Fix MAX_CONTENT_LENGTH configuration for large file uploads

- Explicitly set MAX_CONTENT_LENGTH in Flask app config during initialization
- Add logging to verify MAX_CONTENT_LENGTH is set correctly
- Fixes 'File too large' error for files over 500MB (now supports 5GB)

config.py

@@ -239,19 +239,19 @@ class Config:
         """Initialize application with configuration and set up persistent directories"""
         import logging
         logger = logging.getLogger(__name__)
-        
+
         try:
             if PERSISTENT_DIRS_AVAILABLE:
                 # Use the persistent directory system
                 directories = setup_persistent_directories()
                 logger.info(f"Set up persistent directories: {directories}")
-                
+
                 # Update app config with actual directory paths
                 app.config['UPLOAD_FOLDER'] = str(directories['uploads'])
                 app.config['FIXTURES_UPLOAD_FOLDER'] = str(directories['fixtures'])
                 app.config['ZIP_UPLOAD_FOLDER'] = str(directories['zips'])
                 app.config['TEMP_UPLOAD_FOLDER'] = str(directories['temp'])
-                
+
                 # Log PyInstaller detection
                 if is_pyinstaller():
                     logger.info("Running from PyInstaller executable - using persistent directories")
@@ -264,12 +264,16 @@ class Config:
                 os.makedirs(Config.ZIP_UPLOAD_FOLDER, exist_ok=True)
                 os.makedirs(Config.TEMP_UPLOAD_FOLDER, exist_ok=True)
                 logger.warning("Persistent directory utilities not available - using fallback directory creation")
-            
+
+            # Set MAX_CONTENT_LENGTH explicitly in app config
+            app.config['MAX_CONTENT_LENGTH'] = Config.MAX_CONTENT_LENGTH
+            logger.info(f"Set MAX_CONTENT_LENGTH to {Config.MAX_CONTENT_LENGTH} bytes ({Config.MAX_CONTENT_LENGTH // (1024*1024)} MB)")
+
             # Create other necessary directories
             os.makedirs(os.path.dirname(Config.DAEMON_PID_FILE), exist_ok=True)
             os.makedirs(os.path.dirname(Config.DAEMON_LOG_FILE), exist_ok=True)
             os.makedirs(Config.DAEMON_WORKING_DIR, exist_ok=True)
-            
+
         except Exception as e:
             logger.error(f"Failed to initialize directories: {e}")
             # Fallback to basic directory creation
@@ -298,17 +302,17 @@ class ProductionConfig(Config):
     @classmethod
     def init_app(cls, app):
         Config.init_app(app)
-        
+
         # Production-specific initialization
         import logging
         from logging.handlers import RotatingFileHandler
-        
+
         if not app.debug:
             # Ensure log directory exists
             log_file = app.config.get('DAEMON_LOG_FILE', cls.DAEMON_LOG_FILE)
             log_dir = os.path.dirname(log_file)
             os.makedirs(log_dir, exist_ok=True)
-            
+
             file_handler = RotatingFileHandler(
                 log_file,
                 maxBytes=10240000,
@@ -317,7 +321,7 @@ class ProductionConfig(Config):
             file_handler.setFormatter(logging.Formatter(cls.LOG_FORMAT))
             file_handler.setLevel(logging.INFO)
             app.logger.addHandler(file_handler)
-            
+
             # Log production startup info
             logger = logging.getLogger(__name__)
             logger.info("Production configuration initialized")
@@ -325,6 +329,7 @@ class ProductionConfig(Config):
                 logger.info(f"Using persistent directories - PyInstaller: {is_pyinstaller()}")
                 logger.info(f"Upload folder: {app.config.get('UPLOAD_FOLDER', cls.UPLOAD_FOLDER)}")
                 logger.info(f"Log file: {log_file}")
+                logger.info(f"MAX_CONTENT_LENGTH: {app.config.get('MAX_CONTENT_LENGTH', 'not set')}")
 
 class TestingConfig(Config):
     """Testing configuration"""