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"""
Configuration service for TOML-based lsfg configuration management.
"""
from pathlib import Path
from typing import Dict, Any
from .base_service import BaseService
from .config_schema import ConfigurationManager, ConfigurationData, CONFIG_SCHEMA
from .types import ConfigurationResponse
class ConfigurationService(BaseService):
"""Service for managing TOML-based lsfg configuration"""
def get_config(self) -> ConfigurationResponse:
"""Read current TOML configuration
Returns:
ConfigurationResponse with current configuration or error
"""
try:
if not self.config_file_path.exists():
# Return default configuration with DLL detection if file doesn't exist
from .dll_detection import DllDetectionService
dll_service = DllDetectionService(self.log)
config = ConfigurationManager.get_defaults_with_dll_detection(dll_service)
return {
"success": True,
"config": config,
"message": "Using default configuration (config file not found)",
"error": None
}
content = self.config_file_path.read_text(encoding='utf-8')
config = ConfigurationManager.parse_toml_content(content)
return {
"success": True,
"config": config,
"message": None,
"error": None
}
except (OSError, IOError) as e:
error_msg = f"Error reading lsfg config: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
except Exception as e:
error_msg = f"Error parsing config file: {str(e)}"
self.log.error(error_msg)
# Return defaults with DLL detection if parsing fails
from .dll_detection import DllDetectionService
dll_service = DllDetectionService(self.log)
config = ConfigurationManager.get_defaults_with_dll_detection(dll_service)
return {
"success": True,
"config": config,
"message": f"Using default configuration due to parse error: {str(e)}",
"error": None
}
def update_config(self, enable: bool, dll: str, multiplier: int, flow_scale: float,
performance_mode: bool, hdr_mode: bool) -> ConfigurationResponse:
"""Update TOML configuration
Args:
enable: Whether to enable LSFG
dll: Path to Lossless.dll
multiplier: LSFG multiplier value
flow_scale: LSFG flow scale value
performance_mode: Whether to enable performance mode
hdr_mode: Whether to enable HDR mode
Returns:
ConfigurationResponse with success status
"""
try:
# Create configuration from individual arguments
config = ConfigurationManager.create_config_from_args(
enable, dll, multiplier, flow_scale, performance_mode, hdr_mode
)
# Generate TOML content using centralized manager
toml_content = ConfigurationManager.generate_toml_content(config)
# Ensure config directory exists
self.config_dir.mkdir(parents=True, exist_ok=True)
# Write the updated config directly to preserve inode for file watchers
self._write_file(self.config_file_path, toml_content, 0o644)
self.log.info(f"Updated lsfg TOML configuration: enable={enable}, "
f"dll='{dll}', multiplier={multiplier}, flow_scale={flow_scale}, "
f"performance_mode={performance_mode}, hdr_mode={hdr_mode}")
return {
"success": True,
"config": config,
"message": "lsfg configuration updated successfully",
"error": None
}
except (OSError, IOError) as e:
error_msg = f"Error updating lsfg config: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
except ValueError as e:
error_msg = f"Invalid configuration arguments: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
def update_dll_path(self, dll_path: str) -> ConfigurationResponse:
"""Update just the DLL path in the configuration
Args:
dll_path: Path to the Lossless.dll file
Returns:
ConfigurationResponse with success status
"""
try:
# Get current config
current_response = self.get_config()
if not current_response["success"] or current_response["config"] is None:
# If we can't read current config, use defaults with DLL detection
from .dll_detection import DllDetectionService
dll_service = DllDetectionService(self.log)
config = ConfigurationManager.get_defaults_with_dll_detection(dll_service)
else:
config = current_response["config"]
# Update just the DLL path
config["dll"] = dll_path
# Generate TOML content and write it
toml_content = ConfigurationManager.generate_toml_content(config)
# Ensure config directory exists
self.config_dir.mkdir(parents=True, exist_ok=True)
# Write the updated config directly to preserve inode for file watchers
self._write_file(self.config_file_path, toml_content, 0o644)
self.log.info(f"Updated DLL path in lsfg configuration: '{dll_path}'")
return {
"success": True,
"config": config,
"message": f"DLL path updated to: {dll_path}",
"error": None
}
except Exception as e:
error_msg = f"Error updating DLL path: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
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