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function main_v41

Maturity: 42

Entry point function that parses command-line arguments and orchestrates the FileCloud email processing workflow to find, download, and convert .msg files.

File:
/tf/active/vicechatdev/msg_to_eml.py
Lines:
1518 - 1535
Complexity:
moderate

Purpose

This function serves as the main script entry point for a FileCloud email processor application. It sets up argument parsing for server connection details, authenticates with FileCloud, and initiates the processing of all .msg files found in a specified path. It handles connection lifecycle including cleanup on exit.

Source Code

def main():
    """Main function to run as script"""
    parser = argparse.ArgumentParser(description="FileCloud Email Processor - Find, download, and convert .msg files")
    parser.add_argument("--server", default="https://filecloud.vicebio.com", help="FileCloud server URL")
    parser.add_argument("--username", required=True, help="FileCloud username")
    parser.add_argument("--password", required=True, help="FileCloud password")
    parser.add_argument("--path", default="/", help="Start path in FileCloud to search for .msg files")
    
    args = parser.parse_args()
    
    processor = FileCloudEmailProcessor(args.server, args.username, args.password)
    try:
        if processor.connect():
            processor.process_all_msg_files(args.path)
        else:
            sys.exit(1)
    finally:
        processor.cleanup()

Return Value

No explicit return value. The function exits with sys.exit(1) if connection fails, otherwise completes normally after processing.

Dependencies

  • argparse
  • sys
  • extract_msg
  • os
  • mimetypes
  • logging
  • email
  • traceback
  • tempfile
  • base64
  • shutil
  • subprocess
  • pathlib
  • datetime
  • FC_api
  • html
  • re
  • reportlab
  • time
  • PIL
  • fitz
  • PyPDF2

Required Imports

import argparse
import sys
from FC_api import FileCloudAPI

Usage Example

# Run from command line:
# python script.py --username myuser --password mypass --path /emails

# Or call directly in code:
if __name__ == '__main__':
    main()

# Command-line arguments:
# --server: FileCloud server URL (optional, defaults to https://filecloud.vicebio.com)
# --username: FileCloud username (required)
# --password: FileCloud password (required)
# --path: Start path to search for .msg files (optional, defaults to /)

Best Practices

  • Always provide required --username and --password arguments when running as script
  • The function ensures cleanup is called even if processing fails by using try-finally block
  • Exits with status code 1 if connection to FileCloud fails
  • Credentials are passed via command-line arguments - consider using environment variables or secure credential storage for production use
  • The FileCloudEmailProcessor class must be defined in the same module or imported before calling main()
  • Ensure FC_api module and FileCloudAPI class are available in the Python path

Tags

cli command-line entry-point filecloud email-processing msg-files file-conversion authentication script-runner argument-parsing

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