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Main entry point function that orchestrates the contract validity analysis workflow by loading configuration, setting up logging, initializing the analyzer, running analysis, and reporting results.

Purpose

This function serves as the primary execution entry point for a contract validity analysis application. It coordinates the entire analysis pipeline: loads application configuration, initializes logging infrastructure, creates and runs a ContractAnalyzer instance to process contracts, retrieves and logs summary statistics, and handles fatal errors with appropriate exit codes. It's designed to be called when the application starts, typically from a if __name__ == '__main__' block.

Source Code

def main():
    """Main entry point for the analyzer."""
    try:
        # Load configuration
        config_manager = Config()
        config = config_manager.config
        
        # Set up logging
        setup_logging(config.get_section('logging'))
        
        logger.info("Starting Contract Validity Analyzer")
        
        # Initialize and run analyzer
        analyzer = ContractAnalyzer(config)
        results = analyzer.analyze_contracts()
        
        # Print summary
        stats = analyzer.get_summary_stats()
        if stats:
            logger.info("Analysis Summary:")
            for key, value in stats.items():
                logger.info(f"  {key}: {value}")
        
        logger.info("Analysis complete!")
        
    except Exception as e:
        logger.error(f"Fatal error: {e}")
        sys.exit(1)

Return Value

This function does not return any value (implicitly returns None). It either completes successfully with logged output or exits the program with sys.exit(1) on fatal errors.

Dependencies

• logging
• sys
• csv
• json
• pandas
• typing
• datetime
• time
• concurrent.futures
• pathlib

Required Imports

import logging
import sys
from config.config import Config
from utils.logging_utils import setup_logging
from utils.logging_utils import get_logger

Conditional/Optional Imports

These imports are only needed under specific conditions:

from utils.filecloud_client import FileCloudClient

from utils.document_processor import DocumentProcessor

from utils.llm_client import LLMClient

Usage Example

if __name__ == '__main__':
    # Ensure config file exists at expected location
    # e.g., config/config.yaml with sections for 'logging' and analyzer settings
    # Set required environment variables:
    # export OPENAI_API_KEY='your-api-key'
    
    # Import the ContractAnalyzer class
    from analyzer.contract_analyzer import ContractAnalyzer
    
    # Call main function
    main()
    
    # The function will:
    # 1. Load configuration from config file
    # 2. Set up logging based on config
    # 3. Initialize ContractAnalyzer
    # 4. Run contract analysis
    # 5. Log summary statistics
    # 6. Exit with code 0 on success or 1 on error

Best Practices

• Ensure the Config class is properly configured before calling this function
• Set up all required environment variables (API keys, credentials) before execution
• Verify that the logging configuration section exists in the config file to avoid setup_logging errors
• The function uses sys.exit(1) on errors, so it should only be called from the main execution context, not from library code
• Monitor the logger output for analysis progress and any error messages
• Ensure ContractAnalyzer class is imported and available in the module scope
• The function expects logger to be available globally after setup_logging is called
• Consider wrapping the call to main() in a if __name__ == '__main__' block for proper module execution
• Fatal errors are logged before exit, so ensure logging is configured to capture these messages
• The function does not accept command-line arguments; all configuration must be in the config file

Tags

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