scp

import os from paramiko import SSHClient, AutoAddPolicy from scp import SCPClient # Configuration from environment variables for security HOSTNAME = os.environ.get('SCP_HOSTNAME', 'your_remote_host') USERNAME = os.environ.get('SCP_USERNAME', 'your_username') PASSWORD = os.environ.get('SCP_PASSWORD', '') # Use SSH keys in production local_file = 'local_test_file.txt' remote_path = '/tmp/remote_test_file.txt' # Create a dummy local file for the example with open(local_file, 'w') as f: f.write('Hello from scp.py!') ssh = SSHClient() # Set policy to auto-add host keys for demo. In production, use ssh.load_system_host_keys() or HostKeys().add(). ssh.set_missing_host_key_policy(AutoAddPolicy()) try: # Connect to the remote server ssh.connect(hostname=HOSTNAME, username=USERNAME, password=PASSWORD, port=22) print(f"Connected to {HOSTNAME}") # SCPCLient takes a paramiko transport as an argument with SCPClient(ssh.get_transport()) as scp: # Upload a file scp.put(local_file, remote_path) print(f"Uploaded '{local_file}' to '{remote_path}'") # Download the file back to verify downloaded_file = 'downloaded_test_file.txt' scp.get(remote_path, downloaded_file) print(f"Downloaded '{remote_path}' to '{downloaded_file}'") except Exception as e: print(f"An error occurred: {e}") finally: ssh.close() print("SSH connection closed.") # Clean up dummy files import os if os.path.exists(local_file): os.remove(local_file) if os.path.exists(downloaded_file): os.remove(downloaded_file)