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Command-line interface entry point for monitoring SharePoint to FileCloud synchronization logs, providing status analysis, log tailing, and real-time watching capabilities.

Purpose

This function serves as the main entry point for a CLI tool that monitors and analyzes SharePoint to FileCloud sync operations. It parses command-line arguments to provide three main functionalities: displaying sync status with statistics over a specified time period, showing recent log entries (tail), and watching the log file in real-time. The function delegates to helper functions (analyze_logs, print_status, tail_logs, watch_logs) based on the selected command.

Source Code

def main():
    """Main entry point."""
    parser = argparse.ArgumentParser(description="Monitor SharePoint to FileCloud Sync")
    
    parser.add_argument(
        '--log-file',
        default='spfc_sync.log',
        help='Path to log file (default: spfc_sync.log)'
    )
    
    parser.add_argument(
        '--hours',
        type=int,
        default=24,
        help='Hours of history to analyze (default: 24)'
    )
    
    subparsers = parser.add_subparsers(dest='command', help='Commands')
    
    # Status command
    status_parser = subparsers.add_parser('status', help='Show sync status')
    
    # Tail command
    tail_parser = subparsers.add_parser('tail', help='Show recent log entries')
    tail_parser.add_argument(
        '--lines',
        type=int,
        default=50,
        help='Number of lines to show (default: 50)'
    )
    
    # Watch command
    watch_parser = subparsers.add_parser('watch', help='Watch log file in real-time')
    
    args = parser.parse_args()
    
    if not args.command:
        args.command = 'status'  # Default command
    
    if args.command == 'status':
        stats = analyze_logs(args.log_file, args.hours)
        print_status(stats)
    elif args.command == 'tail':
        tail_logs(args.log_file, args.lines)
    elif args.command == 'watch':
        watch_logs(args.log_file)

Return Value

This function does not return any value (implicitly returns None). It performs side effects by printing output to stdout based on the selected command and may exit the program if argument parsing fails.

Dependencies

• argparse
• os
• sys
• time
• datetime
• re

Required Imports

import os
import sys
import argparse
import time
from datetime import datetime
from datetime import timedelta
import re

Usage Example

# Run from command line:
# Show status for last 24 hours (default)
python script.py status

# Show status for last 48 hours with custom log file
python script.py --log-file /path/to/sync.log --hours 48 status

# Show last 100 log lines
python script.py tail --lines 100

# Watch log file in real-time
python script.py watch

# If calling from Python code:
if __name__ == '__main__':
    main()

Best Practices

• This function should be called as the main entry point, typically within an 'if __name__ == "__main__":' block
• Ensure all helper functions (analyze_logs, print_status, tail_logs, watch_logs) are defined before calling main()
• The log file path should be accessible and readable by the process
• Default command is 'status' if no command is specified
• Use appropriate error handling in helper functions as main() does not catch exceptions
• Consider adding signal handlers for graceful shutdown when using the 'watch' command
• The function relies on argparse's built-in help system; users can run with --help for usage information

Tags

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