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Paramiko

Paramiko is a pure-Python (3.6+) implementation of the SSHv2 protocol 
sudo pip3 install paramiko

import paramiko

local_file      = 'path/to/file'
remote_host     = 'foo.bar.baz'
remote_path     = 'remote/path/to/file'
remote_user     = '…'
remote_password = '…'

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

try:
    ssh.connect(remote_host, username=remote_user, password=remote_password)
    sftp = ssh.open_sftp()
    sftp.put(local_file, remote_path)
    sftp.close()
    print(f'File {local_file} uploaded successfully.')

except Exception as e:
    print(f'Error uploading {local_file}. Reason: {str(e)}')

finally:
    ssh.close()

See also

SSH
Fabric is the high-level SSH library recommended for common client use-cases such as running remote shell commands or transferring files.
The Python standard library netrc.

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