bug fix

app.py

@@ -3,22 +3,22 @@ import pandas as pd
 import yaml
 import io
 import random
+import os
 from collections import deque
 
 # HELPER FUNCTIONS TO PARSE .asset FILES
-def parse_asset_file(file):
-    """Parses a YAML-like .asset file, skipping the initial %YAML and %TAG lines."""
-    if file is None:
+def parse_asset_file(file_content):
+    """Parses a YAML-like .asset file from a string, skipping the initial %YAML and %TAG lines."""
+    if file_content is None:
         return None
     try:
-        content = file.decode('utf-8')
         # Find the first '---' which indicates the start of the YAML document
-        yaml_start = content.find('---')
+        yaml_start = file_content.find('---')
         if yaml_start == -1:
             raise ValueError("Not a valid Unity .asset file (missing '---')")
         
         # Clean up the content for standard YAML parsing
-        yaml_content = content[yaml_start:]
+        yaml_content = file_content[yaml_start:]
         # Remove the MonoBehaviour header which is not valid YAML
         lines = yaml_content.split('\n')
         cleaned_lines = [line for line in lines if not line.strip().startswith('MonoBehaviour:')]
@@ -34,7 +34,7 @@ def parse_asset_file(file):
         # A simplified approach to extract key-value pairs for now
         # This will need to be much more robust based on the actual file structure.
         config_data = {}
-        for line in content.split('\n'):
+        for line in file_content.split('\n'):
             if ':' in line:
                 parts = line.split(':', 1)
                 key = parts[0].strip()
@@ -127,7 +127,8 @@ def run_simulation_interface(ruleset_file, chain_files, iteration_count, initial
     df.to_csv(csv_buffer, index=False)
     csv_bytes = csv_buffer.getvalue().encode('utf-8')
 
-    return df, stats_report, gr.File.update(value=csv_bytes, visible=True, name=df_path), gr.File.update(value=stats_report.encode('utf-8'), visible=True, name=report_path)
+    # FIX: Use gr.update() to update component properties
+    return df, stats_report, gr.update(value=csv_bytes, visible=True, name=df_path), gr.update(value=stats_report.encode('utf-8'), visible=True, name=report_path)
 
 # --- COST CALCULATION LOGIC ---
 def run_cost_calculation_logic(chain_files, item_files):
@@ -176,11 +177,11 @@ def view_config_file(file):
     if file is None:
         return "Загрузите файл для просмотра.", ""
     
-    raw_content = file.decode('utf-8')
+    # The 'file' object from gr.File is a string path to a temporary file
+    with open(file, 'r', encoding='utf-8') as f:
+        raw_content = f.read()
     
-    # A simple display of the raw content.
-    # In a real scenario, we would parse this into editable components.
-    return raw_content, os.path.basename(file.name)
+    return raw_content, os.path.basename(file)
 
 # --- GRADIO UI ---
 with gr.Blocks(theme=gr.themes.Soft(), title="Инструмент Балансировки Merge-2") as demo:
@@ -203,8 +204,8 @@ with gr.Blocks(theme=gr.themes.Soft(), title="Инструмент Баланс
                     gr.Markdown("### Сводный отчет")
                     sim_stats_report = gr.Textbox(label="Статистика", lines=10)
                     with gr.Row():
-                         sim_download_csv = gr.File(label="Скачать CSV", visible=False)
-                         sim_download_report = gr.File(label="Скачать отчет", visible=False)
+                         sim_download_csv = gr.File(label="Скачать CSV", visible=False, interactive=False)
+                         sim_download_report = gr.File(label="Скачать отчет", visible=False, interactive=False)
 
         # --- COST CALCULATION TAB ---
         with gr.TabItem("Расчет стоимости цепочек"):
@@ -243,14 +244,22 @@ with gr.Blocks(theme=gr.themes.Soft(), title="Инструмент Баланс
         outputs=[cost_results_df]
     )
 
+    def get_file_path_and_content(file_obj):
+        if not file_obj:
+            return "", ""
+        with open(file_obj.name, 'r', encoding='utf-8') as f:
+            content = f.read()
+        return file_obj.name, content
+
     config_upload.upload(
-        fn=lambda x: x.name if x else "",
+        fn=lambda file_obj: os.path.basename(file_obj.name) if file_obj else "",
         inputs=config_upload,
         outputs=config_file_name
     )
     
+    # FIX: The input 'file' is a temporary file object. We need to open and read it.
     config_upload.upload(
-        fn=lambda file: file.decode('utf-8') if file else "",
+        fn=lambda file_obj: open(file_obj.name, 'r', encoding='utf-8').read() if file_obj else "",
         inputs=config_upload,
         outputs=config_content_viewer
     )