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function main_v29

Maturity: 46

Main entry point function that orchestrates a file synchronization process from a FileCloud source to a local directory, with progress reporting and error handling.

File:
/tf/active/vicechatdev/UQchat/download_uq_files.py
Lines:
170 - 195
Complexity:
moderate

Purpose

This function serves as the main execution entry point for the UQchat FileCloud Sync application. It handles the complete workflow of: (1) displaying sync configuration information, (2) creating necessary local directories, (3) authenticating with FileCloud service, (4) initiating the directory synchronization process from a remote FileCloud path to a local filesystem location, and (5) reporting completion status. The function is designed to sync files from a specific FileCloud shared directory structure to a local base directory.

Source Code

def main():
    """Main execution"""
    print("=" * 80)
    print("UQchat FileCloud Sync")
    print("=" * 80)
    print(f"Source: {SOURCE_PATH}")
    print(f"Destination: {LOCAL_BASE_DIR}")
    print("=" * 80)
    
    # Create base directory if it doesn't exist
    LOCAL_BASE_DIR.mkdir(parents=True, exist_ok=True)
    
    # Login to FileCloud
    session = login_filecloud()
    if not session:
        print("Failed to login. Exiting.")
        return
    
    # Start syncing from the source path
    # Map FileCloud path to local directory structure
    # Remove the prefix '/SHARED/vicebio_shares/03_Non_Clinical/' from paths
    sync_directory(session, SOURCE_PATH, LOCAL_BASE_DIR / '01_Research_UQ')
    
    print("\n" + "=" * 80)
    print("✓ Sync complete!")
    print("=" * 80)

Return Value

Returns None implicitly. The function performs side effects (file synchronization, console output) but does not return any value. Early return occurs if FileCloud login fails.

Dependencies

  • requests
  • xmltodict
  • pathlib
  • datetime
  • zoneinfo

Required Imports

import os
import requests
import xmltodict
from pathlib import Path
from datetime import datetime
from zoneinfo import ZoneInfo

Usage Example

# Define required global variables and functions first
from pathlib import Path
import requests
import xmltodict

SOURCE_PATH = '/SHARED/vicebio_shares/03_Non_Clinical/'
LOCAL_BASE_DIR = Path('./local_sync')

def login_filecloud():
    # Implementation to authenticate with FileCloud
    # Returns session object or None on failure
    session = requests.Session()
    # ... authentication logic ...
    return session

def sync_directory(session, source, destination):
    # Implementation to sync files from FileCloud to local
    pass

# Execute the main function
if __name__ == '__main__':
    main()

Best Practices

  • Ensure SOURCE_PATH and LOCAL_BASE_DIR are properly defined as module-level constants before calling this function
  • The login_filecloud() function should handle credential management securely (avoid hardcoding credentials)
  • Ensure sufficient disk space is available at LOCAL_BASE_DIR before running synchronization
  • The function creates directories with parents=True and exist_ok=True, which is safe for repeated executions
  • Consider wrapping the main() call in a try-except block to handle unexpected errors gracefully
  • The function performs early exit if login fails, which is good practice for dependency validation
  • Monitor console output for sync progress and completion status
  • The hardcoded path mapping ('01_Research_UQ') suggests this is specific to a particular organizational structure

Tags

file-sync filecloud main-entry-point cloud-storage directory-sync file-management authentication console-output orchestration workflow

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