "No file uploaded. Please select a file first.", ""
     
     try:
         logging.info(f"Starting conversion for file: {file.name if hasattr(file, 'name') else 'unknown'}")
@@ -136,9 +136,9 @@ def convert_file(file):
                     with open(str(file), 'rb') as src, open(temp_file_path, 'wb') as dst:
                         dst.write(src.read())
                 except:
-                    return f"Could not read file. Type: {type(file)}", None
+                    return f"Could not read file. Type: {type(file)}", ""
         except Exception as e:
-            return f"Error reading file: {str(e)}", None
+            return f"Error reading file: {str(e)}", ""
         
         # Określ rozszerzenie pliku
         _, file_ext = os.path.splitext(file_name)
@@ -162,18 +162,23 @@ def convert_file(file):
             output_filename = os.path.splitext(file_name)[0] + ".txt"
             
             # Przygotuj plik do pobrania
-            output_file_path = os.path.join(temp_dir, output_filename)
-            with open(output_file_path, 'w', encoding='utf-8') as f:
-                f.write(result)
+            content_bytes = result.encode('utf-8')
+            b64 = base64.b64encode(content_bytes).decode()
             
-            # Przygotuj plik do zwrócenia przez Gradio
-            with open(output_file_path, 'rb') as f:
-                output_content = f.read()
+            # Przygotuj przycisk do pobrania
+            download_link = f"""
+            <a href="data:text/plain;base64,{b64}" download="{output_filename}" 
+              style="display: inline-block; padding: 0.6em 1.2em; margin: 0.5em 0; 
+              background-color: #4CAF50; color: white; border: none; border-radius: 4px; 
+              cursor: pointer; text-decoration: none; font-weight: bold;">
+              ⬇️ Download {output_filename}
+            </a>
+            """
             
-            return result, (output_filename, output_content)
+            return result, download_link
         except Exception as e:
             logging.exception(f"Error converting file: {str(e)}")
-            return f"Error converting file: {str(e)}", None
+            return f"Error converting file: {str(e)}", ""
         finally:
             # Usuń pliki tymczasowe
             try:
@@ -187,7 +192,7 @@ def convert_file(file):
     
     except Exception as e:
         logging.exception(f"Unexpected error: {str(e)}")
-        return f"Unexpected error: {str(e)}", None
+        return f"Unexpected error: {str(e)}", ""
 
 
 # Utwórz interfejs Gradio
@@ -205,7 +210,7 @@ with gr.Blocks(title="Multi-Format to TXT Converter") as app:
         text_output = gr.Textbox(label="Converted Text", lines=15)
     
     with gr.Row():
-        file_download = gr.File(label="Download Converted File")
+        download_html = gr.HTML(label="Download")
     
     # Info about supported formats
     gr.Markdown("""
@@ -219,14 +224,14 @@ with gr.Blocks(title="Multi-Format to TXT Converter") as app:
     1. Upload a file using the file upload button
     2. Click "Convert to TXT"
     3. View the converted text
-    4. Download the converted text file
+    4. Click the download button to save the converted text file
     """)
     
     # Obsługa konwersji
     convert_button.click(
         fn=convert_file,
         inputs=[file_input],
-        outputs=[text_output, file_download]
+        outputs=[text_output, download_html]
     )
 
 # Uruchom aplikację